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Meena A, Farinelli L, D'Ambrosi R, Runer A, Attri M, Rudraraju RT, Tapasvi S, Hoser C, Fink C. Both Hamstring and Quadriceps Tendon Autografts Offer Similar Functional Outcomes After Arthroscopic Anterior Cruciate Ligament Reconstruction in Patients Aged 50 Years or Older. Arthroscopy 2025; 41:1512-1520. [PMID: 38992514 DOI: 10.1016/j.arthro.2024.06.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 06/17/2024] [Accepted: 06/27/2024] [Indexed: 07/13/2024]
Abstract
PURPOSE To compare the outcomes of hamstring tendon (HT) and quadriceps tendon (QT) autografts for anterior cruciate ligament (ACL) reconstruction in patients aged 50 years or older in terms of patient-reported functional outcomes, graft failure rates, complications, return to sports activity, and sports preference. METHODS Between 2010 and 2022, prospectively collected data were obtained from an institutional database. Patients aged 50 years or older who underwent primary arthroscopic ACL reconstruction with either HT or QT autograft and had a minimum 2-year follow-up were included. Patients with concomitant meniscal, cartilage, and medial collateral ligament injuries were also included. Patients undergoing revision ACL reconstruction, those undergoing primary ACL reconstruction with a graft other than HT or QT autograft, and those with contralateral knee injuries or ipsilateral osteoarthritis (Ahlbäck stage ≥2) were excluded. Patients were evaluated in terms of the Lysholm knee score, Tegner activity level, and visual analog scale (VAS) score for pain before injury and at 2-year follow-up, as well as graft failure, QT rupture, and return to sport. The Mann-Whitney test was used to analyze unpaired samples, whereas the Friedman test was used to analyze variables over time. The χ2 statistic test was used to determine differences in categorical data between groups. RESULTS The number of patients in the QT and HT groups was 85 and 143, respectively. In the QT and HT groups, the mean age was 54.4 years (range, 50-65 years) and 56.4 years (range, 50-65 years), respectively, and 49% and 51% of patients were men, respectively. The 2 groups did not differ significantly in terms of age, sex, time from injury to surgery, and concomitant injuries. No significant differences in preinjury patient-reported outcome measures, consisting of the Lysholm score, Tegner activity level, and VAS pain score, were found between the 2 groups (P > .05). At the 2-year follow-up, the Lysholm knee score, Tegner activity level, and VAS pain score improved to preinjury levels and no significant differences in preinjury and 2-year follow-up functional scores were noted between the 2 groups (P > .05). Furthermore, at the 2-year follow-up, the Lysholm score and VAS pain score did not show significant differences (P = .390 and P = .131, respectively) between the QT and HT groups. Similarly, no differences in Tegner activity level were observed between the HT and QT groups at the 2-year follow-up. No significant differences in terms of the minimal clinically important difference were detected between the 2 groups for the Lysholm knee score (P = .410) and Tegner activity level (P = .420). The 2 groups did not differ in terms of patients' percentage of sports participation at baseline and at the 2-year follow-up (P > .05). A significant decrease (P = .01) in participation in skiing/snowboarding was reported in the HT group at the 2-year follow-up compared with baseline (116 patients [81%] vs 98 patients [69%]). No case of graft failure or QT rupture was reported in either group. CONCLUSIONS Arthroscopic ACL reconstruction using HT or QT autografts in athletically active patients aged 50 years or older provides satisfactory patient-reported functional outcomes and allows recovery of the preinjury level of activity. LEVEL OF EVIDENCE Level III, retrospective cohort study.
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Affiliation(s)
- Amit Meena
- Gelenkpunkt-Sports and Joint Surgery, FIFA Medical Center of Excellence, Innsbruck, Austria; Research Unit for Orthopedic Sports Medicine and Injury Prevention (OSMI), Private University for Health Sciences, Medical Informatics and Technology, Innsbruck, Austria; Department of Orthopedics, Shalby Hospital, Jaipur, India
| | - Luca Farinelli
- Clinical Orthopedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Riccardo D'Ambrosi
- IRCCS Istituto Ortopedico Galeazzi, Milan, Italy; Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy
| | - Armin Runer
- Orthopaedic Sports Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Manish Attri
- Central Institute of Orthopedics, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | | | | | - Christian Hoser
- Gelenkpunkt-Sports and Joint Surgery, FIFA Medical Center of Excellence, Innsbruck, Austria; Research Unit for Orthopedic Sports Medicine and Injury Prevention (OSMI), Private University for Health Sciences, Medical Informatics and Technology, Innsbruck, Austria
| | - Christian Fink
- Gelenkpunkt-Sports and Joint Surgery, FIFA Medical Center of Excellence, Innsbruck, Austria; Research Unit for Orthopedic Sports Medicine and Injury Prevention (OSMI), Private University for Health Sciences, Medical Informatics and Technology, Innsbruck, Austria.
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Meena A, Attri M, Farinelli L, Campos V, Rajpal K, D'Ambrosi R, Malik S, de Sa D, Fink C, Tapasvi S. Anterolateral corner of knee: Current concepts. J Exp Orthop 2025; 12:e70172. [PMID: 39931146 PMCID: PMC11808268 DOI: 10.1002/jeo2.70172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2024] [Revised: 01/15/2025] [Accepted: 01/20/2025] [Indexed: 02/13/2025] Open
Abstract
The anatomy of the antero-lateral corner (ALC) has been the topic of recent interest, as evidenced by the increasing number of publications. Knowledge needs to be improved amongst clinicians regarding the anatomy and biomechanical function of this vital structure and its implications on the rotational stability of the knee. There has yet to be a consensus on the role of surgical procedures and their indications for addressing the instability associated with the injury to these structures. Through this article, the authors have tried to outline the existing literature regarding Anterolateral knee instability, the associated structures, and the management of its injuries, emphasising the role of the anterolateral capsule and reconstructive procedures in combined ligamentous knee injuries.
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Affiliation(s)
- Amit Meena
- Department of OrthopedicsShalby HospitalJaipurIndia
| | - Manish Attri
- Department of OrthopaedicsSantosh Medical College and HospitalGhaziabadIndia
| | - Luca Farinelli
- Department of Clinical and Molecular Sciences, Clinical OrthopedicsUniversità Politecnica delle MarcheAnconaItaly
- IRCCS INRCAAnconaItaly
| | - Vicente Campos
- Department of OrthopedicsHospital Curry CabralLisboaPortugal
| | | | - Riccardo D'Ambrosi
- IRCCS Istituto Ortopedico GaleazziMilanItaly
- Dipartimento di Scienze Biomediche per la SaluteUniversità degli Studi di MilanoMilanItaly
| | | | - Darren de Sa
- Division of Orthopaedic Surgery, Department of SurgeryMcMaster University Medical CentreHamiltonOntarioCanada
| | - Christian Fink
- Gelenkpunkt – Sports and Joint Surgery, FIFA Medical Centre of ExcellenceInnsbruckAustria
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Unal P, Samargandi R, Schmitt A, Letissier H, Berhouet J. GNRB® Knee Arthrometer: Inter- and Intra-observer Reliability and Learning Curve. Cureus 2024; 16:e70838. [PMID: 39493172 PMCID: PMC11531775 DOI: 10.7759/cureus.70838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/03/2024] [Indexed: 11/05/2024] Open
Abstract
Background Diagnosing anterior cruciate ligament rupture is challenging, particularly due to the subjective nature of clinical laxity assessments. Objective evaluation methods are necessary for consistency and publication in clinical research. This study aims to assess the reproducibility of the GNRB® knee arthrometer (GeNouRoB, Laval, France) across different examiners and to examine the associated learning curve for a junior examiner. Methods Anterior translation measurements were conducted on 20 healthy knees using the GNRB arthrometer. Two examiners, a senior and a junior, performed the measurements independently and were blinded to each other's results. Measurements were taken at two different push forces (134 N and 200 N). The study evaluated inter- and intra-observer reproducibility using Cohen's kappa coefficient and the intraclass correlation coefficient (ICC). The junior examiner also performed a third series of measurements to assess the learning curve. Results The senior examiner demonstrated excellent reproducibility with an ICC greater than 0.75 for all measurements. The junior examiner's reproducibility varied from fair to good, with an ICC ranging from 0.45 to 0.75. Inter-observer reproducibility between the senior and junior examiners was excellent (ICC >0.75). Notably, the junior examiner's reproducibility improved to an excellent level (ICC >0.75) during the second series of measurements. Conclusion The GNRB system provides a reproducible method for evaluating anterior knee laxity across different examiners. A learning curve of approximately 20 knees is sufficient for a junior examiner to achieve statistically excellent reproducibility.
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Affiliation(s)
- Pauline Unal
- Orthopedic Surgery, Centre Hospitalier Régional Universitaire (CHRU) de Tours, Tours, FRA
- Orthopedic Surgery, Centre Hospitalière d'Amboise, Amboise, FRA
| | - Ramy Samargandi
- Orthopedic Surgery, Centre Hospitalier Régional Universitaire (CHRU) de Tours, Tours, FRA
- Orthopedic Surgery, Faculty of Medicine, University of Jeddah, Jeddah, SAU
| | - Antoine Schmitt
- Orthopedic Surgery, Centre Hospitalier Régional Universitaire (CHRU) de Tours, Tours, FRA
| | - Hoel Letissier
- Orthopedic Surgery, Centre Hospitalier Universitaire (CHU) de Brest, Brest, FRA
| | - Julien Berhouet
- Orthopedic Surgery, Centre Hospitalier Régional Universitaire (CHRU) de Tours, Tours, FRA
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Leão RV, Zelada SRB, Lobo CFT, da Silva AGM, Godoy-Santos AL, Gobbi RG, Helito PVP, Helito CP. Assessment of knee instability in ACL-injured knees using weight-bearing computed tomography (WBCT): a novel protocol and preliminary results. Skeletal Radiol 2024; 53:1611-1619. [PMID: 38185734 DOI: 10.1007/s00256-024-04562-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 01/09/2024]
Abstract
OBJECTIVE To propose a protocol for assessing knee instability in ACL-injured knees using weight-bearing computed tomography (WBCT). MATERIALS AND METHODS We enrolled five patients with unilateral chronic ACL tears referred for WBCT. Bilateral images were obtained in four positions: bilateral knee extension, bilateral knee flexion, single-leg stance with knee flexion and external rotation, and single-leg stance with knee flexion and internal rotation. The radiation dose, time for protocol acquisition, and patients' tolerance of the procedure were recorded. A blinded senior radiologist assessed image quality and measured the anterior tibial translation (ATT) and femorotibial rotation (FTR) angle in the ACL-deficient and contralateral healthy knee. RESULTS All five patients were male, aged 23-30 years old. The protocol resulted in a 16.2 mGy radiation dose and a 15-min acquisition time. The procedure was well-tolerated, and patient positioning was uneventful, providing good-quality images. In all positions, the mean ATT and FTR were greater in ACL-deficient knees versus the healthy knee, with more pronounced differences observed in the bilateral knee flexion position. Mean lateral ATT in the flexion position was 9.1±2.8 cm in the ACL-injured knees versus 4.0±1.8 cm in non-injured knees, and mean FTR angle in the bilateral flexion position was 13.5°±7.7 and 8.6°±4.6 in the injured and non-injured knees, respectively. CONCLUSION Our protocol quantitatively assesses knee instability with WBCT, measuring ATT and FTR in diverse knee positions. It employs reasonable radiation, is fast, well-tolerated, and yields high-quality images. Preliminary findings suggest ACL-deficient knees show elevated ATT and FTR, particularly in the 30° flexion position.
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Affiliation(s)
- Renata Vidal Leão
- Hospital Sírio-Libanês, Institute of Radiology, R. Ovidio Pires de Campos, 65, São Paulo, 05403-911, Brazil.
| | - Sandro Ricardo Benites Zelada
- Knee Group, Institute of Orthopaedics and Traumatology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
| | | | | | | | - Riccardo Gomes Gobbi
- Knee Group, Institute of Orthopaedics and Traumatology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
| | | | - Camilo Partezani Helito
- Knee Group, Institute of Orthopaedics and Traumatology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
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Ateş O, Oğul A. Evaluation of anterolateral ligament healing in patients with anterior cruciate ligament injury without anterior cruciate ligament reconstruction and its relationship with clinical examination tests. Knee Surg Sports Traumatol Arthrosc 2024; 32:1926-1937. [PMID: 38686564 DOI: 10.1002/ksa.12212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 03/05/2024] [Accepted: 03/10/2024] [Indexed: 05/02/2024]
Abstract
PURPOSE This study radiologically investigated the potential of preoperative recovery of the anterolateral ligament (ALL) in patients who did not undergo anterior cruciate ligament reconstruction (ACLR) surgery in the early stages despite surgical indication. The secondary aim was to investigate the relationship between ALL injuries in magnetic resonance imaging (MRI) and the results of Lachman and pivot shift tests performed preoperatively and postoperatively under anaesthesia among patients who underwent ACLR in acute and chronic stages. METHODS The study examined 100 patients aged 19-51 years who underwent anatomic single bundle ACLR using hamstring autografts for the ACL. Based on the time between the injury and ACLR, they were divided into acute (≤6 months) and chronic (>6 months) groups. The chronic group had three subgroups of ACLR times: 7-12, 13-24 and >24 months. Complete recovery was defined as a change from grade B or C upon injury to grade A before surgery according to the Muramatsu MRI classification. The relationship between preoperative and postoperative Lachman grades and pivot shifting test results and the degree of ALL injury was evaluated. RESULTS In the chronic group, 19/61 patients (31.1%) had preoperative grade A, and 4/61 patients (6.5%) had grade A at the time of injury. In the acute group, 22/29 patients with grades B and C (76%) had grade 3 preoperative pivot shifting. In the acute group, grades 1 and 2 were more common in patients with grades B and C (10/29, 35%) than grade A (0/10, 0.0%). CONCLUSION The improvement rate was 24.6% among patients who did not receive ACLR in the acute phase and underwent ACLR in the chronic phase. In the acute group, the degree of ALL damage was related to the pivot shift results. However, the results in the chronic phase were not associated with the degree of injury. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Okan Ateş
- Orthopedic and Traumatology Deparment, Bower Hospital, Diyarbakır, Turkey
| | - Ahsen Oğul
- Eskişehir City Hospital, Department of Sports Medicine, Eskişehir, Turkey
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Sonnery-Cottet B, Carrozzo A. Lateral Extra-Articular Tenodesis and Anterolateral Procedures. Clin Sports Med 2024; 43:413-431. [PMID: 38811119 DOI: 10.1016/j.csm.2023.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
The treatment of rotational instability has been an intriguing challenge since the era of modern anterior cruciate ligament (ACL) surgery. Lateral extra-articular procedures (LEAPs) have emerged as a solution to this problem, particularly in high-risk populations. Several studies have shown significant benefits of combining LEAPs with ACL reconstruction, including reduced graft failure rates, improved knee stability, improved rotational stability, and higher return-to-play rates. These findings have led to an in-depth evaluation of LEAPs as lateral extra-articular tenodesis and anterolateral ligament reconstruction and their potential role in improving outcomes after ACL reconstruction.
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Affiliation(s)
- Bertrand Sonnery-Cottet
- Orthopaedic Surgery, Centre Orthopédique Santy, FIFA Medical Centre of Excellence, Groupe Ramsay-Générale de Santé, Hôpital Privé Jean Mermoz, Lyon, France
| | - Alessandro Carrozzo
- Orthopedic Unit, Sant'Andrea University Hospital, La Sapienza University, Rome, Italy.
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Kantrowitz DE, Colvin A. Comprehensive Clinical Examination of ACL Injuries. Clin Sports Med 2024; 43:311-330. [PMID: 38811112 DOI: 10.1016/j.csm.2023.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
A comprehensive clinical examination of the potentially anterior cruciate ligament (ACL)-deficient knee should proceed as follows: inspection; palpation; range of motion; varus and valgus stress; neurovascular status; and finally provocative maneuvers. The Lachman, anterior drawer, Lever, and pivot shift tests are all greater than 90% specific for ACL pathology. Due to the relatively high coincidence of ACL injuries and those to the posterior cruciate ligament, posterolateral corner , posteromedial corner , and menisci, it is critical that the examiner perform provocative maneuvers to evaluate the integrity of these structures as well.
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Affiliation(s)
- David E Kantrowitz
- Department of Orthopedics, The Mount Sinai Hospital, 5 E 98th Street, 9th floor, New York, NY 10029, USA.
| | - Alexis Colvin
- Department of Orthopedics, The Mount Sinai Hospital, 5 E 98th Street, 9th floor, New York, NY 10029, USA
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Vind TD, Petersen ET, Sørensen OG, Lindgren L, Stilling M. Dynamic radiostereometry can objectively quantify the kinematic laxity patterns and rotation instability of the knee during a pivot-shift test. Knee Surg Sports Traumatol Arthrosc 2024; 32:1492-1506. [PMID: 38643397 DOI: 10.1002/ksa.12181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/17/2024] [Accepted: 03/21/2024] [Indexed: 04/22/2024]
Abstract
PURPOSE The pivot-shift test is used to clinically assess knee instability in patients with anterior cruciate ligament (ACL) lesions; however, it has low interobserver reliability. Dynamic radiostereometry (dRSA) is a highly precise and noninvasive method for the objective evaluation of joint kinematics. The purpose of this study was to quantify precise knee kinematics during a pivot-shift test using dRSA imaging. METHOD Eight human donor legs, including hemipelvises, were evaluated. Arthroscopic intervention was performed inducing ligament lesions in the ACL, and anterolateral ligament (ALL) section was performed as a capsular incision. The pivot-shift test was recorded with dRSA on knees with intact ligaments, ACL-deficient and ACL + ALL-deficient knees. RESULTS A pivot-shift pattern was identifiable after ligament lesion, as a change in tibial posterior drawer velocity from 7.8 mm/s (95% CI: 3.7; 11.9) in ligament intact knees to 30.4 mm/s (95% CI 23.0; 38.8) after ACL lesion to 35.1 mm/s (95% CI 23.4; 46.7) after combined ACL-ALL lesion. The anterior-posterior drawer excursion increased from 2.8 mm (95% CI 2.1; 3.4) in ligament intact knees to 7.2 mm (95% CI 5.5; 8.9) after ACL lesion to 7.6 mm (95% CI 5.5; 9.8) after combined lesion. A statistically significant increase in tibial external rotation towards the end of the pivot-shift motion was observed when progressing from intact to ACL + ALL-deficient knees (p < 0.023). CONCLUSION This experimental study demonstrates the feasibility of dRSA to objectively quantify the kinematic laxity patterns of the knee during the pivot-shift test. The dynamic parameters obtained through dRSA revealed the kinematic changes from ACL to combined ACL-ALL ligament lesion. LEVEL OF EVIDENCE Not applicable.
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Affiliation(s)
- Tobias Dahl Vind
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- AutoRSA Research Group, Orthopaedic Research Unit, Aarhus University Hospital, Aarhus, Denmark
| | - Emil Toft Petersen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- AutoRSA Research Group, Orthopaedic Research Unit, Aarhus University Hospital, Aarhus, Denmark
| | - Ole Gade Sørensen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
- Division of Sports Trauma, Orthopaedic Department, Aarhus University Hospital, Aarhus N, Denmark
| | - Lars Lindgren
- Department of Radiology, Aarhus University Hospital, Aarhus N, Denmark
| | - Maiken Stilling
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- AutoRSA Research Group, Orthopaedic Research Unit, Aarhus University Hospital, Aarhus, Denmark
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
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McAleese T, Murgier J, Cavaignac E, Devitt BM. A review of Marcel Lemaire's original work on lateral extra-articular tenodesis. J ISAKOS 2024; 9:431-437. [PMID: 38403195 DOI: 10.1016/j.jisako.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/01/2024] [Accepted: 02/20/2024] [Indexed: 02/27/2024]
Abstract
This classic discusses Marcel Lemaire's original publications in the context of modern surgical practice, including a description of his original lateral extra-articular tenodesis. Previously published in French, these translations shed light on his revelations regarding the anterior cruciate ligament's role in knee stability and his detailed insights into the ressaut rotatoire or the pivot shift phenomenon. We track the evolution of Lemaire's procedure since the publication of his original technique in 1967 which used a nylon cord superficial to the lateral collateral ligament followed by cast immobilisation for one month. We report his patient outcomes as he refines his methods through experiential learning. Lemaire's fundamental concepts in relation to anterior cruciate ligament deficiency remain relevant in contemporary clinical practice. Furthermore, the "modified Lemaire technique" has emerged as one of the preferred methods for lateral extra-articular tenodesis. We hope that disseminating his thoughts to a wider audience will help enlighten the ongoing debate regarding the management of rotatory instability. LEVEL OF EVIDENCE: V - Expert Opinion.
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Affiliation(s)
- Timothy McAleese
- RCSI University of Medicine and Health Sciences, Dublin, D02 YN77, Ireland; UPMC Sports Surgery Clinic, Santry Demesne, Dublin, D09 VY9H, Ireland.
| | - Jérôme Murgier
- Department of Knee Surgery, Clinique Aguiléra, Biarritz, France
| | - Etienne Cavaignac
- Department of Trauma and Orthopaedics, Hôpital Pierre Paul Riquet, Toulouse, France
| | - Brian M Devitt
- UPMC Sports Surgery Clinic, Santry Demesne, Dublin, D09 VY9H, Ireland; Department of Orthopaedics and Surgical Biomechanics, Dublin City University, D09 V209, Ireland
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Avasthi S, Aggarwal P, Mahapatra S, Nishat N, Mishra M, Aslam A. Diagnostic accuracy of lever sign test in acute and chronic ACL injuries. J Clin Orthop Trauma 2024; 52:102427. [PMID: 38799022 PMCID: PMC11126818 DOI: 10.1016/j.jcot.2024.102427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 01/16/2024] [Accepted: 04/29/2024] [Indexed: 05/29/2024] Open
Abstract
Introduction The anterior cruciate ligament (ACL) is a commonly affected knee ligament prone to frequent injuries. Henceforth, we aimed to determine the diagnostic accuracy of lever sign test in Acute and chronic ACL injuries. Method At the institution's initial outpatient visit, 150 consecutive patients (92 males and 58 females) were evaluated. Total 108 patients had injury in their right leg, whereas 42 had injury in their left leg. Based on time since injury, the patients were divided into Acute and chronic groups. Clinical examinations (lachman's test and lelli's test) of all patients were confirmed with arthroscopic findings and compared between the two groups. Results In the acute ACL injury, the lever test had a kappa value 0.704. The accuracy and sensitivity of the Lachman, anterior drawer, pivot shift, and lever tests were calculated. We found that the lever test had the highest accuracy and sensitivity (85.48 %, 91.18 %) than the rest. In the chronic ACL injury, the kappa value for the results of the Lachman test evaluation was 0.723. The chronic ACL injuries accuracy and sensitivity values for the Lachman (86.36 %, 91.67 %), anterior drawer (76.14 %, 81.25 %), pivot shift (55.68 %, 58.49 %), and lever tests were determined. Conclusion The lever sign test is more accurate and reliable in the acute ACL injuries, while the Lachman test is more accurate and reliable in the chronic ACL injuries.
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Affiliation(s)
| | | | | | | | | | - Ammar Aslam
- Department of Orthopaedics, Dr RMLIMS, Lucknow, India
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Guo Z, Liu F. Progress in research on and classification of surgical methods of arthroscopic reconstruction of the ACL and ALL using a shared tendon graft through the femoral tunnel. Front Surg 2023; 10:1292530. [PMID: 38186395 PMCID: PMC10766812 DOI: 10.3389/fsurg.2023.1292530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/14/2023] [Indexed: 01/09/2024] Open
Abstract
Anterior cruciate ligament (ACL) tear is a common clinical injury, and ACL reconstruction has reached a very mature stage. However, with the accumulation of cases, scholars have found that isolated ACL reconstruction may not completely solve the problem of knee rotational stability. With the increase in our understanding of knee joint structure, ACL combined with anterolateral ligament (ALL) reconstruction has become accepted by most scholars, and this operation has also achieved good clinical results. At present, there is no unified surgical method for ACL combined with ALL reconstruction. There are differences in bone tunnel location, reconstruction methods, and graft selection. Compared with the independent reconstruction of the ACL and ALL during the operation, shared tendon graft reconstruction of the ACL and ALL has the advantages of preserving tendon and avoiding tunnel convergence. So far, there is no relevant literature summarizing the reconstruction of the ACL and ALL with a shared tendon graft. This paper reviews the anatomic study of the ALL, the study of isometric points, surgical indications, and surgical methods and their classification for shared tendon graft reconstruction of the ACL and ALL.
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Affiliation(s)
- Ziteng Guo
- Department of Orthopedics, The First Hospital of Qinhuangdao, Qinhuangdao, China
- School of Graduate, Hebei Medical University, Shijiazhuang, China
| | - Fei Liu
- Department of Orthopedics, The First Hospital of Qinhuangdao, Qinhuangdao, China
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Al-Gburi M, Kristiansen JB, Christensen KB, Krogsgaard MR. Functional performance tests, clinical measurements, and patient-reported outcome measures do not correlate as outcomes 1 year after anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2023; 31:5905-5912. [PMID: 37947829 PMCID: PMC10719130 DOI: 10.1007/s00167-023-07648-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 10/24/2023] [Indexed: 11/12/2023]
Abstract
PURPOSE The results after anterior cruciate ligament reconstruction (ACLR) are evaluated by laxity measures, functional tests, and patients' perception by patient-reported outcome measures (PROMs). It is not known, if one of these evaluation instruments is representative or if outcome scores from all must be reported to obtain a full evaluation of the condition. The aim was to study the correlations between these three types of outcomes 1 year after primary ACLR. METHOD All adult patients (range 18-45 years) who had an ACLR between 1.1.2019 and 31.12.2021 were offered 1-year follow-up by an independent observer. Preoperative information about knee laxity and peroperative information about the condition of menisci and cartilage were registered. At 1-year follow-up clinical and instrumented knee stability and function assessed by four different hop tests were registered. Patients completed four PROMs (the Subjective International Knee Documentation Committee (IKDC) score, the Knee Numeric-Entity Evaluation Score (KNEES-ACL), the Knee injury and Osteoarthritis Outcome Score (KOOS) and the Lysholm score) and Tegner activity scale and answered anchor questions regarding satisfaction and willingness to repeat the operation. RESULTS A total of 190 adults attended the 1-year follow-up and 151 had all assessments. There were only a few positive and weak correlations between performance tests and PROMS and between clinical measurements and PROMS (r = 0.00-0.38), and the majority were of negligible strength. Tegner score had in general the highest correlation (low to moderate). The highest correlation was 0.53 (moderate) between the anchor question about patient satisfaction and Lysholm/IKDC scores. There was no difference in the correlations depending on meniscal condition. CONCLUSIONS In ACLR patients there was no clinically relevant correlation between scores obtained by PROMs, a battery of functional performance tests and instrumented laxity of the knee at 1-year follow-up. Therefore, one type of outcome cannot represent the others. This is an argument for always to include and report all three types of outcomes, and conclusions based on one type of outcome may not be sufficient. LEVEL OF EVIDENCE II.
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Affiliation(s)
- Mustafa Al-Gburi
- Sections for Sports Traumatology, Department of Orthopedic Surgery, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark.
- Department of Physiotherapy, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark.
- Section for Biostatistics, Copenhagen University, Copenhagen K, Denmark.
| | - Jakob Bredahl Kristiansen
- Sections for Sports Traumatology, Department of Orthopedic Surgery, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark
- Department of Physiotherapy, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark
- Section for Biostatistics, Copenhagen University, Copenhagen K, Denmark
| | - Karl Bang Christensen
- Sections for Sports Traumatology, Department of Orthopedic Surgery, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark
- Department of Physiotherapy, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark
- Section for Biostatistics, Copenhagen University, Copenhagen K, Denmark
| | - Michael Rindom Krogsgaard
- Sections for Sports Traumatology, Department of Orthopedic Surgery, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark
- Department of Physiotherapy, Copenhagen University Hospital Bispebjerg, Copenhagen Ø, Denmark
- Section for Biostatistics, Copenhagen University, Copenhagen K, Denmark
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13
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Shom P, Varma AR, Prasad R. The Anterior Cruciate Ligament: Principles of Treatment. Cureus 2023; 15:e40269. [PMID: 37448400 PMCID: PMC10336184 DOI: 10.7759/cureus.40269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 06/11/2023] [Indexed: 07/15/2023] Open
Abstract
The anterior cruciate ligament (ACL) is a crucial connective tissue in the knee joint (tibiofemoral joint). Although the surgical anatomy of this ligament has been studied and interpreted for decades, it remains a topic of discussion among surgeons. The ACL has two bundles, the anteromedial (AM) and the posterolateral (PL) bundle. ACL tears are among the most frequently sustained injuries to the tibiofemoral joint. The ACL is an important rotational stabilizer of the knee joint. The human knee joint can be classified as a complex structure, as it has many ligaments supporting its stability and ensuring required joint mobility. Previously, the outcomes of primary ACL surgery were poor; however, with time, the modalities have improved substantially. There are two methods of performing the reconstruction procedure, the single-bundle method, in which only the AM bundle is reconstructed, and the double-bundle method, in which both the AM and PL bundles of the ACL are reconstructed. Double bundle arthroscopic ACL reconstruction has been recognized as the gold standard procedure. The grafts used for the reconstruction procedure are the tendon of the patella graft and the grafts of the hamstrings. However, one of the drawbacks of performing this surgery is the development of complications, like osteoarthritis. This complication is observed majorly in sports professionals. This article aims to sum up the anatomy of the ACL, its regular tears, the various surgical aspects of managing it, and the advancement of treatment options in the past centuries. Although much has been achieved, detailed scientific studies should be carried out to improve the prognosis and decrease the risk of development of complications.
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Affiliation(s)
- Prannoy Shom
- Orthopaedics, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Anuj R Varma
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Roshan Prasad
- Medicine and Surgery, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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14
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Abstract
The pivot shift test, in contrast to the Lachman or anterior drawer, is a manually subjective clinical test that simulates the injury mechanism. It is the most sensitive test to determine ACL insufficiency. This paper reviews the history, development, research, and treatment associated with the pivot shift phenomenon which is associated with tearing and loss of function of the knee anterior cruciate ligament. The pivot shift test most closely recapitulates what the symptomatic anterior cruciate ligament deficient patient feels is happening which is an abnormal translation and rotation of the injured joint during flexion or extension. The test is best conducted in the relaxed patient by applying knee flexion, tibial external rotation, and valgus stress. The pivot shift biomechanics and treatment measures are reviewed.
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Affiliation(s)
- Kevin C McLeod
- Baptist Health Specialty - Arkadelphia, Orthopedic Surgeon, 2915 Cypress Rd, Suite D, Arkadelphia, AR
| | - F Alan Barber
- Plano Orthopedic and Sports Medicine Center, Fellowship Director Emeritus, Plano, TX
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15
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Lampart M, Park BH, Husi B, Evans R, Pozzi A. Evaluation of the accuracy and intra- and interobserver reliability of three manual laxity tests for canine cranial cruciate ligament rupture-An ex vivo kinetic and kinematic study. Vet Surg 2023. [PMID: 37144831 DOI: 10.1111/vsu.13957] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 02/17/2023] [Accepted: 03/20/2023] [Indexed: 05/06/2023]
Abstract
OBJECTIVES To investigate the accuracy and intra- and interobserver reliability of the cranial drawer test (CD), tibial compression test (TCT), and the new tibial pivot compression test (TPCT) in an experimental setting resembling acute cranial cruciate ligament rupture (CCLR) and to elucidate the ability to subjectively estimate cranial tibial translation (CTT) during testing. STUDY DESIGN Experimental ex vivo study. SAMPLE POPULATION Ten cadaveric hindlimbs of large dogs. METHODS Kinetic and 3D-kinematic data was collected while three observers performed the tests on each specimen with intact (INTACT) and transected cranial cruciate ligament (CCLD) and compared using three-way repeated-measures ANOVA. Subjectively estimated CTT (SCTT), obtained during a separate round of testing, was compared to kinematic data by Pearson correlation. RESULTS CTT was significantly higher for CCLD than for INTACT for all tests, resulting in 100% sensitivity and specificity. TPCT induced the highest CTT and internal rotation. Intra- and interobserver agreement of translation was excellent. For rotation and kinetics, agreement was more variable. SCTT strongly correlated with the objectively measured values. CONCLUSION The CD, TCT and the new TPCT were all accurate and reliable. The high translations and rotations during TPCT are promising, encouraging further development of this test. SCTT was reliable in our experimental setting. CLINICAL SIGNIFICANCE Veterinary manual laxity tests are accurate and reliable in acute CCLR. The TPCT might have potential for the assessment of subtle and rotational canine stifle instabilities. The high reliability of SCTT implies that grading schemes for stifle laxity, similar to human medicine, could be developed.
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Affiliation(s)
- Marina Lampart
- Department for Small Animals, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Brian H Park
- Department for Small Animals, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Benjamin Husi
- Department for Small Animals, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Richard Evans
- Department for Small Animals, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Antonio Pozzi
- Department for Small Animals, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
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16
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Zaid HHG, Hua X, Chen B, Yang Q, Yang G, Cheng W. Tourniquet Use Improves Intraoperative Parameters, Leading to Similar Postoperative Outcomes Compared With No Tourniquet Use in Anterior Cruciate Ligament Reconstruction: A Prospective, Double-Blind, Randomized Clinical Trial. Arthroscopy 2023; 39:626-637.e3. [PMID: 36334854 DOI: 10.1016/j.arthro.2022.10.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 09/27/2022] [Accepted: 10/20/2022] [Indexed: 11/21/2022]
Abstract
PURPOSE To examine the effect of tourniquet use in arthroscopic anterior cruciate ligament reconstruction in terms of: (1) intraoperative visualization with operative time and consumption of sterile saline, and (2) intra- and postoperative blood loss, postoperative pain, opioid consumption, swelling, serum creatine phosphokinase (CPK) and hemoglobin (Hb) concentrations, clinical outcomes, and graft healing. METHODS In this prospective randomized clinical trial, patients were assigned to tourniquet inflation (tourniquet-up) or tourniquet deflation (tourniquet-down) groups. Primary outcomes were intraoperative visualization with operative time and sterile saline consumption. Secondary outcomes were intra- and postoperative blood loss, postoperative pain, opioid consumption, swelling, serum CPK, Hb concentration, subjective and objective functional scores, and graft healing. RESULTS Intraoperative visualization was satisfactory in 100 of 100 cases in the tourniquet-up group and 64 of 100 cases in the tourniquet-down group (P < .05). The mean operative time was 58.4 ± 5.7 minutes in the tourniquet-up group and 72.5 ± 8.6 minutes in the tourniquet-down group (P < .05). The mean sterile saline consumption was 6.4 ± 2.5 L in the tourniquet-up group and 8.7 ± 4.6 L in the tourniquet-down group (P < .05). The respective amounts of estimated intraoperative and postoperative blood loss were 95.3 ± 25.1 mL and 240.3 ± 44.5 mL in the tourniquet-up group and 230.2 ± 22.3 mL and 75.6 ± 15.3 mL in the tourniquet-down group (P < .05). Our results showed no significant difference in postoperative pain, opioid consumption, percentage of patients using opioids, swelling, mean serum CPK and Hb levels, subjective and objective functional scores, or graft healing (P > .05) between the 2 groups. CONCLUSIONS Tourniquet use during anterior cruciate ligament reconstruction significantly improves intraoperative visualization, shortens operative time, and decreases intraoperative sterile saline consumption and blood loss without serious adverse events or greater complication rates based on early postoperative outcomes. LEVEL OF EVIDENCE Level I, randomized controlled trial.
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Affiliation(s)
- Hamood H G Zaid
- First Affiliated Hospital of Xiamen University, Xiamen City, China; College of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou City, China
| | - Xu Hua
- First Affiliated Hospital of Xiamen University, Xiamen City, China
| | - Bingyi Chen
- First Affiliated Hospital of Xiamen University, Xiamen City, China
| | - Quanyuan Yang
- First Affiliated Hospital of Xiamen University, Xiamen City, China
| | - Guo Yang
- First Affiliated Hospital of Xiamen University, Xiamen City, China.
| | - Weinan Cheng
- First Affiliated Hospital of Xiamen University, Xiamen City, China.
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17
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Suh DK, Cho IY, Noh S, Yoon DJ, Jang KM. Anatomical and Biomechanical Characteristics of the Anterolateral Ligament: A Descriptive Korean Cadaveric Study Using a Triaxial Accelerometer. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:419. [PMID: 36837620 PMCID: PMC9964873 DOI: 10.3390/medicina59020419] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/11/2023] [Accepted: 02/17/2023] [Indexed: 02/25/2023]
Abstract
Background and Objectives: The anterolateral ligament (ALL) could be the potential anatomical structure responsible for rotational instability after anterior cruciate ligament (ACL) reconstruction. The purpose of this study was to investigate the anatomical and biomechanical characteristics of the ALL in Korean cadaveric knee joints. Materials and Methods: Twenty fresh-frozen cadaveric knees were dissected and tested. Femoral and tibial footprints of the ALL were recorded. Pivot shift and Lachman tests were measured with KiRA. Results: The prevalence of ALL was 100%. The average distance of the tibial footprint to the tip of the fibular head was 19.85 ± 3.41 mm; from the tibial footprint to Gerdy's tubercle (GT) was 18.3 ± 4.19 mm; from the femoral footprint to the lateral femoral epicondyle was 10.25 ± 2.97 mm. ALL's footprint distance was the longest at 30° of flexion (47.83 ± 8.05 mm, p < 0.01) in a knee with intact ALL-ACL and neutral rotation. During internal rotation, the footprint distance was the longest at 30° of flexion (50.05 ± 8.88 mm, p < 0.01). Internal rotation produced a significant increase at all three angles after ACL-ALL were transected (p = 0.022), where the footprint distance was the longest at 30° of flexion (52.05 ± 7.60 mm). No significant difference was observed in KiRA measurements between intact ALL-ACL and ALL-transected knees for pivot shift and Lachman tests. However, ACL-ALL-transected knees showed significant differences compared to the intact ALL-ACL and ALL-transected knees (p < 0.01). Conclusions: The ALL was identified as a distinct ligament structure with a 100% prevalence in this cadaveric study. The ALL plays a protective role in internal rotational stability. An isolated ALL transection did not significantly affect the ALL footprint distances or functional stability tests. Therefore, the ALL is thought to act as a secondary supportive stabilizer for rotational stability of the knee joint in conjunction with the ACL.
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Affiliation(s)
- Dae Keun Suh
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea
| | - Il-Yup Cho
- Joint Center, Seoul Barunsesang Hospital, Seoul 08523, Republic of Korea
| | - Sehyun Noh
- College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Dong Joo Yoon
- College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Ki-Mo Jang
- Department of Orthopaedic Surgery, Anam Hospital, Korea University College of Medicine, Seoul 02841, Republic of Korea
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18
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Soudé G, De Villeneuve Bargemon JB, Khakha R, Pithioux M, Argenson JN, Ollivier M, Jacquet C. Pivot shift intraoperative quantitative assessment using a smartphone accelerometer in ACL deficient knees. J Exp Orthop 2023; 10:6. [PMID: 36695976 PMCID: PMC9877253 DOI: 10.1186/s40634-023-00570-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/06/2023] [Indexed: 01/26/2023] Open
Abstract
PURPOSE The Pivot Shift (PS) test is a complex clinical sign that assesses the internal rotation and anterior tibial translation, which occurs abnormally in ACL deficient-knees. Because of the high inter-observer variability, different devices have been designed to characterize this complex movement in quantitative variables. The objective of this pilot study is to validate the reproducibility of intraoperative quantitative assessment of the PS with a smartphone accelerometer. METHODS Twelve ACL-injured knees were included and compared with the contralateral uninjured side. The PS was measured by two independent observers utilizing a smartphone accelerometer and graded according to the IKDC classification. Measurements were taken preoperatively, intraoperatively and postoperatively. Intraoperative readings were taken during each stage of reconstruction or repair of meniscoligamentous lesions including meniscal lesions, ramp lesions, ACL reconstruction and lateral tenodesis. Reproducibility of the measurements were evaluated according to an intraclass correlation coefficient (ICC). RESULTS The intra-observer reliability was good for the first examiner and excellent for the second examiner, with the ICC 0.89 [0.67, 0.98] p < 0,001 and ICC 0.97 [0.91, 1.0] p < 0,001 respectively. The inter-observer reliability was excellent between the two observers with the ICC 0.99 [0.97, 1.0] p < 0,001. The mean tibial acceleration measured 3.45 m.s2 (SD = 1.71) preoperatively on the injured knees and 1.03 m.s2 (SD = 0.36) on the healthy knees, demonstrating a significant difference following univariate analysis p < 0.001. Postoperatively, no significant difference was observed between healthy and reconstructed knees The magnitudes of tibial acceleration values were correlated with the PS IKDC grade. CONCLUSION The smartphone accelerometer is a reproducible device to quantitatively assess the internal rotation and anterior tibial translation during ACL reconstruction surgery. The measurements are influenced by the different surgical steps. Other larger cohort studies are needed to evaluate the specific impact of each step of the ACL reconstruction and meniscal repair on this measurement. An external validation using other technologies are needed to validate the reliability of this device to assess the PS test. LEVEL OF EVIDENCE Level IV, case series, pilot study.
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Affiliation(s)
- Guillaume Soudé
- grid.5399.60000 0001 2176 4817Aix-Marseille University, CNRS, ISM UMR 7287, 13288, cedex 09 Marseille, France ,Department of Orthopedic surgery and Traumatology St. Marguerite Hospital, Institute of movement and locomotion, 270 Boulevard Sainte Marguerite, 29 13274 Marseille, BP France
| | - Jean-Baptiste De Villeneuve Bargemon
- Department of Orthopedic surgery and Traumatology St. Marguerite Hospital, Institute of movement and locomotion, 270 Boulevard Sainte Marguerite, 29 13274 Marseille, BP France ,International Wrist Center, Bizet Clinic, Paris, France
| | - Raghbir Khakha
- grid.420545.20000 0004 0489 3985Guys and St Thomas Hospitals, London, UK
| | - Martine Pithioux
- grid.5399.60000 0001 2176 4817Aix-Marseille University, CNRS, ISM UMR 7287, 13288, cedex 09 Marseille, France ,Department of Orthopedic surgery and Traumatology St. Marguerite Hospital, Institute of movement and locomotion, 270 Boulevard Sainte Marguerite, 29 13274 Marseille, BP France
| | - Jean-Noël Argenson
- grid.5399.60000 0001 2176 4817Aix-Marseille University, CNRS, ISM UMR 7287, 13288, cedex 09 Marseille, France ,Department of Orthopedic surgery and Traumatology St. Marguerite Hospital, Institute of movement and locomotion, 270 Boulevard Sainte Marguerite, 29 13274 Marseille, BP France
| | - Matthieu Ollivier
- grid.5399.60000 0001 2176 4817Aix-Marseille University, CNRS, ISM UMR 7287, 13288, cedex 09 Marseille, France ,Department of Orthopedic surgery and Traumatology St. Marguerite Hospital, Institute of movement and locomotion, 270 Boulevard Sainte Marguerite, 29 13274 Marseille, BP France
| | - Christophe Jacquet
- grid.5399.60000 0001 2176 4817Aix-Marseille University, CNRS, ISM UMR 7287, 13288, cedex 09 Marseille, France ,Department of Orthopedic surgery and Traumatology St. Marguerite Hospital, Institute of movement and locomotion, 270 Boulevard Sainte Marguerite, 29 13274 Marseille, BP France
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19
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Godshaw BM, Hughes JD, Lucidi GA, Setliff J, Sansone M, Karlsson J, Musahl V. Posterior tibial plateau impaction fractures are not associated with increased knee instability: a quantitative pivot shift analysis. Knee Surg Sports Traumatol Arthrosc 2023:10.1007/s00167-023-07312-3. [PMID: 36633602 DOI: 10.1007/s00167-023-07312-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023]
Abstract
PURPOSE This study aimed to evaluate posterolateral tibial plateau impaction fractures and how they contribute to rotatory knee laxity using quantitative pivot shift analysis. It was hypothesised that neither the presence of nor the degree of involvement of the plateau would affect rotatory knee laxity in the ACL-deficient knee. METHODS A retrospective review of prospectively collected data on 284 patients with complete anterior cruciate ligament (ACL) injuries was conducted. Posterolateral tibial plateau impaction fractures were identified on preoperative MRI. The patients were divided into two cohorts: "fractures" or "no fractures". The cohort with fractures was further categorised based on fracture morphology: "extra-articular", "articular-impaction", or "displaced-articular fragment". All data were collected during examination under anaesthesia performed immediately prior to ACL reconstruction. This included a standard pivot shift test graded by the examiner and quantitative data including anterior tibial translation (mm) via Rolimeter, quantitative pivot shift (QPS) examination (mm) via PIVOT tablet technology, and acceleration (m/sec2) during the pivot shift test via accelerometer. Quantitative examinations were compared with the contralateral knee. RESULTS There were 112 patients with posterolateral tibial plateau impaction fractures (112/284, 39%). Of these, 71/112 (63%) were "extra-articular", 28/112 (25%) "articular-impaction", and 13/112 (12%) "displaced-articular". Regarding the two groups with or without fractures, there was no difference in subjective pivot shift (2 ± 0 vs 2 ± 0, respectively, n.s.), QPS (2.4 ± 1.6 mm vs 2.7 ± 2.2 mm, respectively, n.s.), anterior tibial translation measurements (6 ± 3 mm vs 5 ± 3 mm, respectively, n.s.), or acceleration of the knee during the pivot (1.7 ± 2.3 m/s2 vs 1.8 ± 3.1 m/s2, respectively, n.s.). When the fractures were further subdivided, subgroup analysis revealed no significant differences noted in any of the measured examinations between the fracture subtypes. CONCLUSION This study showed that the posterolateral tibial plateau impaction fractures are commonly encountered in the setting of ACL tears; however, contrary to previous reports, they do not significantly increase rotatory knee laxity. This suggests that this type of concomitant injury may not need to be addressed at the time of ACL reconstruction. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Brian M Godshaw
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
| | - Jonathan D Hughes
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Gian Andrea Lucidi
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
| | - Joshua Setliff
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA
| | - Mikael Sansone
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jon Karlsson
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Volker Musahl
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, UPMC Rooney Sports Complex, 3200 South Water Street, Pittsburgh, PA, 15203, USA.
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20
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Morgan AM, Bi AS, Kaplan DJ, Alaia MJ, Strauss EJ, Jazrawi LM. An eponymous history of the anterolateral ligament complex of the knee. Knee Surg Relat Res 2022; 34:45. [PMID: 36527151 PMCID: PMC9756455 DOI: 10.1186/s43019-022-00172-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/22/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Recent interest has surged in the anterolateral ligament (ALL) and complex (ALC) of the knee. Its existence and role in rotary stability of the knee, particularly in the setting of anterior cruciate ligament (ACL) reconstruction, remains a contentious and controversial topic. UNDERSTANDING THE ALC We must review our history and recognize the pioneers who pushed our understanding of the ALL forward before it was popularly recognized as a discrete structure. Additionally, given that many eponyms remain in common use related to the ALC, we must standardize our nomenclature to prevent misuse or misunderstanding of terms in the literature. In this review, modern understanding of the anterolateral ligament complex (ALC) is traced to 1829 by exploring eponymous terms first in anatomy and then in surgical technique. Understanding our history and terminology will allow us to better understand the ALC itself. CONCLUSION This review aims to provide historical context, define terminology, and provide insight into the clinical relevance of the ALC.
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Affiliation(s)
- Allison M. Morgan
- grid.137628.90000 0004 1936 8753NYU Langone Orthopedic Center, 301 E 17th Street, New York, NY 10010 USA
| | - Andrew S. Bi
- grid.137628.90000 0004 1936 8753NYU Langone Orthopedic Center, 301 E 17th Street, New York, NY 10010 USA
| | - Daniel J. Kaplan
- grid.137628.90000 0004 1936 8753NYU Langone Orthopedic Center, 301 E 17th Street, New York, NY 10010 USA
| | - Michael J. Alaia
- grid.137628.90000 0004 1936 8753NYU Langone Orthopedic Center, 301 E 17th Street, New York, NY 10010 USA
| | - Eric J. Strauss
- grid.137628.90000 0004 1936 8753NYU Langone Orthopedic Center, 301 E 17th Street, New York, NY 10010 USA
| | - Laith M. Jazrawi
- grid.137628.90000 0004 1936 8753NYU Langone Orthopedic Center, 301 E 17th Street, New York, NY 10010 USA
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21
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Extent of posterolateral tibial plateau impaction fracture correlates with anterolateral complex injury and has an impact on functional outcome after ACL reconstruction. Knee Surg Sports Traumatol Arthrosc 2022; 31:2266-2273. [PMID: 36526932 PMCID: PMC10183412 DOI: 10.1007/s00167-022-07282-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
PURPOSE The impact of posterolateral tibial plateau impaction fractures (TPIF) on posttraumatic knee stability in the setting of primary anterior cruciate ligament (ACL) tear is unknown. The main objective was to determine whether increased bone loss of the posterolateral tibial plateau is associated with residual rotational instability and impaired functional outcome after ACL reconstruction. METHODS A cohort was identified in a prospective enrolled study of patients suffering acute ACL injury who underwent preoperative standard radiographic diagnostics and clinical evaluation. Patients were included when scheduled for isolated single-bundle hamstring autograft ACL reconstruction. Exclusion criteria were concurrent anterolateral complex (ALC) reconstruction (anterolateral tenodesis), previous surgery or symptoms in the affected knee, partial ACL tear, multi-ligament injury with an indication for additional surgical intervention, and extensive cartilage wear. On MRI, bony (TPIF, tibial plateau, and femoral condyle morphology) and ligament status (ALC, concomitant collateral ligament, and meniscus injuries) were assessed by a musculoskeletal radiologist. Clinical evaluation consisted of KT-1000, pivot-shift, and Lachman testing, as well as Tegner activity and IKDC scores. RESULTS Fifty-eight patients were included with a minimum follow-up of 12 months. TPIF was identified in 85% of ACL injuries (n = 49). The ALC was found to be injured in 31 of 58 (53.4%) cases. Pearson analysis showed a positive correlation between TPIF and the degree of concomitant ALC injury (p < 0.001). Multiple regression analysis revealed an increased association of high-grade TPIF with increased lateral tibial convexity (p = 0.010). The high-grade TPIF group showed worse postoperative Tegner scores 12 months postoperatively (p = 0.035). CONCLUSION Higher degrees of TPIFs are suggestive of a combined ACL/ALC injury. Moreover, patients with increased posterolateral tibial plateau bone loss showed lower Tegner activity scores 12 months after ACL reconstruction. LEVEL OF EVIDENCE III.
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Sokal PA, Norris R, Maddox TW, Oldershaw RA. The diagnostic accuracy of clinical tests for anterior cruciate ligament tears are comparable but the Lachman test has been previously overestimated: a systematic review and meta-analysis. Knee Surg Sports Traumatol Arthrosc 2022; 30:3287-3303. [PMID: 35150292 PMCID: PMC9464183 DOI: 10.1007/s00167-022-06898-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 01/20/2022] [Indexed: 11/29/2022]
Abstract
PURPOSE The diagnostic accuracy of clinical tests for anterior cruciate ligament injury has been reported in previous systematic reviews. Numerous studies in these reviews include subjects with additional knee ligament injury, which could affect the sensitivity of the tests. Meta-analyses have also been performed using methods that do not account for the non-independence of sensitivity and specificity, potentially overestimating diagnostic accuracy. The aim of this study was to report the diagnostic accuracy of clinical tests for anterior cruciate ligament tears (partial and complete) without concomitant knee ligament injury. METHODS A systematic review with meta-analysis was performed according to the PRISMA guidelines. Meta-analyses included studies reporting the specificity and/or sensitivity of tests with or without concomitant meniscal injury. Where possible, pooled diagnostic estimates were calculated with bivariate random-effects modelling to determine the most accurate effect sizes. Diagnostic accuracy values are presented for the anterior drawer, Lachman, Lever sign and pivot shift tests overall and in acute or post-acute presentations. RESULTS Pooled estimates using a bivariate model for overall sensitivity and specificity respectively were as follows: anterior drawer test 83% [95% CI, 77-88] and 85% [95% CI, 64-95]; Lachman test 81% [95% CI, 73-87] and 85% [95% CI, 73-92]; pivot shift test 55% [95% CI, 47-62] and 94% [95% CI, 88-97]; Lever sign test 83% [95% CI, 68-92] and 91% [95% CI, 83-95]. For specific presentations, the sensitivity and specificity of the Lachman test, respectively, were: complete tears 68% [95% CI, 54-79] and 79% [95% CI, 51-93]; post-acute injuries 70% [95% CI, 57-80] and 77% [95% CI, 53-91]. CONCLUSIONS The pivot shift and Lever sign were the best tests overall for ruling in or ruling out an anterior cruciate ligament tear, respectively. The diagnostic accuracy of the Lachman test, particularly in post-acute presentations and for complete tears, is lower than previously reported. Further research is required to establish more accurate estimates for the Lachman test in acute presentations and partial ligament tears using bivariate analysis. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Pawel A Sokal
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK
- Department of Medicine, School of Medicine, University of Liverpool, Liverpool, L69 3GE, UK
| | - Richard Norris
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK
- Department of Trauma and Orthopaedics, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Lower Lane, Fazakerley, Liverpool, L9 7AL, UK
| | - Thomas W Maddox
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK
- Small Animal Teaching Hospital, Institute of Infection, Veterinary and Ecological Sciences, Faculty of Health and Life Sciences, University of Liverpool, Leahurst Campus, Chester High Road, Neston, CH64 7TE, Wirral, UK
| | - Rachel A Oldershaw
- Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, Faculty of Health and Life Sciences, University of Liverpool, William Henry Duncan Building, 6 West Derby Street, Liverpool, L7 8TX, UK.
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23
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Campón Chekroun A, Velázquez-Saornil J, Guillén Vicente I, Sánchez Milá Z, Rodríguez-Sanz D, Romero-Morales C, Fernandez-Jaén T, Garrido González JI, Sánchez-Garrido MÁ, Guillén García P. Consensus Delphi study on guidelines for the assessment of anterior cruciate ligament injuries in children. World J Orthop 2022; 13:777-790. [PMID: 36189335 PMCID: PMC9516626 DOI: 10.5312/wjo.v13.i9.777] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 06/16/2022] [Accepted: 08/17/2022] [Indexed: 02/06/2023] Open
Abstract
Background: Knee examination guidelines in minors are intended to aid decision-making in the management of knee instability. Clinical question: A Delphi study was conducted with a formal consensus process using a validated methodology with sufficient scientific evidence. A group consensus meeting was held to develop recommendations and practical guidelines for use in the assessment of instability injuries in children. Key findings: there is a lack of evidence to analyse anterior cruciate ligament injuries in children and their subsequent surgical management if necessary. Diagnostic guidelines and clinical assessment of the patient based on a thorough examination of the knee are performed and a guide to anterior cruciate ligament exploration in children is developed. Clinical application: In the absence of a strong evidence base, these established guidelines are intended to assist in that decision-making process to help the clinician decide on the most optimal treatment with the aim of benefiting the patient as much as possible. Following this expert consensus, surgical treatment is advised when the patient has a subjective sensation of instability accompanied by a pivot shift test ++, and may include an anterior drawer test + and a Lachman test +. If these conditions are not present, the conservative approach should be chosen, as the anatomical and functional development of children, together with a physiotherapy programme, may improve the evolution of the injury.
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Affiliation(s)
| | | | - Isabel Guillén Vicente
- Department of Orthopaedic and Trauma Surgery, Clínica Cemtro, Madrid 28035, Madrid, Spain
| | - Zacarías Sánchez Milá
- Department of Physiotherapy, Universidad Católica de Ávila, Ávila 05005, Ávila, Spain
| | - David Rodríguez-Sanz
- Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid 28040, Madrid, Spain
| | - Carlos Romero-Morales
- Department of Physical Therapy, Universidad Europea de Madrid, Madrid 28023, Madrid, Spain
| | - Tomas Fernandez-Jaén
- Department of Orthopaedic and Trauma Surgery, Clínica Cemtro, Madrid 28035, Madrid, Spain
| | | | | | - Pedro Guillén García
- Department of Orthopaedic and Trauma Surgery, Clínica Cemtro, Madrid 28035, Madrid, Spain
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24
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Sabatini L, Capella M, Vezza D, Barberis L, Camazzola D, Risitano S, Drocco L, Massè A. Anterolateral complex of the knee: State of the art. World J Orthop 2022; 13:679-692. [PMID: 36159618 PMCID: PMC9453282 DOI: 10.5312/wjo.v13.i8.679] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/07/2022] [Accepted: 07/25/2022] [Indexed: 02/06/2023] Open
Abstract
Rotatory instability of the knee represents the main reason for failure and poor clinical outcomes regarding anterior cruciate ligament (ACL) reconstruction techniques. It is now clear that the anterolateral complex (ALC) of the knee possesses a fundamental role, in association with the ACL, in controlling internal rotation. Over the past decade, ever since the anterolateral ligament has been identified and described as a distinct structure, there has been a renewed interest in the scientific community about the whole ALC: Lateral extra-articular tenodesis have made a comeback in association with ACL reconstructions to improve functional outcomes, reducing the risks of graft failure and associated injuries. Modern ACL reconstruction surgery must therefore investigate residual instability and proceed, when necessary, to extra-articular techniques, whether functional tenodesis or anatomical reconstruction.This review aims to investigate the latest anatomical and histological descriptions, and the role in rotational control and knee biomechanics of the ALC and its components. The diagnostic tools for its identification, different reconstruction techniques, and possible surgical indications are described.. In addition, clinical and functional results available in the literature are reported.
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Affiliation(s)
- Luigi Sabatini
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
| | - Marcello Capella
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
| | - Daniele Vezza
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
| | - Luca Barberis
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
| | - Daniele Camazzola
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
| | - Salvatore Risitano
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
| | - Luca Drocco
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
| | - Alessandro Massè
- Department of Orthopaedics and Traumatology, Università degli Studi di Torino, Torino 10126, Italy
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25
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Gupta R, Kapoor A, Singhal A, Patil BM, Bansal P. The presence of high-grade pivot shift test preoperatively is associated with inferior functional outcomes. PHYSICIAN SPORTSMED 2022; 50:306-310. [PMID: 33910466 DOI: 10.1080/00913847.2021.1924047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND The effect of high-grade preoperative pivot shift test on outcomes of anterior cruciate ligament (ACL) reconstruction surgery is not very well established. The present study was conducted to study the factors associated with high-grade pivot shift test and effect of high-grade preoperative pivot shift test on functional outcomes after ACL reconstruction surgery. METHODS Three hundred and sixty-two patients who underwent primary ACL reconstruction surgery were enrolled in the study. The pivot shift test was performed preoperatively under anesthesia in all patients. Side of the meniscal tear, if present at the time of ACL reconstruction, was documented. Patients were divided into two groups depending upon the grade of pivot shift test: group H, high-grade pivot shift (n = 84/362; 23%); and group L, low-grade pivot shift (n = 278/362; 77%). Patients were further divided into two groups depending upon the duration of injury: acute (<6 months) and chronic (>6 months). The functional assessment was done using Lysholm score and Tegner activity scale. RESULTS The presence of lateral meniscus tear (27/84 vs. 53/278) or both menisci tear (29/84 vs. 60/278) was associated with high-grade pivot shift (p < 0.05). Chronic ACL tears were also observed to be associated with high-grade pivot shift (p = 0.03). The mean Lysholm score in group H and group L patients was 93.8 ± 5.1 and 95.2 ± 5.3, respectively (p = 0.04). The mean post-op Tegner activity scale in group H was 6.8 and in group L was 7.3 (p = 0.0001). Also, 181/253 (71.5%) patients returned to same or higher level of sports activity in group L as compared to 33/72 (46%) patients in group H. The incidence of graft failure in groups H and L was 6.5% (5/77) and 1.6% (4/257; p = 0.03), respectively. CONCLUSIONS The high-grade pivot shift is associated with chronic ACL tear (>6 months) and concomitant lateral meniscus tear. The presence of high-grade pivot shift preoperatively is associated with inferior clinical outcomes and lower rate of return to sports. LEVEL OF EVIDENCE Level IV, case-control study.
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Affiliation(s)
- Ravi Gupta
- Orthopaedics Cum Project Director Sports Injury Centre and Medical Superintendent, Government Medical College Hospital, Chandigarh, India
| | - Anil Kapoor
- Department of Orthopaedics, Government Medical College Hospital, Chandigarh, India
| | - Akash Singhal
- Department of Orthopaedics, Government Medical College Hospital, Chandigarh, India
| | - Bharath Mali Patil
- Department of Orthopaedics, Government Medical College Hospital, Chandigarh, India
| | - Parth Bansal
- Department of Orthopaedics, Government Medical College Hospital, Chandigarh, India
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26
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Legnani C, Borgo E, Macchi V, Ventura A. Restoring rotational stability following anterior cruciate ligament surgery: single-bundle reconstruction combined with lateral extra-articular tenodesis versus double-bundle reconstruction. J Comp Eff Res 2022; 11:729-736. [PMID: 35642491 DOI: 10.2217/cer-2021-0248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To compare the outcomes of patients who underwent single-bundle (SB) anterior cruciate ligament (ACL) reconstruction combined with lateral extra-articular tenodesis (LET) with the outcomes of those who underwent double-bundle (DB) ACL reconstruction. Methods: 16 patients who underwent ACL hamstring SB reconstruction combined with LET (Coker-Arnold modification of the MacIntosh procedure) were retrospectively compared with 20 patients who underwent hamstring DB reconstruction at an average follow-up of 6.2 years. Assessment included Lysholm and International Knee Documentation Committee scores, objective examination and instrumented laxity test. Results: No complications were reported. Mean Lysholm and International Knee Documentation Committee scores significantly increased from preoperatively (p < 0.05). No differences were reported between the two groups with regard to point scales, anterior tibial translation and pivot-shift test (p = not significant). Conclusions: Both DB ACL reconstruction and combined LET and autologous hamstring SB ACL reconstruction are effective at providing satisfying functional outcomes and restoring rotational stability.
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Affiliation(s)
- Claudio Legnani
- IRCCS Istituto Ortopedico Galeazzi, Sports Traumatology & Minimally Invasive Articular Surgery Center, Milan, Italy
| | - Enrico Borgo
- IRCCS Istituto Ortopedico Galeazzi, Sports Traumatology & Minimally Invasive Articular Surgery Center, Milan, Italy
| | - Vittorio Macchi
- IRCCS Istituto Ortopedico Galeazzi, Sports Traumatology & Minimally Invasive Articular Surgery Center, Milan, Italy
| | - Alberto Ventura
- IRCCS Istituto Ortopedico Galeazzi, Sports Traumatology & Minimally Invasive Articular Surgery Center, Milan, Italy
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27
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Jagadeesh N, Paidipati R, Parameshwar A, Shivalingappa VM. Correlation of tibial parameters like medial, lateral posterior tibial slope and medial plateau depth with ACL injuries: randomized control study. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2022; 33:1267-1274. [PMID: 35608693 DOI: 10.1007/s00590-022-03288-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 05/05/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND This study aims to compare variables such as medial posterior tibial slope, lateral posterior tibial slope, medial tibial plateau depth calculated by preoperative MRI, and posterior tibial slope calculated by lateral knee X-ray on randomly selected patients with ACL injuries to a control group of patients without the injury. The secondary aim is to determine the critical value of these parameters and ascertain whether they can be used as a screening tool to identify at-risk individuals. METHODS Study participants included 426 subjects with noncontact knee injuries. Using stratified systematic random sampling, they were randomly divided into two equal groups of sixty, one for patients with ACL tears, and the other for those with ACL that was intact based on clinical and MRI findings. Based on the blinded assessment, MPTS, LPTS, MTPD, and PTS were assessed in MRI and lateral knee X-ray (PTS only), and the results were compared between groups using appropriate statistical models. RESULTS There were higher MPTS, LPTS, and PTS scores in the ACL tear group when compared to the control group (p < 0.01), while MTPD was lower when compared to the control group (p > 0.05). ROC analysis for predicting ACL tear revealed an area under the curve for MPTS, LPTS, PTS, and MTPD as 0.942, 0.907, 0.967, and 0.878, respectively. The critical angle for MPTS, LTPS, PTS and MTPD was 8.25°,6.75°,8.5° and 2.25 mm, respectively, which has sensitivity of 91.0%, 86.7%, 93.3% and 80%; specificity of 86.7%, 78.3%, 90.0% and 71.7%, respectively. CONCLUSIONS Medial posterior tibial slope, lateral posterior tibial slope, and posterior tibial slope were significantly higher in individuals in the ACL tear group but there was no significant difference in medial tibial plateau depth. MPTS, LPTS, and PTS are better predictors of identifying at-risk individuals predisposed to ACL injury than MTPD.
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Affiliation(s)
- Nuthan Jagadeesh
- Department of Orthopedics, Vydehi Institute of Medical Sciences, Whitefield, Bangalore, Karnataka, India.
| | - Rajashree Paidipati
- Department of Orthopedics, Vydehi Institute of Medical Sciences, Whitefield, Bangalore, Karnataka, India
| | - Ambareesh Parameshwar
- Department of Orthopedics, Vydehi Institute of Medical Sciences, Whitefield, Bangalore, Karnataka, India
| | - Vishwanath M Shivalingappa
- Department of Orthopedics, Vydehi Institute of Medical Sciences, Whitefield, Bangalore, Karnataka, India
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28
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Karpiński R, Krakowski P, Jonak J, Machrowska A, Maciejewski M, Nogalski A. Diagnostics of Articular Cartilage Damage Based on Generated Acoustic Signals Using ANN-Part II: Patellofemoral Joint. SENSORS (BASEL, SWITZERLAND) 2022; 22:3765. [PMID: 35632174 PMCID: PMC9146478 DOI: 10.3390/s22103765] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/10/2022] [Accepted: 05/15/2022] [Indexed: 12/04/2022]
Abstract
Cartilage loss due to osteoarthritis (OA) in the patellofemoral joint provokes pain, stiffness, and restriction of joint motion, which strongly reduces quality of life. Early diagnosis is essential for prolonging painless joint function. Vibroarthrography (VAG) has been proposed in the literature as a safe, noninvasive, and reproducible tool for cartilage evaluation. Until now, however, there have been no strict protocols for VAG acquisition especially in regard to differences between the patellofemoral and tibiofemoral joints. The purpose of this study was to evaluate the proposed examination and acquisition protocol for the patellofemoral joint, as well as to determine the optimal examination protocol to obtain the best diagnostic results. Thirty-four patients scheduled for knee surgery due to cartilage lesions were enrolled in the study and compared with 33 healthy individuals in the control group. VAG acquisition was performed prior to surgery, and cartilage status was evaluated during the surgery as a reference point. Both closed (CKC) and open (OKC) kinetic chains were assessed during VAG. The selection of the optimal signal measures was performed using a neighborhood component analysis (NCA) algorithm. The classification was performed using multilayer perceptron (MLP) and radial basis function (RBF) neural networks. The classification using artificial neural networks was performed for three variants: I. open kinetic chain, II. closed kinetic chain, and III. open and closed kinetic chain. The highest diagnostic accuracy was obtained for variants I and II for the RBF 9-35-2 and MLP 10-16-2 networks, respectively, achieving a classification accuracy of 98.53, a sensitivity of 0.958, and a specificity of 1. For variant III, a diagnostic accuracy of 97.79 was obtained with a sensitivity and specificity of 0.978 for MLP 8-3-2. This indicates a possible simplification of the examination protocol to single kinetic chain analyses.
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Affiliation(s)
- Robert Karpiński
- Department of Machine Design and Mechatronics, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland; (J.J.); (A.M.)
| | - Przemysław Krakowski
- Department of Trauma Surgery and Emergency Medicine, Medical University of Lublin, Staszica 11, 20-081 Lublin, Poland;
- Orthopaedic Department, Łęczna Hospital, Krasnystawska 52, 21-010 Łęczna, Poland
| | - Józef Jonak
- Department of Machine Design and Mechatronics, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland; (J.J.); (A.M.)
| | - Anna Machrowska
- Department of Machine Design and Mechatronics, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland; (J.J.); (A.M.)
| | - Marcin Maciejewski
- Department of Electronics and Information Technology, Faculty of Electrical Engineering and Computer Science, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland;
| | - Adam Nogalski
- Department of Trauma Surgery and Emergency Medicine, Medical University of Lublin, Staszica 11, 20-081 Lublin, Poland;
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29
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Pivot shift and Lachman test simulation-based exploration in juvenile populations for accurately predicting anterior tibial translation. J Biomech 2022; 136:111069. [DOI: 10.1016/j.jbiomech.2022.111069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 03/08/2022] [Accepted: 03/24/2022] [Indexed: 11/20/2022]
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30
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Li Z, Li M, Du Y, Zhang M, Jiang H, Zhang R, Ma Y, Zheng Q. Femur-tibia angle and patella-tibia angle: new indicators for diagnosing anterior cruciate ligament tears in magnetic resonance imaging. BMC Sports Sci Med Rehabil 2022; 14:66. [PMID: 35418093 PMCID: PMC9009057 DOI: 10.1186/s13102-022-00462-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/05/2022] [Indexed: 11/17/2022]
Abstract
Background Femur-tibia angle (FTA) and patella-tibia angle (PTA) are two MRI measurements that reflect the rotation of the knee joint. The purposes of this study were to assess whether FTA and PTA are associated with ACL tear and to explore their roles in ACL tear diagnosis. Methods FTA, PTA, ACL angle and anterior tibial subluxation were compared between the two matched groups: ACL tear group and control group (each n = 20). Diagnostic performance was evaluated in a consecutive 120-patient cohort who underwent MR imaging of the knee and subsequently had arthroscopy. Different measurements were assessed by area under the curve (AUC) of receiver operating characteristic (ROC) curve. Results FTA and PTA increased significantly in ACL tears group when compared to the control group (4.79 and 7.36 degrees, respectively, p < 0.05). In distinguishing complete ACL tear, ACL angle had the highest AUC of 0.906 while AUC of PTA and FTA were 0.849 and 0.809. The cutoff of FTA was 80 degrees with a sensitivity of 82% and specificity of 68%, while the cutoff of PTA was 91 degrees with a sensitivity of 82% and specificity of 74%. In distinguishing partial ACL tear, FTA and PTA had the highest AUCs of 0.847 and 0.813, respectively. The calculated cutoff of FTA was 84 degrees with a sensitivity of 90% and specificity of 81%, while the cutoff of PTA was 92 degrees with a sensitivity of 80% and specificity of 77%. Conclusion FTA and PTA increased when ACL tears and they might be valuable in diagnosing ACL tears, especially in distinguishing partial ACL tear from intact ACL.
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Affiliation(s)
- Zeng Li
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Mengyuan Li
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Yan Du
- Clinical Research Unit, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200011, China
| | - Mo Zhang
- Clinical Research Unit, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200011, China
| | - Hai Jiang
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Ruiying Zhang
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Yuanchen Ma
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China.
| | - Qiujian Zheng
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China.
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31
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Lindanger L, Strand T, Mølster AO, Solheim E, Fischer-Bredenbeck C, Ousdal OT, Inderhaug E. Predictors of Osteoarthritis Development at a Median 25 Years After Anterior Cruciate Ligament Reconstruction Using a Patellar Tendon Autograft. Am J Sports Med 2022; 50:1195-1204. [PMID: 35234531 DOI: 10.1177/03635465221079327] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Few studies have investigated the outcome ≥20 years after an anterior cruciate ligament reconstruction (ACLR) with a bone-patellar tendon-bone autograft, and there is a wide range in the reported rates of radiographic osteoarthritis (OA). PURPOSE To report on radiographic OA development and to assess risk factors of knee OA at a median 25 years after ACLR with a bone-patellar tendon-bone autograft. STUDY DESIGN Case-control study; Level of evidence, 3. METHODS Unilateral ACLRs performed at a single center from 1987 to 1994 were included (N = 235). The study population was followed prospectively with clinical testing and questionnaires. Results from the 3-month, 12-month, and median 25-year follow-up are presented. In addition, a radiographic evaluation was performed at the final follow-up. Radiographic OA was defined as Kellgren-Lawrence grade ≥2 or having undergone ipsilateral knee replacement surgery. Possible predictors of OA development included patient age, sex, time from injury to surgery, use of a Kennedy ligament augmentation device, any concomitant meniscal surgery, and return to preinjury sports after surgery. RESULTS At long-term follow-up, 60% (141/235) of patients had radiographic OA in the involved knee and 18% (40/227) in the contralateral knee (P < .001). Increased age at surgery, male sex, increased time between injury and surgery, a Kennedy ligament augmentation device, and medial and lateral meniscal surgery were significant predictors of OA development in univariate analyses. Return to preinjury level of sports after surgery was associated with less development of OA. In the multivariate model, medial meniscal surgery and lateral meniscal surgery were independently associated with OA development. The adjusted odds ratio was 1.88 (95% CI, 1.03-3.43; P = .041) for medial meniscal surgery and 1.96 (95% CI, 1.05-3.67; P = .035) for lateral meniscal surgery. Patients who had developed radiographic signs of OA had significantly lower Knee injury and Osteoarthritis Outcome Score and Lysholm scores at long-term follow-up. CONCLUSION At 25 years after ACLR, 60% of patients had developed OA in the involved knee, and these patients reported significantly lower subjective outcomes. Medial meniscal surgery and lateral meniscal surgery were independent predictors of OA development at long-term follow-up.
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Affiliation(s)
- Line Lindanger
- Department of Orthopedics, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Torbjørn Strand
- Department of Orthopedics, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Orthopedics, Haukeland University Hospital, The Coastal Hospital at Hagevik, Bergen, Norway
| | - Anders Odd Mølster
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Eirik Solheim
- Department of Orthopedics, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
| | | | | | - Eivind Inderhaug
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway.,Department of Orthopedics, Haukeland University Hospital, Bergen, Norway
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32
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Karpiński R, Krakowski P, Jonak J, Machrowska A, Maciejewski M, Nogalski A. Diagnostics of Articular Cartilage Damage Based on Generated Acoustic Signals Using ANN-Part I: Femoral-Tibial Joint. SENSORS 2022; 22:s22062176. [PMID: 35336346 PMCID: PMC8950358 DOI: 10.3390/s22062176] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/02/2022] [Accepted: 03/09/2022] [Indexed: 02/01/2023]
Abstract
Osteoarthritis (OA) is a chronic, progressive disease which has over 300 million cases each year. Some of the main symptoms of OA are pain, restriction of joint motion and stiffness of the joint. Early diagnosis and treatment can prolong painless joint function. Vibroarthrography (VAG) is a cheap, reproducible, non-invasive and easy-to-use tool which can be implemented in the diagnostic route. The aim of this study was to establish diagnostic accuracy and to identify the most accurate signal processing method for the detection of OA in knee joints. In this study, we have enrolled a total of 67 patients, 34 in a study group and 33 in a control group. All patients in the study group were referred for surgical treatment due to intraarticular lesions, and the control group consisted of healthy individuals without knee symptoms. Cartilage status was assessed during surgery according to the International Cartilage Repair Society (ICRS) and vibroarthrography was performed one day prior to surgery in the study group. Vibroarthrography was performed in an open and closed kinematic chain for the involved knees in the study and control group. Signals were acquired by two sensors placed on the medial and lateral joint line. Using the neighbourhood component analysis (NCA) algorithm, the selection of optimal signal measures was performed. Classification using artificial neural networks was performed for three variants: I—open kinetic chain, II—closed kinetic chain, and III—open and closed kinetic chain. Vibroarthrography showed high diagnostic accuracy in determining healthy cartilage from cartilage lesions, and the number of repetitions during examination can be reduced only to closed kinematic chain.
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Affiliation(s)
- Robert Karpiński
- Department of Machine Design and Mechatronics, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland; (J.J.); (A.M.)
- Correspondence: (R.K.); (P.K.)
| | - Przemysław Krakowski
- Department of Trauma Surgery and Emergency Medicine, Medical University of Lublin, Staszica 11, 20-081 Lublin, Poland;
- Orthopaedic Department, Łęczna Hospital, Krasnystawska 52 str, 21-010 Łęczna, Poland
- Correspondence: (R.K.); (P.K.)
| | - Józef Jonak
- Department of Machine Design and Mechatronics, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland; (J.J.); (A.M.)
| | - Anna Machrowska
- Department of Machine Design and Mechatronics, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland; (J.J.); (A.M.)
| | - Marcin Maciejewski
- Department of Electronics and Information Technology, Faculty of Electrical Engineering and Computer Science, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland;
| | - Adam Nogalski
- Department of Trauma Surgery and Emergency Medicine, Medical University of Lublin, Staszica 11, 20-081 Lublin, Poland;
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Min BH, Song HK, Park KH, Kim TH, Park DY, Chung JY. Biomechanical Evaluation of Modified ACL Reconstruction with Over-the-Top Augmentation Technique. Indian J Orthop 2022; 56:812-820. [PMID: 35547346 PMCID: PMC9043071 DOI: 10.1007/s43465-021-00597-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 12/20/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND Modified ACL reconstruction with over-the-top augmentation technique (OA-ACLR) was designed to allow one-stage revision regardless of tunnel conditions as well as to offer firm stability by hybrid double-fixation. Thus, the purpose of the study is to biomechanically evaluate its effect on knee stability by comparing it with single-bundle ACL reconstruction (SB-ACLR). METHODS Ten porcine knees were sequentially tested using a custom testing system for intact ACL, ACL deficiency, SB-ACLR and OA-ACLR. First, 134-N anterior tibial load was applied, and anterior tibial translation was measured at 30°, 60°, and 90°. Then, anterior tibial translation and relative tibial rotation were measured in a combined rotatory load of 5-Nm of internal tibial torque and 10-Nm of valgus torque. RESULTS Under anterior tibial load or combined anterior and rotatory loads, SB-ACLR and OA-ACLR resulted in no significant increase in anterior tibial translation at all flexion angles compared with an intact ACL group, and no significant difference was noted in anterior tibial translation between the two ACL reconstruction groups. In combined rotatory load, OA-ACLR resulted in enhanced rotational stability compared with SB-ACLR, and it more closely restored relative tibial internal rotation to the intact ACL group. CONCLUSIONS Our study showed that modified ACL reconstruction with over-the-top augmentation technique resulted in enhanced rotational stability compared to the conventional single-bundle ACL reconstruction, especially at lower flexion angle in a porcine model. Therefore, with several potential advantages as well as biomechanical superiority, our new technique could be clinically applicable in primary and revision ACL reconstruction. LEVEL OF EVIDENCE Experimental.
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Affiliation(s)
- Byoung-Hyun Min
- grid.251916.80000 0004 0532 3933Department of Orthopedic Surgery, Ajou University School of Medicine, 164 Worldcup-ro, Yongtong-gu, Suwon, 16499 Korea
| | - Hyung Keun Song
- grid.251916.80000 0004 0532 3933Department of Orthopedic Surgery, Ajou University School of Medicine, 164 Worldcup-ro, Yongtong-gu, Suwon, 16499 Korea
| | - Ki Hoon Park
- grid.251916.80000 0004 0532 3933Department of Orthopedic Surgery, Ajou University School of Medicine, 164 Worldcup-ro, Yongtong-gu, Suwon, 16499 Korea
| | - Tae Hun Kim
- grid.251916.80000 0004 0532 3933Department of Orthopedic Surgery, Ajou University School of Medicine, 164 Worldcup-ro, Yongtong-gu, Suwon, 16499 Korea
| | - Do Young Park
- grid.251916.80000 0004 0532 3933Department of Orthopedic Surgery, Ajou University School of Medicine, 164 Worldcup-ro, Yongtong-gu, Suwon, 16499 Korea
| | - Jun Young Chung
- grid.251916.80000 0004 0532 3933Department of Orthopedic Surgery, Ajou University School of Medicine, 164 Worldcup-ro, Yongtong-gu, Suwon, 16499 Korea
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Controversies in the management of anterior cruciate ligament injuries in skeletally immature patients. CURRENT ORTHOPAEDIC PRACTICE 2022. [DOI: 10.1097/bco.0000000000001089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Current trends in the anterior cruciate ligament part II: evaluation, surgical technique, prevention, and rehabilitation. Knee Surg Sports Traumatol Arthrosc 2022; 30:34-51. [PMID: 34865182 DOI: 10.1007/s00167-021-06825-z] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 11/23/2021] [Indexed: 12/14/2022]
Abstract
Clinical evaluation and management of anterior cruciate ligament (ACL) injury is one of the most widely researched topics in orthopedic sports medicine, giving providers ample data on which to base their practices. The ACL is also the most commonly treated knee ligament. This study reports on current topics and research in clinical management of ACL injury, starting with evaluation, operative versus nonoperative management, and considerations in unique populations. Discussion of graft selection and associated procedures follows. Areas of uncertainty, rehabilitation, and prevention are the final topics before a reflection on the current state of ACL research and clinical management of ACL injury. Level of evidence V.
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Klontzas ME, Vassalou EE, Karantanas AH. MRI findings of acute anterior instability of the knee in the absence of recent trauma. Acta Radiol 2021; 63:1205-1213. [PMID: 34382430 DOI: 10.1177/02841851211035910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Anterior knee instability is usually encountered in the context of trauma, with the clinical examination and imaging focusing on anterior cruciate ligament (ACL) disruption. Limited data exist on magnetic resonance imaging (MRI) of acute anterior knee instability in the absence of recent trauma. PURPOSE To provide the first comprehensive account of MRI findings in acute anterior knee laxity in the absence of acute trauma and to evaluate predictors of ACL integrity and pain. MATERIAL AND METHODS A total of 84 consecutive patients with non-traumatic knee instability were prospectively studied. Instability was assessed with Lachman's, pivot shift, and Lelli's tests. MRI findings were recorded, and ACL integrity was surgically confirmed in all 24 cases of MRI suggesting tear and in 21/60 cases of MRI suggesting no tear. Binary logistic regression models were used to identify predictors of ACL tears and pain, and Mann-Whitney U test served for comparisons between continuous variables. The study was approved by the institutional review board. RESULTS Osteoarthritis and notch bony outgrowth (NBO) were present in 44% and 42.9% of all knees, respectively. NBO did not correlate with osteoarthritis (P = 0.606). NBO (odds ratio [OR] = 4.157; P = 0.016) and ACL grafts (OR = 9.277; P = 0.01) predisposed to non-traumatic ACL tears (torn in 28.6% of total cases). Presence of osteoarthritis was predictive of pain (OR = 17.671; P < 0.001). CONCLUSION We present a comprehensive analysis of MRI findings in clinically significant non-traumatic anterior instability, showing that NBO and ACL grafts predispose in non-traumatic ACL tears, whereas osteoarthritis is the only predictor of pain.
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Affiliation(s)
- Michail E Klontzas
- Department of Medical Imaging, University Hospital of Heraklion, Heraklion, Greece
- Advanced Hybrid Imaging Systems, Institute of Computer Science, Foundation for Research and Technology (FORTH), Heraklion, Greece
- Department of Radiology, School of Medicine, University of Crete, Heraklion, Greece
| | - Evangelia E Vassalou
- Department of Medical Imaging, University Hospital of Heraklion, Heraklion, Greece
- Department of Radiology, General Hospital of Sitia, Sitia, Greece
| | - Apostolos H Karantanas
- Department of Medical Imaging, University Hospital of Heraklion, Heraklion, Greece
- Advanced Hybrid Imaging Systems, Institute of Computer Science, Foundation for Research and Technology (FORTH), Heraklion, Greece
- Department of Radiology, School of Medicine, University of Crete, Heraklion, Greece
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Mouton C, Moksnes H, Janssen R, Fink C, Zaffagnini S, Monllau JC, Ekås G, Engebretsen L, Seil R. Preliminary experience of an international orthopaedic registry: the ESSKA Paediatric Anterior Cruciate Ligament Initiative (PAMI) registry. J Exp Orthop 2021; 8:45. [PMID: 34173077 PMCID: PMC8233435 DOI: 10.1186/s40634-021-00366-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 06/15/2021] [Indexed: 01/14/2023] Open
Abstract
Paediatric and adolescent ACL injuries are an emerging health burden, increasing at a higher rate than in adults. They compromise quality of life, affect knee structure and function, lead to the early development of osteoarthritis and are a serious economic burden due to shortened professional careers and subsequent surgeries. Up to 35% of children and adolescents will experience a second ACL injury and this population particularly at high risk of secondary intraarticular soft tissue degeneration and growth abnormalities. However, there is still a lack of high-quality outcome studies on this specific population and many knowledge gaps persist in the current treatment guidelines. It is currently unknown whether ACL reconstruction in this young population decreases the risk of irreversible secondary intraarticular soft tissue degeneration. Furthermore, it is not known whether return to high or elite level sports after paediatric ACL injury or reconstruction should be recommended. The relatively low number of paediatric ACL injuries seen in each hospital makes it necessary to conduct international multi-centre studies to collect robust data to provide evidence-based guidelines for the treatment of these injuries. The Paediatric Anterior Cruciate Ligament Initiative (PAMI) was thus started by the European Society of Sports Traumatology, Knee Surgery & Arthroscopy and opened for patient inclusion in 2018. This comprehensive overview of the first 2 years of the PAMI registry shows that the project is now well consolidated and accepted by the European orthopaedic community. Future challenges include ensuring additional external funding to ascertain long term sustainability and continuous dissemination of the knowledge acquired in scientific journals.
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Affiliation(s)
- Caroline Mouton
- Department of Orthopaedic Surgery, Centre Hospitalier de Luxembourg - Clinique d'Eich, 78 Rue d'Eich, L-1460, Luxembourg, Luxembourg.,Luxembourg Institute of Research in Orthopaedics, Sports Medicine and Science (LIROMS), Luxembourg, Luxembourg
| | - Håvard Moksnes
- Oslo Sports Trauma Research Centre (OSTRC), Norwegian School of Sports Sciences, Oslo, Norway
| | - Rob Janssen
- Department of Orthopaedic Surgery & Trauma, Máxima Medical Center, Eindhoven-Veldhoven, The Netherlands.,Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Value-Based Health Care, Department of Paramedical Sciences, Fontys University of Applied Sciences, Eindhoven, The Netherlands
| | - Christian Fink
- Gelenkpunkt - Sports and Joint Surgery, Innsbruck, Austria.,Research Unit for Orthopaedic Sports Medicine and Injury Prevention (OSMI), UMIT Tirol, Hall, Austria
| | - Stefano Zaffagnini
- IIa Clinica Ortopedica E Traumatologica, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Juan Carlos Monllau
- Hospital del Mar / Hospital Universitari Dexeus, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Guri Ekås
- Oslo Sports Trauma Research Centre (OSTRC), Norwegian School of Sports Sciences, Oslo, Norway.,Department of Orthopedic Surgery, Akershus University Hospital, Lørenskog, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Lars Engebretsen
- Oslo Sports Trauma Research Centre (OSTRC), Norwegian School of Sports Sciences, Oslo, Norway.,Department of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway
| | - Romain Seil
- Department of Orthopaedic Surgery, Centre Hospitalier de Luxembourg - Clinique d'Eich, 78 Rue d'Eich, L-1460, Luxembourg, Luxembourg. .,Luxembourg Institute of Research in Orthopaedics, Sports Medicine and Science (LIROMS), Luxembourg, Luxembourg. .,Human Motion, Orthopaedics, Sports Medicine and Digital Methods, Luxembourg Institute of Health, Luxembourg, Luxembourg.
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Lindanger L, Strand T, Mølster AO, Solheim E, Inderhaug E. Effect of Early Residual Laxity After Anterior Cruciate Ligament Reconstruction on Long-term Laxity, Graft Failure, Return to Sports, and Subjective Outcome at 25 Years. Am J Sports Med 2021; 49:1227-1235. [PMID: 33656379 DOI: 10.1177/0363546521990801] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND In spite of supposedly successful surgery, slight residual knee laxity may be found at follow-up evaluations after anterior cruciate ligament reconstruction (ACLR), and its clinical effect is undetermined. PURPOSE To investigate whether a 3- to 5-mm increase in anterior translation 6 months after ACLR affects the risk of graft failure, rate of return to sports, and long-term outcome. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS From a cohort of 234 soccer, team handball, and basketball players undergoing ACLR using bone-patellar tendon-bone graft, 151 athletes were included who attended 6-month follow-up that included KT-1000 arthrometer measures. A tight graft was defined as <3-mm side-to-side difference between knees (n = 129), a slightly loose graft as 3 to 5 mm (n = 20), and a loose graft as >5 mm (n = 2). Graft failure was defined as ACL revision surgery, >5-mm side-to-side difference, or anterolateral rotational instability 2+ or 3+ at 2-year follow-up. Finally, a 25-year evaluation was performed, including a clinical examination and questionnaires. RESULTS The rate of return to pivoting sports was 74% among athletes with tight grafts and 70% among those with slightly loose grafts. Also, return to preinjury level of sports was similar between those with slightly loose and tight grafts (40% vs 48%, respectively), but median duration of the sports career was longer among patients with tight grafts: 6 years (range, 1-25 years) vs 2 years (range, 1-15 years) (P = .01). Five slightly loose grafts (28%) and 6 tight grafts (5%) were classified as failures after 2 years (P = .002). Thirty percent (n = 6) of patients with slightly loose grafts and 6% (n = 8) with tight grafts had undergone revision (P = .004) by follow-up (25 years, range, 22-30 years). Anterior translation was still increased among the slightly loose grafts as compared with tight grafts at long-term follow-up (P < .05). In patients with tight grafts, 94% had a Lysholm score ≥84 after 24 months and 58% after 25 years, as opposed to 78% (P = .02) and 33% (P = .048), respectively, among patients with slightly loose grafts. CONCLUSION A slightly loose graft at 6 months after ACLR increased the risk of later ACL revision surgery and/or graft failure, reduced the length of the athlete's sports career, caused permanent increased anterior laxity, and led to an inferior Lysholm score.
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Affiliation(s)
- Line Lindanger
- Department of Orthopedics, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Torbjørn Strand
- Department of Orthopedics, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Orthopedics, Haukeland University Hospital, The Coastal Hospital at Hagevik, Bergen, Norway
| | - Anders Odd Mølster
- Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Eirik Solheim
- Department of Orthopedics, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Eivind Inderhaug
- Department of Orthopedics, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway
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Kohn L, Rembeck E, Rauch A. [Anterior cruciate ligament injury in adults : Diagnostics and treatment]. DER ORTHOPADE 2020; 49:1013-1028. [PMID: 33084915 PMCID: PMC7653792 DOI: 10.1007/s00132-020-03997-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The anterior cruciate ligament (ACL) together with the posterior cruciate ligament is the central stabilizer of the knee. It stabilizes the tibia against increased anterior translation and internal rotation. With an incidence of 46/100,000 ACL tears are among the most common sports injuries in Germany. New prevention programs can reduce the risk of ACL injuries. Surgical treatment is recommended for young and athletic patients as it can also reduce the risk of further relevant injuries of the meniscus and cartilage. The standard of surgical treatment in Germany is the ACL reconstruction with an autologous tendon graft. In selected cases, the preservation of the ACL by arthroscopic refixation shows good results. Instead of the previously used purely time-based rehabilitation, function-based criteria are increasingly being included in the aftercare.
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Affiliation(s)
- L Kohn
- Klinik für Unfallchirurgie und Orthopädie, Krankenhaus Landshut-Achdorf, Landshut, Deutschland
| | - E Rembeck
- Sporttraumatologie und Kniechirurgie, ATOS-Klinik München, ECOM - Praxis für Orthopädie, Sportmedizin & Unfallchirurgie, München, Deutschland
| | - A Rauch
- Sporttraumatologie und Kniechirurgie, ATOS-Klinik München, ECOM - Praxis für Orthopädie, Sportmedizin & Unfallchirurgie, München, Deutschland.
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Non-invasive computer navigation can quantify the pivot shift maneuver with good to excellent reliability in healthy volunteers. J Exp Orthop 2020; 7:22. [PMID: 32303912 PMCID: PMC7163905 DOI: 10.1186/s40634-020-00239-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 04/06/2020] [Indexed: 01/27/2023] Open
Abstract
PURPOSE The aim of this study was to determine the inter- and intra-observer reliability of knee laxity assessment using a non-invasive navigation system in a population of healthy young athletes. It was hypothesized that knee laxity parameters recorded using non-invasive computer navigation would demonstrate good inter- and intra-observer reliability. METHODS Healthy volunteers aged between 18 to 30 years were recruited to the study. Static and dynamic knee laxity parameters including anterior tibial translation and tibial rotation during the pivot shift test were recorded on awake patients using non-invasive computer navigation by two independent observers: at the first visit each athlete was evaluated by the consultant and resident surgeons independently; 6 weeks after the first visit all the participants were re-tested only by the resident surgeon. Inter- and intra-observer reliability was calculated and then interpreted according to Cicchetti's criteria. RESULTS One hundred healthy volunteers were recruited to the study, of these 38 were women (38%), and the average age was 25.5 ± 2.4 years. According to Cicchetti's criteria the intra- and inter-observer reliability for static measurements were fair for anterior tibial translation (0.572 and 0.529, respectively) and excellent for total passive tibial rotation (0.859 and 0.883, respectively). For the dynamic measurements of translation and rotation during the pivot shift maneuver both measurements demonstrated good to excellent reliability with intra and inter observer reliability ranging from 0.684 to 0.936. CONCLUSION Non-invasive navigation for the assessment of knee laxity is associated with fair to excellent inter- and intra-observer reliability in a population of healthy volunteers.
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Ramp lesions of the medial meniscus are associated with a higher grade of dynamic rotatory laxity in ACL-injured patients in comparison to patients with an isolated injury. Knee Surg Sports Traumatol Arthrosc 2020; 28:1023-1028. [PMID: 31250053 DOI: 10.1007/s00167-019-05579-z] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 06/17/2019] [Indexed: 12/11/2022]
Abstract
PURPOSE The purpose of this study was to compare preoperative knee laxity between two groups of patients with primary or revision ACL reconstruction with or without an associated ramp lesion of the medial meniscus. METHODS Two-hundred and seventy-five patients with an ACL reconstruction (243 primaries; 32 revisions) were prospectively screened using direct arthroscopic visualisation and divided into a ramp lesion group (RLG) and a control group (CG) regardless of the presence of other associated meniscal tears. All patients were clinically examined under anaesthesia before surgery by grading the Lachman and pivot shift tests. RESULTS Fifty-eight patients were included in the RLG. The CG included 217 patients. With all meniscus lesions included, there were no significant differences between the two groups. After excluding all other meniscus lesions in both groups except for ramp lesions in the RLG, the prevalence of a grade III pivot shift was higher in the RLG (32 remaining patients; 47% grade III) compared to the CG (91 remaining patients; 24% grade III, p = 0.02). The difference of patients with a grade III pivot shift between the CG and RLG remained significant after removal of revision ACL reconstructions (CG, 85 remaining patients; 25% grade III-RLG, 27 remaining patients; 44% grade III, p = 0.05). CONCLUSION Patients with an isolated ramp lesion of the medial meniscus in association with an ACL injury displayed a higher amount of dynamic rotational laxity as expressed by the pivot shift test in comparison to patients with isolated ACL injury and no ramp lesion. The association between ramp lesions of the medial meniscus and increased pivot shift grading suggests that it is important to diagnose and repair them during ACL reconstruction surgery. LEVEL OF EVIDENCE III.
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Colbrunn RW, Dumpe JE, Nagle TF, Kolmodin JD, Barsoum WK, Saluan PM. Robotically Simulated Pivot Shift That Represents the Clinical Exam. J Orthop Res 2019; 37:2601-2608. [PMID: 31410883 DOI: 10.1002/jor.24439] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 07/24/2019] [Indexed: 02/04/2023]
Abstract
A thorough understanding of anterior cruciate ligament (ACL) function and the effects of surgical interventions on knee biomechanics requires robust technologies and simulation paradigms that align with clinical insight. In vitro orthopedic biomechanical testing for the elucidation of ACL integrity doesn't have an established testing paradigm to simulate the clinical pivot shift exam on cadaveric specimens. The study aim was to develop a robotically simulated pivot shift that represents the clinical exam. An orthopedic surgeon performed a pivot shift on an instrumented ACL-deficient cadaver leg to capture 6 degree-of-freedom motion/loads. The same knee was mounted to the robot and the sensitivity of the motion/loading profiles quantified. Three loading profile candidates that generated positive pivot shifts on the instrumented knee were selected and applied to 7 ACL-intact/deficient specimens and resulted in the identification of a profile that was able to induce a positive pivot shift in all ACL-deficient specimens ( p < 0.001). The simulated shifts began at 22 ± 8° and ended at 33 ± 6° of flexion with the average magnitude of the shifts being 12.8 ± 3.2 mm in anterior tibial translation and 17.6 ± 4.3° in external tibial rotation. The establishment and replication of a robotically simulated clinical pivot shift across multiple specimens show the robustness of the loading profile to accommodate anatomical and experimental variability. Further evaluation and refinement should be undertaken to create a useful tool in evaluating ACL function and reconstruction techniques. Statement of clinical significance: Creation and successful demonstration of the simulated clinical pivot shift validates a profile for robotic musculoskeletal simulators to analyze ACL related clinical questions. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:2601-2608, 2019.
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Affiliation(s)
- Robb W Colbrunn
- Department of Biomedical Engineering, Lerner Research Institute, and Orthopaedic and Rheumatologic Research Center, Cleveland Clinic, 9500 Euclid Ave., Cleveland, Ohio, 44195
| | - Jarrod E Dumpe
- Orthopaedic Trauma Institute, Navicent Health Physician Group, Macon, Georgia
| | - Tara F Nagle
- Department of Biomedical Engineering, Lerner Research Institute, and Orthopaedic and Rheumatologic Research Center, Cleveland Clinic, 9500 Euclid Ave., Cleveland, Ohio, 44195
| | | | - Wael K Barsoum
- Department of Orthopaedic Surgery, Cleveland Clinic Florida-Weston, and Orthopaedic and Rheumatologic Research Center, Cleveland Clinic, Cleveland, Ohio
| | - Paul M Saluan
- Department of Orthopaedic Surgery, and Orthopaedic and Rheumatologic Research Center, Cleveland Clinic, Cleveland, Ohio
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Revision ACL reconstruction using quadriceps or hamstring autografts leads to similar results after 4 years: good objective stability but low rate of return to pre-injury sport level. Knee Surg Sports Traumatol Arthrosc 2019; 27:3527-3535. [PMID: 30820606 DOI: 10.1007/s00167-019-05444-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 02/25/2019] [Indexed: 01/13/2023]
Abstract
PURPOSE Due to the increased importance of revision ACL reconstruction, this study aims to evaluate the outcome 4 years after the surgery, compare two revision strategies and identify factors that influence the results. METHODS Seventy-nine patients who received a revision ACL reconstruction were retrospectively evaluated. All patients were assessed with an average follow-up of 4.4 years (range 3.3-5.5 years). The results of patients treated with a quadriceps autograft were compared with those treated with a hamstring autograft. RESULTS Ninety-seven percent of patients had a KT-1000 side-to-side difference of ≤ 5 mm (mean 1.7 ± 2.0 mm). Pivot-shift test was absent or minor in 95%. In the SLTH-test, 70% of patients reached 90% of the contralateral side. The mean Lysholm score on follow-up was 83 ± 12 (56% excellent/good). The mean IKDC 2000 subjective evaluation score was 81 ± 14 (58% normal/almost normal). The median Tegner activity score was 6 (range 3-10), a median of 2 levels worse than before the first injury. Return to sport rate was 89% but only 34% of patients reached their pre-injury sport level. Most common cause for this reduction was fear of another injury. Three patients suffered a re-rupture. Patients with a hamstring autograft performed pivoting sports more often, but had worse pivot-shift results compared to those with a quadriceps autograft. No significant influence was seen for other parameters. Young, male patients with a high activity level and no chondral damage had the best results. CONCLUSION Through revision ACL reconstruction, the goal of stabilizing the knee can be achieved in the majority of patients. However, a good function and a high activity level are significantly less common in these patients. The main reason for this is fear of a renewed ACL-injury. Both quadriceps and hamstring autografts were able to achieve a good outcome. Young, male, patients with a normal BMI, a high activity level and without cartilage damage seem to benefit the most from revision ACL surgery. The discrepancy between the good laxity restoration and the lower activity rate should therefore be a main point in clinical counseling when deciding for or against revision ACL-Reconstruction. LEVEL OF EVIDENCE III.
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Comparison of Diagnostic Accuracy of Physical Examination and MRI in the Most Common Knee Injuries. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9194102] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Purpose: This study evaluated the diagnostic accuracy of physical examination and magnetic resonance imaging (MRI) in knee injuries. Methods: Ninety-six patients at a regional hospital were included in the study. Each participant underwent a physical examination in which menisci and ACL were evaluated. Knee joint MRI was collected from each patient. Physical examination and MRI scans were then compared with knee arthroscopy findings as a golden standard for meniscal and ligamentous lesions. The data were analyzed and specificity and sensitivity were calculated and correlated on receiver operating characteristics (ROC) curves. Results: Knee arthroscopy diagnosed 32 total ACL ruptures, 45 medial meniscus and 17 lateral meniscus lesions. Three patients were diagnosed with bilateral meniscal lesions. The highest sensitivities were the McMurray test (87.5%) for medial meniscus (MM) and the Thessaly test (70%) for lateral meniscus (LM). The most sensitive ACL test was Lachman (84.5%), whereas, the pivot shift and Lelli tests were the most specific (98.5%). MRI was highly sensitive for MM (96%) with specificity of 52%. MRI showed lower sensitivity (70%) and higher specificity (85.5%) for LM. The specificity of MRI for ACL rupture was 92%, with sensitivity only 75%. Conclusion: McMurray and Apley tests for meniscal lesions seem the most appropriate in daily practice. A combination of lever signs, pivot shifts (PSs) and Lachman tests showed the best sensitivity and specificity in detecting ACL deficiency, and was superior to MRI.
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Kwapisz A, Mollison S, McRae S, MacDonald P. Lateral Extra-articular Tenodesis With Proximal Staple Fixation. Arthrosc Tech 2019; 8:e821-e825. [PMID: 31700777 PMCID: PMC6823835 DOI: 10.1016/j.eats.2019.03.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 03/19/2019] [Indexed: 02/03/2023] Open
Abstract
A technique for lateral extra-articular tenodesis using proximal staple fixation is described as an adjunct to anterior cruciate ligament (ACL) reconstruction. Lateral extra-articular tenodesis has been used in an effort to decrease failure rates in ACL-deficient patients with ligamentous laxity, prior failed ACL surgery, or grade 3 pivot-shift findings. Numerous surgeons have described combining ACL reconstruction with extra-articular surgery. The approach described in this article is easy and cost-effective. Moreover, because this technique uses a staple instead of a SwiveLock (Arthrex, Naples, FL) or other suture anchor, it limits the chance of conflicting with the tunnels for the ACL because there is no need to drill or punch additional tunnels.
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Affiliation(s)
| | | | - Sheila McRae
- Address correspondence to Sheila McRae, Ph.D., Pan Am Clinic and University of Manitoba, 75 Poseidon Bay, Winnipeg, MB, Canada.
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Jaecker V, Ibe P, Endler CH, Pfeiffer TR, Herbort M, Shafizadeh S. High Risk of Tunnel Convergence in Combined Anterior Cruciate Ligament Reconstruction and Lateral Extra-articular Tenodesis. Am J Sports Med 2019; 47:2110-2115. [PMID: 31194569 DOI: 10.1177/0363546519854220] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Lateral extra-articular tenodesis (LET) is being increasingly added to primary and revision anterior cruciate ligament (ACL) reconstruction to address residual anterolateral rotatory instability. However, currently there is a lack of knowledge on how close the femoral tunnels are when combining these procedures. PURPOSE/HYPOTHESES To assess the risk of tunnel convergence in combined ACL and LET procedures using 2 different surgical techniques (Lemaire and MacIntosh). It was hypothesized that the risk of tunnel convergence would be greater when using the more distally located Lemaire position. The authors further hypothesized that tunnel proximity would be influenced by knee size. STUDY DESIGN Controlled laboratory study. METHODS Ten fresh-frozen cadaveric knees were used for this study. In each specimen, an anatomic ACL femoral tunnel and 2 LET tunnels were drilled using the Lemaire and MacIntosh positions, respectively. After knee dissection, minimal distances between each ACL and LET tunnel were directly measured on the lateral femoral cortex. Furthermore, computed tomography scans were obtained to measure intertunnel convergence and lateral femoral condyle (LFC) width. On the basis of the average LFC width, knees were divided into large and small knees to determine a relationship between knee size and tunnel convergence. RESULTS Convergence of ACL and LET tunnels occurred in 7 of 10 cases (70%) using the Lemaire attachment position. All tunnel collisions occurred directly on the lateral femoral cortex, while intertunnel (intramedullary) conflicts were not observed. Collisions emerged in both small (n = 4) and large (n = 3) knees. Critical tunnel convergence did not occur using the MacIntosh position. The mean minimal distance between the LET and ACL tunnel using the Lemaire and MacIntosh positions was 3.1 ± 4.6 mm and 9.8 ± 5.4 mm, respectively. CONCLUSION Tunnel convergence was more frequently observed in combined ACL and LET reconstruction using the Lemaire technique, independent of the knee size. LET femoral tunnel positioning according to the MacIntosh reconstruction was not associated with tunnel collision. CLINICAL RELEVANCE These findings help to raise the awareness for the risk of tunnel convergence in combined ACL and LET procedures. Surgeons may contemplate adjustments on the ACL femoral tunnel drilling technique or fixation device when applying an additional Lemaire procedure. However, in the absence of clinical outcome studies comparing different LET techniques, it remains unclear which technique is superior in a clinical setting.
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Affiliation(s)
- Vera Jaecker
- Department of Trauma and Orthopaedic Surgery, Witten/Herdecke University, Cologne Merheim Medical Centre, Köln, Germany
| | - Philip Ibe
- Department of Orthopaedic Surgery and Sports Traumatology, Beta Clinic Bonn, Bonn, Germany
| | - Christoph H Endler
- Department of Radiology and Radiation Oncology, University Hospital Bonn, Rheinische-Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
| | - Thomas R Pfeiffer
- Department of Trauma and Orthopaedic Surgery, Witten/Herdecke University, Cologne Merheim Medical Centre, Köln, Germany
| | - Mirco Herbort
- Orthopaedic Surgery Munich, OCM Klinik GmbH, München, Germany
| | - Sven Shafizadeh
- Department of Orthopaedic Surgery and Sports Traumatology, Witten/Herdecke University, Sana Medical Centre Cologne, Köln, Germany
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Distal femur morphology affects rotatory knee instability in patients with anterior cruciate ligament ruptures. Knee Surg Sports Traumatol Arthrosc 2019; 27:1514-1519. [PMID: 30374573 DOI: 10.1007/s00167-018-5269-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Accepted: 10/23/2018] [Indexed: 10/28/2022]
Abstract
PURPOSE Distal femur morphology has been shown to influence knee joint kinematics and may affect rotatory knee laxity. The purpose of this study was to determine the relationship between rotatory knee laxity and distal femoral morphology in patients with complete anterior cruciate ligament (ACL) rupture. It was hypothesized that increased posterior femoral condylar depth on standard lateral radiographs, quantified as the "lateral femoral condyle ratio" would correlate with increased rotatory knee laxity, measured by a quantitative pivot shift test. METHODS Consecutive patients who underwent ACL reconstruction from 2014 to 2016 were retrospectively reviewed. A standardized pivot shift test was performed preoperatively on both knees and quantified using tablet technology. Using standard lateral radiographs of the knee, the ratio of posterior condylar distance over total condylar distance was defined as the lateral femoral condyle ratio. RESULTS Data sets were obtained for 57 patients. The mean anterior translation of the lateral knee compartment during a quantitative pivot shift test was found to be 4.0 ± 2.4 mm and 1.3 ± 0.9 mm for the injured and uninjured knees, respectively. The mean lateral femoral condyle ratio on X-ray was 63.2 ± 4.5%. There were significant correlations between the lateral femoral condyle ratio and the absolute quantitative (ρ = 0.370, p < 0.05) and side-to-side differences in anterior translation of the lateral knee compartment (ρ = 0.419, p < 0.05). CONCLUSION The most important finding from this study is that increased posterior femoral condylar depth, quantified as a lateral femoral condyle ratio, is associated with increased rotatory knee laxity in ACL-deficient patients. This suggests that distal femur morphology may influence rotatory knee laxity. This study may assist clinicians in evaluating ACL injuries and identifying patients at greater risk for persistent increased rotatory knee laxity after ACL reconstruction. LEVEL OF EVIDENCE III.
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Smith PA, Thomas DM, Pomajzl RJ, Bley JA, Pfeiffer FM, Cook JL. A Biomechanical Study of the Role of the Anterolateral Ligament and the Deep Iliotibial Band for Control of a Simulated Pivot Shift With Comparison of Minimally Invasive Extra-articular Anterolateral Tendon Graft Reconstruction Versus Modified Lemaire Reconstruction After Anterior Cruciate Ligament Reconstruction. Arthroscopy 2019; 35:1473-1483. [PMID: 30926192 DOI: 10.1016/j.arthro.2018.11.011] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 11/02/2018] [Accepted: 11/04/2018] [Indexed: 02/02/2023]
Abstract
PURPOSE To determine whether the deep fibers of the iliotibial band (dITB) or the anterolateral ligament (ALL) provides more control of a simulated pivot shift and whether a minimally invasive anterolateral reconstruction (ALR) designed to functionally restore the ALL and dITB is mechanically equivalent to a modified Lemaire reconstruction (MLR). METHODS Six matched pairs of cadaveric knees (N = 12) were subjected to a simulated pivot shift to evaluate anteroposterior translation; internal rotation; and valgus laxity at 0°, 30°, and 90° of flexion. The anterior cruciate ligament (ACL) was sectioned in all specimens, and retesting was performed. Within each pair, sequential sectioning of the ALL and dITB was performed, followed by testing; the contralateral knee was sectioned in reverse order. Knees underwent ACL reconstruction (ACLR) and repeat testing. Then, MLR (n = 6) or ALR (n = 6) was performed on matched pairs for final testing. RESULTS Sectioning of the dITB versus ALL (after ACL sectioning) produced significantly more anterior translation at all flexion angles (P = .004, P = .012, and P = .011 for 0°, 30°, and 90°, respectively). The ACL-plus-dITB sectioned state had significantly more internal rotation at 0° versus ACL plus ALL (P = .03). ACLR plus ALR restored native anterior translation at all flexion angles. ACLR plus MLR restored anterior translation to native values only at 0° (P = .34). We found no statistically significant differences between ACLR plus ALR and ACLR plus MLR at any flexion angle for internal rotation or valgus laxity compared with the native state. CONCLUSIONS ALR of the knee in conjunction with ACLR can return the knee to its native biomechanical state without causing overconstraint. The dITB plays a more critical role in controlling anterior translation and internal rotation at 0° than the ALL. The minimally invasive ALR was functionally equivalent to MLR for restoration of knee kinematics after ACLR. CLINICAL RELEVANCE The dITB is more important than the ALL for control of the pivot shift. A minimally invasive extra-articular tendon allograft reconstruction was biomechanically equivalent to a modified Lemaire procedure for control of a simulated pivot shift.
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Affiliation(s)
- Patrick A Smith
- Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri, U.S.A.; Columbia Orthopaedic Group, Columbia, Missouri, U.S.A..
| | - Dimitri M Thomas
- Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri, U.S.A
| | - Ryan J Pomajzl
- Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri, U.S.A.; SSM Health Medical Group, Bridgeton, Missouri, U.S.A
| | - Jordan A Bley
- Columbia Orthopaedic Group, Columbia, Missouri, U.S.A
| | - Ferris M Pfeiffer
- Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri, U.S.A
| | - James L Cook
- Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri, U.S.A.; Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, U.S.A
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Abdelrazek BH, Gad AM, Abdel-Aziz A. Rotational stability after ACL reconstruction using anatomic double bundle technique versus anatomic single bundle technique plus anterolateral ligament augmentation. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.jajs.2019.01.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Weber AE, Zuke W, Mayer EN, Forsythe B, Getgood A, Verma NN, Bach BR, Bedi A, Cole BJ. Lateral Augmentation Procedures in Anterior Cruciate Ligament Reconstruction: Anatomic, Biomechanical, Imaging, and Clinical Evidence. Am J Sports Med 2019; 47:740-752. [PMID: 29401410 DOI: 10.1177/0363546517751140] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND There has been an increasing interest in lateral-based soft tissue reconstructive techniques as augments to anterior cruciate ligament reconstruction (ACLR). The objective of these procedures is to minimize anterolateral rotational instability of the knee after surgery. Despite the relatively rapid increase in surgical application of these techniques, many clinical questions remain. PURPOSE To provide a comprehensive update on the current state of these lateral-based augmentation procedures by reviewing the origins of the surgical techniques, the biomechanical data to support their use, and the clinical results to date. STUDY DESIGN Systematic review. METHODS A systematic search of the literature was conducted via the Medline, EMBASE, Scopus, SportDiscus, and CINAHL databases. The search was designed to encompass the literature on lateral extra-articular tenodesis (LET) procedures and the anterolateral ligament (ALL) reconstruction. Titles and abstracts were reviewed for relevance and sorted into the following categories: anatomy, biomechanics, imaging/diagnostics, surgical techniques, and clinical outcomes. RESULTS The search identified 4016 articles. After review for relevance, 31, 53, 27, 35, 45, and 78 articles described the anatomy, biomechanics, imaging/diagnostics, surgical techniques, and clinical outcomes of either LET procedures or the ALL reconstruction, respectively. A multitude of investigations were available, revealing controversy in addition to consensus in several categories. The level of evidence obtained from this search was not adequate for systematic review or meta-analysis; thus, a current concepts review of the anatomy, biomechanics, imaging, surgical techniques, and clinical outcomes was performed. CONCLUSION Histologically, the ALL appears to be a distinct structure that can be identified with advanced imaging techniques. Biomechanical evidence suggests that the anterolateral structures of the knee, including the ALL, contribute to minimizing anterolateral rotational instability. Cadaveric studies of combined ACLR-LET procedures demonstrated overconstraint of the knee; however, these findings have yet to be reproduced in the clinical literature. The current indications for LET augmentation in the setting of ACLR and the effect on knee kinematic and joint preservation should be the subject of future research.
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Affiliation(s)
- Alexander E Weber
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, California, USA
| | - William Zuke
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Erik N Mayer
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, California, USA
| | - Brian Forsythe
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Alan Getgood
- Fowler Kennedy Sports Clinic, Western University, London, Ontario, Canada
| | - Nikhil N Verma
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Bernard R Bach
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
| | - Asheesh Bedi
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Brian J Cole
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, USA
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