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Carretero-Gómez L, Fung M, Wiesinger F, Carl M, McKinnon G, de Arcos J, Mandava S, Arauz S, Sánchez-Lacalle E, Nagrani S, López-Alcorocho JM, Rodríguez-Íñigo E, Malpica N, Padrón M. Deep learning-enhanced zero echo time MRI for glenohumeral assessment in shoulder instability: a comparative study with CT. Skeletal Radiol 2025; 54:1263-1273. [PMID: 39572485 PMCID: PMC12000158 DOI: 10.1007/s00256-024-04830-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 10/28/2024] [Accepted: 11/01/2024] [Indexed: 04/16/2025]
Abstract
PURPOSE To evaluate image quality and lesion conspicuity of zero echo time (ZTE) MRI reconstructed with deep learning (DL)-based algorithm versus conventional reconstruction and to assess DL ZTE performance against CT for bone loss measurements in shoulder instability. METHODS Forty-four patients (9 females; 33.5 ± 15.65 years) with symptomatic anterior glenohumeral instability and no previous shoulder surgery underwent ZTE MRI and CT on the same day. ZTE images were reconstructed with conventional and DL methods and post-processed for CT-like contrast. Two musculoskeletal radiologists, blinded to the reconstruction method, independently evaluated 20 randomized MR ZTE datasets with and without DL-enhancement for perceived signal-to-noise ratio, resolution, and lesion conspicuity at humerus and glenoid using a 4-point Likert scale. Inter-reader reliability was assessed using weighted Cohen's kappa (K). An ordinal logistic regression model analyzed Likert scores, with the reconstruction method (DL-enhanced vs. conventional) as the predictor. Glenoid track (GT) and Hill-Sachs interval (HSI) measurements were performed by another radiologist on both DL ZTE and CT datasets. Intermodal agreement was assessed through intraclass correlation coefficients (ICCs) and Bland-Altman analysis. RESULTS DL ZTE MR bone images scored higher than conventional ZTE across all items, with significantly improved perceived resolution (odds ratio (OR) = 7.67, p = 0.01) and glenoid lesion conspicuity (OR = 25.12, p = 0.01), with substantial inter-rater agreement (K = 0.61 (0.38-0.83) to 0.77 (0.58-0.95)). Inter-modality assessment showed almost perfect agreement between DL ZTE MR and CT for all bone measurements (overall ICC = 0.99 (0.97-0.99)), with mean differences of 0.08 (- 0.80 to 0.96) mm for GT and - 0.07 (- 1.24 to 1.10) mm for HSI. CONCLUSION DL-based reconstruction enhances ZTE MRI quality for glenohumeral assessment, offering osseous evaluation and quantification equivalent to gold-standard CT, potentially simplifying preoperative workflow, and reducing CT radiation exposure.
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Affiliation(s)
- Laura Carretero-Gómez
- GE HealthCare, Munich, Germany.
- Medical Image Analysis and Biometry Lab, Rey Juan Carlos University, Madrid, Spain.
| | | | | | | | | | | | | | | | | | | | | | | | - Norberto Malpica
- Medical Image Analysis and Biometry Lab, Rey Juan Carlos University, Madrid, Spain
| | - Mario Padrón
- Department of Radiology, Clínica CEMTRO, Madrid, Spain
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Neubauer BE, Kuenze CM, Cherelstein RE, Nader MA, Lin A, Chang ES. Low socioeconomic indicators correlate with critical preoperative glenoid bone loss and care delays. J Shoulder Elbow Surg 2025; 34:1356-1367. [PMID: 39442860 DOI: 10.1016/j.jse.2024.08.039] [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: 05/04/2024] [Revised: 08/17/2024] [Accepted: 08/19/2024] [Indexed: 10/25/2024]
Abstract
BACKGROUND Chronic and recurrent shoulder dislocations prior to stabilization can increase the risk of glenoid bone loss. Glenoid bone loss exceeding critical levels can lead to further instability and decreased outcomes following arthroscopic labral repair. Indicators of low socioeconomic status (SES), such as high Area Deprivation Index (ADI) and noncommercial insurance, are related to generalized delays to orthopedic care, which can cause recurrent instability and increase glenoid bone loss. HYPOTHESIS Higher national ADI and noncommercial insurance would be associated with greater levels of radiographic glenoid bone loss after glenoid instability. METHODS A retrospective study was performed with patients who underwent anterior labral repair. Chart review included demographics, course of care data, preoperative instability data, national ADI, and insurance status. The Neighborhood Atlas Website and patients' home addresses were used to obtain national ADI. Glenoid bone loss was measured using the best-fit circle Pico method on three-dimensionally aligned magnetic resonance images. Researchers were blinded to SES indicators during radiographic analysis. Glenoid bone loss was compared between SES indicators using one-way analysis of variance. RESULTS One hundred forty-six patients met inclusion criteria and had complete datasets (23.3% female; 22.4 ± 7.0-year-old; national ADI = 16.1 ± 15.3). Patients experienced on average 9.12 ± 6.63% glenoid bone loss. A curve fitting tool determined a quadratic nonlinear regression best characterized the association of glenoid bone loss and ADI (R2 = 0.392, P < .001). Individuals with commercial insurance experienced 8.58% ± 6.69% glenoid bone loss as compared to 11.78% ± 6.30% in individuals with Medicaid insurance (P = .03). Critical bone loss at a threshold of 13.5% was more likely with higher national ADI (P < .001) and Medicaid insurance (OR = 2.49, CI = 1.02-6.09). However, only national ADI was predictive of subcritical bone loss at a threshold of 10% (P < .001). CONCLUSION Patients with greater national ADI and Medicaid insurance status had greater rates of critical preoperative glenoid bone loss at a threshold of 13.5%. Greater national ADI is also predictive of subcritical glenoid bone loss at a threshold of 10% and overall glenoid bone loss. Further study is needed to assess the postoperative implications of these findings in this population.
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Affiliation(s)
| | - Christopher M Kuenze
- Exercise & Sports Injury Lab, Department of Kinesiology, University of Virginia, Charlottesville, VA, USA; Inova Sports Medicine, Fairfax, VA, USA
| | | | | | - Albert Lin
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Harkin WE, McCormick JR, Trenhaile SW. Arthroscopic Humeral Head Hill-Sachs Grafting With Talus Allograft. Arthrosc Tech 2025; 14:103255. [PMID: 40207344 PMCID: PMC11977144 DOI: 10.1016/j.eats.2024.103255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2024] [Accepted: 08/04/2024] [Indexed: 04/11/2025] Open
Abstract
The presence of a Hill-Sachs lesion is a known risk factor for recurrent shoulder instability. Many procedures have been described for the treatment of off-track Hill-Sachs lesions; however, each of these techniques is fraught with potential disadvantages and complications. In this Technical Note and accompanying video, we describe our technique for arthroscopic treatment of a Hill-Sachs lesion with talus osteochondral allograft. This technique recreates native humeral head anatomy with a highly congruent graft without altering the biomechanics of the glenohumeral joint.
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Affiliation(s)
- William E. Harkin
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Johnathon R. McCormick
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A
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Caron J, Walsh K, Zhang T, AlAhmed R, MacDonald PB, Bassi C, Pollock JW, McIlquham K, Lapner P. Approach to shoulder instability: a randomized, controlled trial. JSES Int 2025; 9:290-295. [PMID: 39898192 PMCID: PMC11784472 DOI: 10.1016/j.jseint.2024.09.015] [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] [Indexed: 02/04/2025] Open
Abstract
Background The significant rate of recurrent instability following arthroscopic stabilization surgery points to a need for an evidence-based treatment approach. The instability severity index Score (ISI score) is a point-based algorithm that may be used to assist clinicians in selecting the optimal treatment approach, but its efficacy compared with a traditional treatment algorithm has not been previously validated. The aim was to compare two surgical treatment algorithms: the ISI score and a conventional treatment algorithm (CTA). Methods This was a prospective, randomized controlled trial involving participants who were randomized to either the ISI score or CTA and were followed for 24 months postrandomization. In the ISI score cohort, patients underwent a Latarjet procedure if they presented with a score >3 points. Those scoring ISI score ≦3 points underwent an arthroscopic Bankart repair. Patients randomized to the CTA group underwent a Latarjet procedure if the glenoid bone loss was > 25%. The primary outcome was the Western Ontario Shoulder Instability Index. Secondary outcomes included the American Shoulder and Elbow Surgeons score as well as recurrence rates between groups. Results Sixty-three patients were randomized to ISI score (n = 31) or CTA (n = 32). At two years, the Western Ontario Shoulder Instability Index score was similar between groups (ISI score: 84.1 ± 16.9, CTA: 85.7 ± 12.5, P = .70). Similarly, no differences were detected in American Shoulder and Elbow Surgeons scores (ISI score: 93.2 ± 16.2, CTA: 92.6 ± 9.9, P = .89). Apprehension was reported in 18.5% for the ISI score group and 20% in the CTA group (P = 1.00). At a 24-month follow-up, there was no difference in redislocations: one in ISI score group and none in the CTA group (P = .48). There were two revision surgeries in the ISI score group and two in the CTA group. Conclusion This study did not demonstrate any differences in functional outcomes, the incidence of apprehension, or failure rates between the two treatment algorithms at 24-month follow-up.
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Affiliation(s)
- Julien Caron
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Kellen Walsh
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Tinghua Zhang
- The Ottawa Methods Centre, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Rashed AlAhmed
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Peter B. MacDonald
- Section of Orthopaedic Surgery & The Pan Am Clinic, Division of Physical Medicine and Rehabilitation, University of Manitoba, Winnipeg, MB, Canada
| | - Cristina Bassi
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - J Whitcomb Pollock
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Katie McIlquham
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Peter Lapner
- Division of Orthopaedic Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
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Boden SA, Godshaw BM, Hughes JD, Musahl V, Lin A, Lesniak BP. Preoperative imaging predicts coracoid graft size and restoration of the glenoid track in Latarjet procedures. JSES Int 2025; 9:1-5. [PMID: 39898211 PMCID: PMC11784266 DOI: 10.1016/j.jseint.2024.05.012] [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] [Indexed: 02/04/2025] Open
Abstract
Background Glenoid bone grafting procedures are often utilized to address glenoid bone loss in patients with recurrent shoulder instability. The purpose of this study was to determine if preoperative advanced imaging can accurately predict coracoid graft size and conversion of off-track to on-track Hill-Sachs lesions in patients undergoing Latarjet procedures. Methods Patients who underwent Latarjet procedure for shoulder instability at a single institution from 2012 to 2020 with preoperative and postoperative advanced shoulder imaging (computerized tomography or magnetic resonance imaging scans) were retrospectively reviewed. Glenoid diameter, Hill-Sachs interval (HSI), and measurements of the coracoid length, depth, and height were measured on preoperative imaging. Glenoid track (GT), percent glenoid bone loss, predicted restoration of GT, and the difference between HSI and GT (ΔHSI-GT) were calculated. Results Seventeen patients with a mean age of 25 ± 9 years met inclusion criteria. Average glenoid bone loss preoperatively was 24 ± 7% and average HSI was 27 ± 5mm. The Latarjet procedure reconstructed 116 ± 8% of the native glenoid, and 104 ± 8% of the predicted diameter. Of the 15 patients that had off-track lesions preoperatively, 11 were successfully converted to on-track lesions (73%). The 4 persistent off-track lesions had a significantly higher HSI (32 ± 2 mm vs. 26 ± 4 mm, P = .002). Preoperative measurements accurately predicted postoperative GT status in 94% of cases. At a mean follow-up of 2 years, there was no significant difference in recurrence rate or rate of revision stabilization procedures between patients with on-track versus persistent off-track humeral lesions. Conclusion Preoperative advanced imaging measurements can accurately predict whether an off-track Hill-Sachs can be converted to on-track after Latarjet procedure, further enhancing shoulder stability.
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Affiliation(s)
- Stephanie A. Boden
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Brian M. Godshaw
- Ochsner Sports Medicine Institute, New Orleans, LA, USA
- University of Queensland School of Medicine, Brisbane, Australia
| | - Jonathan D. Hughes
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Volker Musahl
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Albert Lin
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Bryson P. Lesniak
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
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Zinner MA, Neufeld EV, Goodwillie AD. The Radiologic Evaluation and Clinical Significance of Glenohumeral Bone Loss in Anterior Shoulder Instability. J Clin Med 2024; 13:7708. [PMID: 39768631 PMCID: PMC11679992 DOI: 10.3390/jcm13247708] [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: 10/28/2024] [Revised: 11/13/2024] [Accepted: 11/21/2024] [Indexed: 01/11/2025] Open
Abstract
Glenoid and humeral bone loss is associated with a high incidence of recurrent shoulder instability and failure of arthroscopic stabilization procedures. However, the radiographic evaluation of bony Bankart and Hill-Sachs injuries continues to pose a diagnostic challenge, and a universally accepted optimal method of measurement is lacking. The purpose of this review is to summarize the advantages and disadvantages of various techniques and imaging modalities available for measuring glenoid bone loss in shoulder instability, including conventional roentgenography, 2-dimensional and 3-dimensional computed tomography (CT), and magnetic resonance imaging (MRI). We also review the concepts of engaging "on-track" and "off-track" Hill-Sachs lesions. Finally, we highlight the clinical importance of obtaining accurate determinations of bone loss by the various methods available, as it can affect surgical decision making and the appropriate procedure required to ensure shoulder stability is adequately restored.
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Affiliation(s)
- Matthew A. Zinner
- Northwell Health, New Hyde Park, NY 11040, USA (E.V.N.)
- Department of Orthopaedic Surgery, Long Island Jewish Medical Center/North Shore University Hospital, New Hyde Park, NY 11030, USA
| | - Eric V. Neufeld
- Northwell Health, New Hyde Park, NY 11040, USA (E.V.N.)
- Department of Orthopaedic Surgery, Long Island Jewish Medical Center/North Shore University Hospital, New Hyde Park, NY 11030, USA
| | - Andrew D. Goodwillie
- Northwell Health, New Hyde Park, NY 11040, USA (E.V.N.)
- Department of Orthopaedic Surgery, Long Island Jewish Medical Center/North Shore University Hospital, New Hyde Park, NY 11030, USA
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Karpyshyn J, Ma J, Wong I. Current Evidence and Techniques for Arthroscopic Bone Augmentation. Clin Sports Med 2024; 43:661-682. [PMID: 39232573 DOI: 10.1016/j.csm.2024.03.023] [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: 09/06/2024]
Abstract
The indications for bone block augmentation of the glenoid following recurrent anterior shoulder instability are expanding. Arthroscopic anatomic glenoid reconstruction (AAGR) is an evolving technique with similar clinical results to the Latarjet procedure and other open bone block procedures. Multiple types of bone grafts and fixation techniques have been described, with varying results on bony integration, resorption, articular congruity, and recurrence rates. This review focuses on biomechanics, patient workup, indications, current evidence, and the authors' preferred surgical technique for AAGR.
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Affiliation(s)
- Jillian Karpyshyn
- Division of Orthopaedics, Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Jie Ma
- Division of Orthopaedics, Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Ivan Wong
- Division of Orthopaedics, Department of Surgery, Dalhousie University, Halifax, Nova Scotia, Canada.
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Cui DD, Long Y, Yan Y, Li C, Yang YT, Zhong JL, Yang R. Three-Dimensional Magnetic Resonance Imaging Fast Field Echo Resembling a Computed Tomography Using Restricted Echo-Spacing Sequence Is Equivalent to 3-Dimensional Computed Tomography in Quantifying Bone Loss and Measuring Shoulder Morphology in Patients With Shoulder Dislocation. Arthroscopy 2024; 40:1777-1788. [PMID: 38154531 DOI: 10.1016/j.arthro.2023.12.016] [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: 08/09/2023] [Revised: 12/11/2023] [Accepted: 12/13/2023] [Indexed: 12/30/2023]
Abstract
PURPOSE To evaluate the equivalence of 3-dimensional (3D) magnetic resonance imaging (MRI) (FRACTURE [Fast field echo Resembling A CT Using Restricted Echo-spacing]) and 3D computed tomography (CT) in quantifying bone loss in patients with shoulder dislocation and measuring morphologic parameters of the shoulder. METHODS From July 2022 to June 2023, patients with anterior shoulder dislocation who were aged 18 years or older and underwent both MRI and CT within 1 week were included in the study. The MRI protocol included an additional FRACTURE sequence. Three-dimensional reconstructions of MRI (FRACTURE) and CT were completed by 2 independent observers using Mimics software (version 21.0) through simple threshold-based segmentation. For bone defect cases, 2 independent observers evaluated glenoid defect, percentage of glenoid defect, glenoid track, Hill-Sachs interval, and on-track/off-track. For all cases, glenoid width, glenoid height, humeral head-fitting sphere radius, critical shoulder angle, glenoid version, vault depth, and post-processing time were assessed. The paired t test was used to assess the differences between 3D CT and 3D MRI (FRACTURE). Bland-Altman plots were constructed to evaluate the consistency between 3D CT and 3D MRI (FRACTURE). Interobserver and intraobserver agreement was evaluated with the interclass correlation coefficient. The paired χ2 test and Cohen κ statistic were used for binary variables (on-track/off-track). RESULTS A total of 56 patients (16 with bipolar bone defect, 5 with only Hill-Sachs lesion, and 35 without bone defect) were ultimately enrolled in the study. The measurements of 21 bone defect cases showed no statistically significant differences between 3D CT and 3D MRI: glenoid defect, 4.05 ± 1.44 mm with 3D CT versus 4.16 ± 1.39 mm with 3D MRI (P = .208); percentage of glenoid defect, 16.21% ± 5.95% versus 16.61% ± 5.66% (P = .199); glenoid track, 18.02 ± 2.97 mm versus 18.08 ± 2.98 mm (P = .659); and Hill-Sachs interval, 14.29 ± 1.93 mm versus 14.35 ± 2.07 mm (P = .668). No significant difference was found between 3D CT and 3D MRI in the diagnosis of on-track/off-track (P > .999), and diagnostic agreement was perfect (κ = 1.00, P < .001). There were no statistically significant differences between the 2 examination methods in the measurements of all 56 cases, except that the post-processing time of 3D MRI was significantly longer than that of 3D CT: glenoid height, 34.56 ± 1.98 mm with 3D CT versus 34.67 ± 2.01 mm with 3D MRI (P = .139); glenoid width, 25.32 ± 1.48 mm versus 25.45 ± 1.47 mm (P = .113); humeral head-fitting sphere radius, 22.91 ± 1.70 mm versus 23.00 ± 1.76 mm (P = .211); critical shoulder angle, 33.49° ± 2.55° versus 33.57° ± 2.51° (P = .328); glenoid version, -3.25° ± 2.57° versus -3.18° ± 2.57° (P = .322); vault depth, 37.43 ± 1.68 mm versus 37.58 ± 1.75 mm (P = .164); and post-processing time, 89.66 ± 10.20 seconds versus 360.93 ± 26.76 seconds (P < .001). For all assessments, the Bland-Altman plots showed excellent consistency between the 2 examination methods, and the interclass correlation coefficients revealed excellent interobserver and intraobserver agreement. CONCLUSIONS Three-dimensional MRI (FRACTURE) is equivalent to 3D CT in quantifying bone loss in patients with shoulder dislocation and measuring shoulder morphologic parameters. LEVEL OF EVIDENCE Level II, development of diagnostic criteria (consecutive patients with consistently applied reference standard and blinding).
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Affiliation(s)
- De-Dong Cui
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yi Long
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yan Yan
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Cheng Li
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yi-Tao Yang
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jing-Lian Zhong
- Department of Radiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Rui Yang
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
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Deng Z, Lu W, Liu C, Gao S, Wu L, Ye Y, Su J, Xu J. Surgical considerations for glenoid bone loss in anterior glenohumeral instability: a narrative review. Eur J Trauma Emerg Surg 2024; 50:395-403. [PMID: 37642655 DOI: 10.1007/s00068-023-02357-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 08/21/2023] [Indexed: 08/31/2023]
Abstract
PURPOSE Treatment algorithms may consider many factors like glenoid and humeral bone loss, or scores such as the instability severity index score (ISIS). As most studies only evaluate a part of these factors, there is still no evidence-based consensus estalished. Our study aims to summarize the surgical options for treatment of glenoid bone loss (GBL) in anterior shoulder instability. METHODS Based on the current available literature, surgical options including Bankart repair and glenoid bone augmentation should be considered while taking into consideration the degree of bone loss which has been divided into < 10%, 10-20% and > 20%. RESULTS There are many new techniques evolving including arthroscopic anatomic glenoid reconstruction with bone blocks. CONCLUSION Future long-term outcome studies and randomized controlled trials comparing established techniques will be needed for new evidence-based treatment algorithms.
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Affiliation(s)
- Zhenhan Deng
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China
| | - Wei Lu
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China
| | - Cailong Liu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Shuguang Gao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Lichuang Wu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Yiheng Ye
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Jingyue Su
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China
| | - Jian Xu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang, China.
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Makovicka JL, Moore ML, Pollock JR, Rodriguez MJ, Shaha JS, Haglin JM, Tokish JM. Magnetic Resonance Imaging Analysis Demonstrates Improved Reliability in Measuring Shoulder Glenoid Bone Loss Using a Two-Thirds Glenoid Height Technique Compared to the "Best-fit Circle". Arthroscopy 2024; 40:666-671. [PMID: 37419223 DOI: 10.1016/j.arthro.2023.06.048] [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: 03/24/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/09/2023]
Abstract
PURPOSE To evaluate the superior to inferior glenoid height as a reliable reference in best-fit circle creation for glenoid anatomy. METHODS The morphology of the native glenoid was evaluated using magnetic resonance imaging (MRI) in patients without shoulder instability. Using T1 sagittal MRI images, 2 reviewers independently estimated glenoid size using the two-thirds technique and the "best-fit circle" technique at 2 different times. A Student t-test was used to determine significant difference between the two methodologies. Inter- and intra-rater reliability were calculated using interclass and intraclass coefficients. RESULTS This study included 112 patients. Using the results of glenoid height and "best-fit circle" diameter, the diameter of the "best-fit circle" was found to intersect the glenoid line at 67.8% of the glenoid height on average. We found no significant difference between the 2 measures of glenoid diameter (27.6 vs 27.9, P = .456). The interclass and intraclass coefficients for the two-third method were 0.85 and 0.88, respectively. The interclass and intraclass coefficients for the perfect circle methods were 0.84 and 0.73, respectively. CONCLUSIONS We determined that the diameter of a circle placed on the inferior glenoid using the "best-fit circle" technique corresponds to 67.8% of the glenoid height. Additionally, we found that constructing a perfect circle using a diameter equal to two-thirds the height of the glenoid may improve intraclass reliability. LEVEL OF EVIDENCE Level IV, retrospective cohort study.
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Affiliation(s)
| | - M Lane Moore
- Mayo Clinic Alix School of Medicine, Scottsdale, Arizona.
| | | | - Marina J Rodriguez
- Department of Orthopedic Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland, U.S.A
| | - James S Shaha
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix
| | - Jack M Haglin
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix
| | - John M Tokish
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix
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Liow RYL, Adam J, Holland P, Bhatti A. Bulk osteochondral allograft for massive Hill-Sachs defect combined with Latarjet procedure for bipolar bone loss in anterior instability. Shoulder Elbow 2024; 16:106-113. [PMID: 38435034 PMCID: PMC10902417 DOI: 10.1177/17585732221146177] [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: 05/13/2022] [Revised: 11/20/2022] [Accepted: 11/28/2022] [Indexed: 03/05/2024]
Abstract
A proportion of patients with anterior glenohumeral instability present with bipolar bone loss comprising large Hill-Sachs lesions and substantial glenoid defect. These are surgically difficult cases to treat. We describe a novel surgical procedure of bulk size-matched osteochondral allograft reconstruction for massive Hill-Sachs lesions combined with the Latarjet procedure for these challenging cases.
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Affiliation(s)
- Raymond Y L Liow
- Department of Trauma and Orthopaedics, North Tees and Hartlepool NHS Foundation Trust, Stockton-on-Tees, UK
| | - John Adam
- Department of Trauma and Orthopaedics, South Tees Hospitals NHS Foundation Trust, Middlesbrough, UK
| | - Philip Holland
- Department of Trauma and Orthopaedics, South Tees Hospitals NHS Foundation Trust, Middlesbrough, UK
| | - Amjad Bhatti
- County Durham and Darlington NHS Foundation Trust, Durham, UK
LEVEL OF EVIDENCE: IV (Technical Note)
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Villarreal-Espinosa JB, Kay J, Ramappa AJ. Arthroscopic Bankart with remplissage results in lower rates of recurrent instability with similar range of motion compared to isolated arthroscopic Bankart for anterior glenohumeral instability: A systematic review and meta-analysis. Knee Surg Sports Traumatol Arthrosc 2024; 32:243-256. [PMID: 38258962 DOI: 10.1002/ksa.12054] [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: 09/24/2023] [Revised: 12/20/2023] [Accepted: 01/02/2024] [Indexed: 01/24/2024]
Abstract
PURPOSE The addition of the remplissage procedure to an arthroscopic Bankart procedure has been shown to improve clinical outcomes, yet at the expense of potentially decreasing shoulder range of motion. The purpose of this study was to assess recurrent instability, range of motion, functional outcomes and rates of return to sport outcomes in patients undergoing an isolated arthroscopic Bankart repair compared to those undergoing arthroscopic Bankart repair in addition to the remplissage procedure. METHODS According to the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines, a search was conducted using three databases (MEDLINE/OVID, EMBASE and PubMed). Retrieved studies were screened based on predefined inclusion and exclusion criteria for comparative studies. Data were extracted and meta-analysis performed using a random-effects model. RESULTS A total of 16 studies (13 level III studies, 2 level II studies and 1 level I) were included with a total of 507 and 704 patients in the Bankart plus remplissage and isolated Bankart repair groups, respectively. No studies reported glenoid bone loss of >20% with the least percentage of glenoid bone loss reported among studies being <1%. There was a significantly increased rate of recurrent dislocations (odds ratio [OR] = 4.22, 95% confidence interval [CI]: 2.380-7.48, p < 0.00001) and revision procedures (OR = 3.36, 95% CI: 1.52-7.41, p = 0.003) in the isolated Bankart repair group compared to the Bankart plus remplissage group. Additionally, there were no significant differences between groups in terms of external rotation at side (n.s.), in abduction (n.s.) or at forward flexion (n.s.) at final follow-up. Furthermore, return to preinjury level of sport favoured the Bankart plus remplissage group (OR = 0.54, 95% CI: 0.35-0.85, p = 0.007). CONCLUSION Patients undergoing arthroscopic Bankart plus remplissage for anterior shoulder instability have lower rates of recurrent instability, higher rates of return to sport, and no significant difference in range of motion at final follow-up when compared to an isolated arthroscopic Bankart repair. Further large, prospective studies are needed to further determine which patients and degree of bone loss would benefit most from augmentation with the remplissage procedure. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Juan Bernardo Villarreal-Espinosa
- Carl J. Shapiro Department of Orthopaedic Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
| | - Jeffrey Kay
- Department of Surgery, Division of Orthopaedic Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Arun J Ramappa
- Carl J. Shapiro Department of Orthopaedic Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
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Huang D, Ye Z, Wang J, Chen F, Liu H, Huang J. Reconstruction of recurrent shoulder dislocation with glenoid bone defect with 3D-printed titanium alloy pad: outcomes at 2-year minimum follow-up. BMC Musculoskelet Disord 2024; 25:29. [PMID: 38166887 PMCID: PMC10763388 DOI: 10.1186/s12891-023-07148-5] [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: 02/03/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND To evaluate the outcome of shoulder arthroscopy-assisted implantation of three-dimensional (3D)-printed titanium pads for recurrent shoulder dislocation with glenoid bone defects. METHODS From June 2019 to May 2020, the clinical efficacy of 3D printed titanium pad implantation assisted by shoulder arthroscopy, for the treatment of recurrent shoulder dislocations with shoulder glenoid defects was retrospectively analyzed. The American Shoulder and Elbow Surgeons (ASES) shoulder, Rowe, and Constant scores were recorded before surgery and at 3 months, 6 months, 1 year, and 2 years after surgery. 3D computed tomography (CT) and magnetic resonance imaging were used to evaluate the location of the glenoid pad, bone ingrowth, joint degeneration, and osteochondral damage. RESULTS The mean age of the 12 patients was 21.4 (19-24) years and the mean follow-up time was 27.6 (24-35) months. The Visual Analog Scale score significantly improved from 5.67 ± 1.98 preoperatively to 0.83 ± 0.58 postoperatively (p = 0.012). The postoperative ASES score was significantly increased to 87.91 ± 3.47 compared with preoperative ASES score (46.79 ± 6.45) (p < 0.01). Rowe and Constant scores also improved from 22.5 ± 12.34 and 56.58 ± 7.59 preoperatively to 90.83 ± 4.69 and 90.17 ± 1.89 at 2 years postoperatively, respectively. CT performed 2 years after surgery showed that the pad perfectly replenished the bone-defective part of the shoulder glenoid and restored the articular surface curvature of the shoulder glenoid in the anterior-posterior direction, and the bone around the central riser of the pad was tightly united. Magnetic resonance imaging 2 years after surgery showed that the humeral head osteochondral bone was intact, and there was no obvious osteochondral damage. CONCLUSIONS 3D printed titanium pads are a reliable, safe, and effective surgical procedure for treating recurrent shoulder dislocations with glenoid bone defects.
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Affiliation(s)
- Danlei Huang
- Department of Orthopedics, Chenggong Hospital of Xiamen University (the 73th Group Military Hospital of People's Liberation Army), 94 Wenyuan Road, Siming District, Xiamen City, Fujian Province, 361000, China
| | - Zhiyang Ye
- Department of Orthopedics, Chenggong Hospital of Xiamen University (the 73th Group Military Hospital of People's Liberation Army), 94 Wenyuan Road, Siming District, Xiamen City, Fujian Province, 361000, China
| | - Jun Wang
- Department of Orthopedics, Chenggong Hospital of Xiamen University (the 73th Group Military Hospital of People's Liberation Army), 94 Wenyuan Road, Siming District, Xiamen City, Fujian Province, 361000, China
| | - Feixiong Chen
- Department of Orthopedics, Chenggong Hospital of Xiamen University (the 73th Group Military Hospital of People's Liberation Army), 94 Wenyuan Road, Siming District, Xiamen City, Fujian Province, 361000, China
| | - Haoyuan Liu
- Department of Orthopedics, Chenggong Hospital of Xiamen University (the 73th Group Military Hospital of People's Liberation Army), 94 Wenyuan Road, Siming District, Xiamen City, Fujian Province, 361000, China
| | - Jianming Huang
- Department of Orthopedics, Chenggong Hospital of Xiamen University (the 73th Group Military Hospital of People's Liberation Army), 94 Wenyuan Road, Siming District, Xiamen City, Fujian Province, 361000, China.
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Kim YT, Lee KJ, Jang YH, Yang S, Lee TQ, McGarry M, Kim SH. Cadaveric Biomechanical Study of Partial Glenoid Arthroplasty Versus the Latarjet Procedure for Anterior Glenoid Bone Loss. Am J Sports Med 2023; 51:3217-3225. [PMID: 37715516 DOI: 10.1177/03635465231192086] [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] [Indexed: 09/17/2023]
Abstract
BACKGROUND For severe anterior glenoid bone loss due to recurrent shoulder instability, the Latarjet procedure offers a dynamic sling effect in addition to bone augmentation. Yet, it heavily alters the surrounding anatomy, while fixation and graft union issues are also common. PURPOSE/HYPOTHESIS The purpose of this study was to compare a novel printed 3-dimensional (3D) partial glenoid arthroplasty (PGA) implant with the classic Latarjet procedure. It was hypothesized that by replicating the original glenoid geometry and preserving soft tissue anatomy, PGA may better reproduce normal joint kinematics. In addition, the locking screw construct may offer stronger fixation. STUDY DESIGN Controlled laboratory study. METHODS A total of 14 matched cadaveric shoulders were tested. The PGA implant was 3D printed in titanium based on preoperative computed tomography. The intact, 25% anterior glenoid bone loss, and postoperative states were tested in the scapular and coronal planes. The following parameters were measured: articular surface area and stepoff, rotational range of motion and the humeral head apex position during rotation, and load and linear stiffness at 25% anterior translation and at 2-mm construct displacement. RESULTS The baseline dimensions of the glenoid articular surface were comparable between the groups. The articular surface area after PGA was significantly larger (P = .006) with less articular stepoff (P = .030). PGA better approximated the intact state's external (P = .006) and total (P = .019) rotational range of motion in the scapular plane. The course of the humeral head apex after PGA better followed that of the intact state (P < .001). Resistance against anterior translation after PGA was not significantly different compared with after the Latarjet procedure. Greater linear stiffness (P = .031) and loading (P = .002) at 2-mm construct displacement were demonstrated in the PGA group. CONCLUSION In addressing anterior glenoid bone loss, PGA better approximated intact glenohumeral joint kinematics compared with the Latarjet procedure with less articular stepoff in a cadaveric model. PGA was comparable in resisting anterior translation while being significantly stronger against loading at 2-mm construct displacement. Further clinical studies are warranted to validate this novel procedure. CLINICAL RELEVANCE A 3D-printed PGA implant may offer an alternative treatment option for severe glenoid bone loss due to shoulder instability, overcoming the previous drawbacks of the Latarjet procedure, including altered kinematics, fixation failure, and hardware issues.
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Affiliation(s)
- Yong Tae Kim
- Department of Orthopedic Surgery, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
| | - Kyung Jae Lee
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Seoul, Republic of Korea
| | - Young Hoon Jang
- Department of Orthopedic Surgery, CM Hospital, Seoul, Republic of Korea
| | - Sook Yang
- Research Center, Cusmedi, Suwon, Republic of Korea
| | - Thay Q Lee
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
| | - Michelle McGarry
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
| | - Sae Hoon Kim
- Department of Orthopedic Surgery, Seoul National University Hospital, Seoul, Republic of Korea
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Thacher RR, Retzky JS, Dekhne MS, Oquendo YA, Greditzer HG. Current Concepts in the Measurement of Glenohumeral Bone Loss. Curr Rev Musculoskelet Med 2023; 16:419-431. [PMID: 37341857 PMCID: PMC10427601 DOI: 10.1007/s12178-023-09852-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/09/2023] [Indexed: 06/22/2023]
Abstract
PURPOSE The extent of glenohumeral bone loss seen in anterior shoulder dislocations plays a major role in guiding surgical management of these patients. The need for accurate and reliable preoperative assessment of bone loss on imaging studies is therefore of paramount importance to orthopedic surgeons. This article will focus on the tools that are available to clinicians for quantifying glenoid bone loss with a focus on emerging trends and research in order to describe current practices. RECENT FINDINGS Recent evidence supports the use of 3D CT as the most optimal method for quantifying bone loss on the glenoid and humerus. New trends in the use of 3D and ZTE MRI represent exciting alternatives to CT imaging, although they are not widely used and require further investigation. Contemporary thinking surrounding the glenoid track concept and the symbiotic relationship between glenoid and humeral bone loss on shoulder stability has transformed our understanding of these lesions and has inspired a new focus of study for radiologists and orthopedist alike. Although a number of different advanced imaging modalities are utilized to detect and quantify glenohumeral bone loss in practice, the current literature supports 3D CT imaging to provide the most reliable and accurate assessments. The emergence of the glenoid track concept for glenoid and humeral head bone loss has inspired a new area of study for researchers that presents exciting opportunities for the development of a deeper understanding of glenohumeral instability in the future. Ultimately, however, the heterogeneity of literature, which speaks to the diverse practices that exist across the world, limits any firm conclusions from being drawn.
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Affiliation(s)
- Ryan R Thacher
- Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70Th Street, New York, NY, 10021, USA.
| | - Julia S Retzky
- Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70Th Street, New York, NY, 10021, USA
| | - Mihir S Dekhne
- Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70Th Street, New York, NY, 10021, USA
| | - Yousi A Oquendo
- Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 East 70Th Street, New York, NY, 10021, USA
| | - Harry G Greditzer
- Department of Radiology, Hospital for Special Surgery, 535 East 70Th Street, New York, NY, 10021, USA
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Hirose T, Tanaka M, Nakai H, Hanai H, Kotani Y, Kuratani K, Hayashida K. Association Between Preoperative Glenoid Bone Loss and Postoperative Outcomes After Coracoid Transfer Combined With Open Bankart Repair: Comparison of the Bristow and Latarjet Techniques. Orthop J Sports Med 2023; 11:23259671231172219. [PMID: 37260581 PMCID: PMC10227879 DOI: 10.1177/23259671231172219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 02/26/2023] [Indexed: 06/02/2023] Open
Abstract
Background Whether the extent of glenoid bone loss (GBL) affects clinical outcome after coracoid process transfer (CPT) is still unclear. Purpose To evaluate postoperative outcomes after CPT combined with open Bankart repair in young rugby players in terms of the extent of GBL and between the Bristow and Latarjet techniques. Study Design Cohort study; Level of evidence, 3. Methods The authors investigated 101 shoulders in 91 competitive rugby players who underwent CPT combined with open Bankart repair by the Bristow (group B; 66 shoulders) or Latarjet (group L; 35 shoulders) procedure between 2007 and 2017. The extent of GBL was calculated from the en face view of the glenoid on preoperative 3-dimensional computed tomography scans and was used to categorize shoulders into 4 grades (grade 0, 0%; grade 1, >0% and ≤10%; grade 2, >10% and ≤20%; grade 3, >20%). At the minimum 2-year follow-up, the authors analyzed the relationship between GBL or GBL grade and postoperative outcome scores (American Shoulder and Elbow Surgeons score, Rowe score, Western Ontario Shoulder Instability Index, and patient satisfaction), return-to-play (RTP) times, graft failure (insufficient union or translocation), and recurrence. Results The mean GBL in all shoulders was 10.9% ± 9.2% and was not significantly different between the 2 groups. There were no significant correlations between GBL and any outcome measure in either group. The mean RTP time was significantly shorter in group L versus group B (4.8 ± 1.1 vs 5.8 ± 1.8 months, respectively; P = .002), but it was not associated with GBL. In group B, the rate of graft failure was not significantly higher in shoulders with grade 0 or 1 GBL versus grade 2 or 3 GBL (8 [25.0%] vs 4 [11.8%], respectively; P = .21). In group B, graft failure was confirmed in 12 shoulders (18.2%), compared with 1 shoulder (2.9%) in group L. Postoperative recurrence occurred in significantly fewer shoulders in group B than in group L (2 [3.0%] vs 5 [14.3%], respectively; P = .047). Conclusion The extent of GBL did not affect outcome scores after CPT, regardless of operative procedure.
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Affiliation(s)
- Takehito Hirose
- Department of Orthopaedic Surgery,
Daini Osaka Police Hospital, Osaka, Japan
| | - Makoto Tanaka
- Department of Orthopaedic Surgery,
Daini Osaka Police Hospital, Osaka, Japan
- Center for Sports Medicine, Daini Osaka
Police Hospital, Osaka, Japan
| | - Hidekazu Nakai
- Department of Orthopaedic Surgery,
Daini Osaka Police Hospital, Osaka, Japan
| | - Hiroto Hanai
- Department of Orthopaedic Surgery,
Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yuki Kotani
- Department of Orthopaedic Surgery,
Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kosuke Kuratani
- Department of Orthopaedic Surgery, JCHO
Osaka Hospital, Osaka, Japan
| | - Kenji Hayashida
- Department of Orthopaedic Surgery,
Osaka Central Hospital, Osaka, Japan
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Xu J, Wu C, Han K, Zhang X, Ye Z, Jiang J, Yan X, Su W, Zhao J. Radiological and Histological Analyses of Nonrigid Versus Rigid Fixation for Free Bone Block Procedures in a Rabbit Model of Glenoid Defects. Am J Sports Med 2023; 51:743-757. [PMID: 36752692 DOI: 10.1177/03635465221145695] [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] [Indexed: 02/09/2023]
Abstract
BACKGROUND Nonrigid fixation techniques have been recently introduced in free bone block (FBB) procedures to treat substantial glenoid bone loss in patients with anterior shoulder instability. However, the radiological and histological effectiveness of nonrigid fixation versus conventional rigid fixation have not been comprehensively understood in vivo. PURPOSE To (1) explore the radiological and histological characteristics of nonrigid fixation for FBB procedures in a rabbit model of glenoid defects and (2) further compare them with those of conventional rigid fixation. STUDY DESIGN Controlled laboratory study. METHODS Unilateral shoulder glenoid defects were created in 36 mature New Zealand White rabbits, of which 24 underwent FBB procedures using allogenic iliac crest bone and were randomly divided into rigid fixation (RF) and nonrigid fixation (N-RF) groups, with the remaining divided into 2 control groups: 6 with sham surgery for glenoid defects (GD group) and 6 native glenoids (normal group). In the RF and N-RF groups, 6 rabbits were sacrificed at 6 or 12 weeks postoperatively for radiological and histological analyses of the reconstructed glenoid, and all rabbits in the GD and normal groups were sacrificed at 12 weeks. The radiological glenoid morphology was evaluated via micro-computed tomography. Moreover, the graft-glenoid healing and graft remodeling processes were determined using histological staining. RESULTS At 6 weeks, both the N-RF and RF groups had similarly improved radiological axial radian and en face area of the glenoid compared with the GD group, but the N-RF group showed superiority in restoration of the glenoid radian and area compared with the RF group at 12 weeks, with the native glenoid as the baseline. Histologically, the bone graft in both groups was substantively integrated into the deficient glenoid neck at 6 and 12 weeks, showing similar osseous healing processes at the graft-glenoid junction. Moreover, the bone graft histologically presented similar regenerated vascular density, total graft bone, and integrated graft bone in both groups. In contrast, the N-RF group had a different remodeling profile on radiological and histological analyses regarding regional bone resorption, mineralization, and fibrous tissue replacement during osseointegration. CONCLUSION Compared with rigid fixation, nonrigid fixation resulted in superior reconstructed glenoid morphology radiologically and similar graft-glenoid osseous healing histologically, showing different graft remodeling profiles of regional bone resorption, mineralization, and fibrous tissue replacement. CLINICAL RELEVANCE The nonrigid fixation technique can be feasible for FBB procedures to treat glenoid bone loss in anterior shoulder instability. More clinical evidence is required to determine its pros and cons compared with conventional rigid fixation.
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Affiliation(s)
- Junjie Xu
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chenliang Wu
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kang Han
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xueying Zhang
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zipeng Ye
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jia Jiang
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoyu Yan
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Su
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jinzhong Zhao
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Sudah SY, Menendez ME. Classifications in Brief: The Instability Severity Index Score for Predicting Recurrent Shoulder Instability After Arthroscopic Bankart Repair. Clin Orthop Relat Res 2023; 481:382-386. [PMID: 36006660 PMCID: PMC9831186 DOI: 10.1097/corr.0000000000002386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/09/2022] [Indexed: 02/04/2023]
Affiliation(s)
- Suleiman Y. Sudah
- Department of Orthopedics, Monmouth Medical Center, Long Branch, NJ, USA
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Comparison of computed tomography and 3D magnetic resonance imaging in evaluating glenohumeral instability bone loss. J Shoulder Elbow Surg 2022; 31:2217-2224. [PMID: 35931334 DOI: 10.1016/j.jse.2022.06.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/07/2022] [Accepted: 06/27/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND To determine whether the addition of 3-dimensional (3D) magnetic resonance imaging (MRI) to standard MRI sequences is comparable to 3D computed tomographic (CT) scan evaluation of glenoid and humeral bone loss in glenohumeral instability. METHODS Eighteen patients who presented with glenohumeral instability were prospectively enrolled and received both MRI and CT within 1 week of each other. The MRI included an additional sequence (volumetric interpolated breath-hold examination [VIBE]) that underwent postprocessing for reformations. The addition of a VIBE protocol, on average, is an additional 4-4.5 minutes in the scanner. CT data also underwent 3D postprocessing, and therefore each patient had 4 imaging modalities (2D CT, 2D MRI, 3D CT reformats, and 3D MRI reformats). Each sequence underwent the following measurements from 2 separate reviewers: glenoid defect, glenoid defect percentage, humeral defect, humeral defect percentage, and evaluation of glenoid track and version. Paired t tests were used to assess differences between imaging modalities and χ2 for glenoid track. Intra- and interobserver reliability were evaluated. Bland-Altman tests were also performed to assess the agreement between CT and MRI. In addition, we determined the cost of each imaging modality at our institution. RESULTS 3D MRI measurements for glenoid and humeral bone loss measurements were comparable to 3D CT (Table 1). There were no significant differences for glenoid defect size and percentage, or humeral defect size and percentage (P > .05) (Table 2). Bland-Altman analysis demonstrated strong agreement, with small measurement errors for 3D CT and 3D MRI percentage glenoid bone loss. There was also no difference in evaluation for determining on vs. off track between any of the imaging modalities. Inter- and intrarater reliability was good to excellent for all CT and MRI measurements (r ≥ 0.7). CONCLUSION 3D MRI measurements for bone loss in glenohumeral instability through use of VIBE sequence were equivalent to 3D CT. At our institution, undergoing MRI with 3D reconstruction was 1.67 times cheaper than MRI and CT with 3D reconstructions. 3D MRI may be a useful adjuvant to standard MRI sequences to allow concurrent soft tissue and accurate assessment of glenoid and humeral bone loss in glenohumeral instability.
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Gouveia K, Rizvi SFH, Dagher D, Leroux T, Bedi A, Khan M. Assessing Bone Loss in the Unstable Shoulder: a Scoping Review. Curr Rev Musculoskelet Med 2022; 15:369-376. [PMID: 35788508 PMCID: PMC9463415 DOI: 10.1007/s12178-022-09773-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/10/2022] [Indexed: 11/29/2022]
Abstract
PURPOSE OF REVIEW The aim of this scoping review is to identify and summarize findings published in the literature over the past 5 years related to methods for assessment of bone loss in anterior shoulder instability. RECENT FINDINGS Of the 113 clinical studies included in this review, 76 reported a cutoff for glenoid bone loss when determining the patients indicated for one of the many stabilization procedures investigated. Bone loss on the glenoid side was evaluated most commonly with three-dimensional computed tomography (3D CT), and either linear or surface area-based methods were employed with the use of a best-fit circle. When combined with plain CT, the two methods comprise up to 70% of the reported measurement techniques for glenoid bone loss (79 of 113 studies). On the humeral side, Hill-Sachs lesions were assessed more heterogeneously, though plain CT or 3D CT remained the methods of choice in the majority of studies (43 of 68, 63.2%). Lastly, the glenoid track was assessed by 27 of 113 studies (23.9%), again most commonly with 3D CT (13 studies) and plain CT (seven studies). The assessment of glenoid and humeral bone loss is essential to treatment decisions for patient with recurrent anterior shoulder instability. Glenoid bone loss is most commonly assessed using cross-sectional imaging, most often 3D CT, and some variation of a best-fit circle applied to the inferior portion of the glenoid. Hill-Sachs lesion assessment was also commonly done using three-dimensional imaging; however, there was more variability in assessment methods across studies and there is an obvious need to unify the approach to humeral bone loss assessment for the purposes of improving treatment decisions and to better assess on-track and off-track lesions.
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Affiliation(s)
- Kyle Gouveia
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Syed Fayyaz H Rizvi
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Danielle Dagher
- Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Timothy Leroux
- Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Asheesh Bedi
- Northshore Orthopedic and Spine Institute, Chicago, IL, USA
| | - Moin Khan
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada.
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Davis SM, Field LD. Arthroscopic Techniques to Stabilize Glenoid Bony Bankart Fragments. Arthrosc Tech 2022; 11:e1547-e1550. [PMID: 36185124 PMCID: PMC9519783 DOI: 10.1016/j.eats.2022.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 04/26/2022] [Indexed: 02/03/2023] Open
Abstract
A bony Bankart lesion is an avulsion of the labroligamentous complex associated with an anterior glenoid rim fracture. Bony Bankart lesions can be seen in up to 70% of traumatic shoulder dislocations. With such a high prevalence, the development of an optimal repair technique is important. Selection of the most appropriate repair method depends heavily on the individual hard- and soft-tissue characteristics of the presenting lesion, as well as surgeon experience with the various repair options. We describe 3 arthroscopic Bankart fixation techniques (labrum alone, transosseous, and double row) to address a range of presenting Bankart pathologies.
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Affiliation(s)
| | - Larry D. Field
- Address correspondence to Larry D. Field, M.D., Mississippi Sports Medicine and Orthopaedic Center, 1325 E Fortification St. Jackson, MS 39202, U.S.A.
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22
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Arthroscopic Trillat technique for chronic post-traumatic anterior shoulder instability: outcomes at 2 years of follow-up. J Shoulder Elbow Surg 2022; 31:e270-e278. [PMID: 35017078 DOI: 10.1016/j.jse.2021.12.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/24/2021] [Accepted: 12/04/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND The purpose of this study was to assess the outcomes of a new arthroscopic Trillat technique at a 2-year follow-up. Our current hypothesis was that this technique could be used for the effective treatment of chronic post-traumatic unidirectional anterior shoulder instability, and that the recurrence and complication rates, external rotation, and functional outcomes would be as good as those of the reference technique. METHODS Between April 2012 and August 2016, all patients older than 16 years who underwent the arthroscopic Trillat technique for unidirectional chronic post-traumatic anterior shoulder instability at the Dijon University Hospital (France), after the failure of well-conducted medical and rehabilitation treatment with at least 24 months of follow-up, were included. Criteria for noninclusion were association with posterior and/or inferior instabilities, voluntary instabilities, and glenoid bone loss greater than 20%. Patients attended follow-up with their surgeon before the intervention, in the immediate postoperative period, at 6 weeks, 3 and 6 months, and then by an independent observer for the last evaluation. Patients were then examined clinically with scores such as Constant, Rowe and Walch-Duplay scores, and subjective shoulder value, for shoulder range of motion, and radiographically (anteroposterior and Lamy's lateral x-rays of the operated shoulder). RESULTS Forty-nine patients and 52 shoulders were included, with a mean follow-up of 40 months (range, 24-71 months). The recurrence rate of instability was 3.8% (2 of 52). No conversion to arthrotomy was necessary. No intraoperative complications, postoperative neurological lesions, or sepsis were observed. The mean Constant score was 92.1 (77.5-100) points, Walch-Duplay 82.9 (40-100), Rowe 81.73 (5-100), and subjective shoulder value 86.1 (50-100) at the last follow-up. The arm at side external rotation limitation averaged 8.4° (-25° to 40°) and the external rotation with 90° arm abduction limitation 0.34° (-5° to 15°). Forty-one patients (79%) resumed their sports activity at the same level. Fifty patients (96%) were satisfied to very satisfied. One patient developed nonunion of the coracoid process and subsequently underwent a Latarjet procedure with a good outcome. CONCLUSIONS The arthroscopic Trillat procedure offers good outcomes as a first-line treatment for chronic anterior post-traumatic glenohumeral instability. It should be excluded in cases of glenoid loss greater than 20%.
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Normal Humeral Head Ossification in Pediatric and Adolescent Shoulders Can Mimic Hill-Sachs Lesions: A Magnetic Resonance Imaging-based Study. J Pediatr Orthop 2022; 42:e143-e148. [PMID: 34799540 DOI: 10.1097/bpo.0000000000002017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND The sequential maturation of the humeral head (HH) as viewed on magnetic resonance imaging (MRI) has not been described to date. Proper assessment may be complicated by the presence of physeal tissue in pediatric patients. Past studies suggest that skeletally immature patients may also have a higher risk of a false-positive diagnosis of Hill-Sachs lesion on MRI. The purpose of this study was to define pediatric HH developmental patterns using MRI and to investigate for any associations with findings of known false-positive Hill-Sachs. METHODS Picture Archiving and Communication System (PACS) records at an urban academic tertiary care musculoskeletal facility from 2014 to 2020 were queried for shoulder MRI in patients aged 0 to 15 years. Patients were excluded if they had a history of glenohumeral instability, fracture, growth arrest, brachial plexus injury, surgery, or infection. All images were independently evaluated by a musculoskeletal fellowship-trained radiologist. Each HH was staged based on skeletal maturity. RESULTS For both sexes, HHs matured in a predictable manner with increasing chronological age associated with a higher ossification stage. False Hill-Sachs lesions were observed in girls aged 4 to 7 and boys aged 5 to 14, exclusively during stage I to II ossification. CONCLUSIONS False Hill-Sachs lesions were visualized on MRI in stage I to II proximal humerus ossification. Due to differential timing of skeletal maturation, males present with false Hill-Sachs lesions at a later age than females on average. When interpreting shoulder MRI for glenohumeral instability, clinicians should be cautious of false Hill-Sachs lesions, especially in younger patients with distinct greater tuberosity and HH ossification centers (stage I to II ossification). LEVEL OF EVIDENCE Level III.
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Arenas-Miquelez A, Dabirrahmani D, Sharma G, Graham PL, Appleyard R, Bokor DJ, Read JW, Piper K, Raniga S. What Is the Most Reliable Method of Measuring Glenoid Bone Loss in Anterior Glenohumeral Instability? A Cadaveric Study Comparing Different Measurement Techniques for Glenoid Bone Loss. Am J Sports Med 2021; 49:3628-3637. [PMID: 34495796 DOI: 10.1177/03635465211041386] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Preoperative quantification of bone loss has a significant effect on surgical decision making and patient outcomes. Various measurement techniques for calculating glenoid bone loss have been proposed in the literature. To date, no studies have directly compared measurement techniques to determine which technique, if any, is the most reliable. PURPOSE/HYPOTHESIS To identify the most consistent and accurate techniques for measuring glenoid bone loss in anterior glenohumeral instability. Our hypothesis was that linear measurement techniques would have lower consistency and accuracy than surface area and statistical shape model-based measurement techniques. STUDY DESIGN Controlled laboratory study. METHODS In 6 fresh-frozen human shoulders, 3 incremental bone defects were sequentially created resulting in a total of 18 glenoid bone defect samples. Analysis was conducted using 2D and 3D computed tomography (CT) en face images. A total of 6 observers (3 experienced and 3 with less experience) measured the bone defect of all samples with Horos imaging software using 5 common methods. The methods included 2 linear techniques (Shaha, Griffith), 2 surface techniques (Barchilon, PICO), and 1 statistical shape model formula (Giles). Intraclass correlation (ICC) using a consistency model was used to determine consistency between observers for each of the measurement methods. Paired t tests were used to calculate the accuracy of each measurement technique relative to physical measurement. RESULTS For the more experienced observers, all methods indicated good consistency (ICC > 0.75; range, 0.75-0.88), except the Shaha method, which indicated moderate consistency (0.65 < ICC < 0.75; range, 0.65-0.74). Estimated consistency among the experienced observers was better for 2D than 3D images, although the differences were not significant (intervals contained 0). For less experienced observers, the Giles method in 2D had the highest estimated consistency (ICC, 0.88; 95% CI, 0.76-0.95), although Giles, Barchilon, Griffith, and PICO methods were not statistically different. Among less experienced observers, the 2D images using Barchilon and Giles methods had significantly higher consistency than the 3D images. Regarding accuracy, most of the methods statistically overestimated the actual physical measurements by a small amount (mean within 5%). The smallest bias was observed for the 2D Barchilon measurements, and the largest differences were observed for Giles and Griffith methods for both observer types. CONCLUSION Glenoid bone loss calculation presents variability depending on the measurement technique, with different consistencies and accuracies. We recommend use of the Barchilon method by surgeons who frequently measure glenoid bone loss, because this method presents the best combined consistency and accuracy. However, for surgeons who measure glenoid bone loss occasionally, the most consistent method is the Giles method, although an adjustment for the overestimation bias may be required. CLINICAL RELEVANCE The Barchilon method for measuring bone loss has the best combined consistency and accuracy for surgeons who frequently measure bone loss.
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Affiliation(s)
- Antonio Arenas-Miquelez
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
| | - Danè Dabirrahmani
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
| | - Gaurav Sharma
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
| | - Petra L Graham
- Centre for Economic Impacts of Genomic Medicine (GenIMPACT), Macquarie Business School, and Department of Mathematics and Statistics, Faculty of Science and Engineering, Macquarie University, Sydney, Australia
| | - Richard Appleyard
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
| | - Desmond J Bokor
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
| | - John W Read
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
| | - Kalman Piper
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
| | - Sumit Raniga
- MQ Health Translational Shoulder Research Program, Faculty of Medicine & Human Sciences, Macquarie University, Sydney, Australia
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Sarı A, Sasani H, Çetin MÜ, Günaydin B, Kilinç S, Yildirim I, Dinçel YM. Analysis of the coracoid morphology with multiplanar 2D CT and its effects on the graft size in the Latarjet procedure. J Orthop Surg (Hong Kong) 2021; 28:2309499020964602. [PMID: 33150837 DOI: 10.1177/2309499020964602] [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] [Indexed: 11/16/2022] Open
Abstract
PURPOSE In this study, we aimed to reveal the individual differences regarding the size of the coracoid and their effects on the classical and modified Latarjet procedures. METHODS Computed tomography images of 120 patients (mean age: 41.18 ± 12.01 years) without shoulder complaints or shoulder instability were evaluated retrospectively. The glenoid width, the surgical graft length, and the coracoid total length, width, and thickness were measured using the multiplanar reconstruction method on the Sectra Picture Archiving and Communications System (PACS) system. Age, gender, side, the dominant hand, and the height of the patients were recorded and the correlations between them were investigated. On the created hypothetical model, the current size of the coracoid was evaluated to determine what size of glenoid defects it could repair by employing the classical and the modified Latarjet techniques. RESULTS There was no significant difference between the right-hand-dominant group and the left-hand-dominant group in terms of coracoid measurement results (p > 0.05). Again, there was no statistically significant difference between the right and the left side regarding the coracoid size (p > 0.05). A positive correlation could be detected only between age and the coracoid width and thickness (p < 0.05). A positive correlation was also found between the glenoid width and the coracoid width and thickness in both shoulders (p < 0.001). Coracoid thickness could fill in the defects that amounted to 40% of the glenoid width, while the coracoid width could fill in for the defects that were 50% of the glenoid width in both genders. CONCLUSION Our study showed that hand dominance and side were not effective on the coracoid dimensions. In addition, it has been shown that the coracoid dimensions did not have a significant effect in the choice of Latarjet technique in terms of defect repair and that repair rates of up to 40% could be achieved in glenoid defects with both techniques.
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Affiliation(s)
- Abdulkadir Sarı
- Department of Orthopedics and Traumatology, Faculty of Medicine, Namık Kemal University, Tekirdağ, Turkey
| | - Hadi Sasani
- Department of Radiology, Faculty of Medicine, Namık Kemal University, Tekirdağ, Turkey
| | - Mehmet Ümit Çetin
- Department of Orthopedics and Traumatology, Faculty of Medicine, Namık Kemal University, Tekirdağ, Turkey
| | - Burak Günaydin
- Department of Orthopedics and Traumatology, Faculty of Medicine, Namık Kemal University, Tekirdağ, Turkey
| | - Seyran Kilinç
- Department of Orthopedics and Traumatology, Faculty of Medicine, Sivas Cumhuriyet University, Sivas, Turkey
| | - Ilker Yildirim
- Department of Anaesthesia and Intensive Care, Faculty of Medicine, Namık Kemal University, Tekirdağ, Turkey
| | - Yaşar Mahsut Dinçel
- Department of Orthopedics and Traumatology, Faculty of Medicine, Namık Kemal University, Tekirdağ, Turkey
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Malahias MA, Mitrogiannis L, Gerogiannis D, Chronopoulos E, Kaseta MK, Antonogiannakis E. Non-rigid fixation of the glenoid bone block for patients with recurrent anterior instability and major glenoid bone loss: A systematic review. Shoulder Elbow 2021; 13:168-180. [PMID: 33897848 PMCID: PMC8039760 DOI: 10.1177/1758573219872512] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 06/05/2019] [Accepted: 07/29/2019] [Indexed: 11/17/2022]
Abstract
BACKGROUND New types of glenoid bone block fixation, involving suture buttons, suture anchors or even implant-free impaction of the graft, have been recently introduced. In contrast to screws which allow for a rigid fixation of the bone block, these alternative procedures provide a non-rigid type of fixation. METHODS Two reviewers independently conducted the search in a systematic way (according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) using the MEDLINE/PubMed database and the Cochrane Database of Systematic Reviews. These databases were queried with the terms "Latarjet" OR "Eden-Hybbinette" OR "bone block" AND "anterior" AND "shoulder" AND "instability." RESULTS Eight out of the 325 initial studies were finally chosen according to our inclusion-exclusion criteria. In total, 750 patients were included in this review. The overall anterior instability recurrence rate for patients treated with non-rigid fixation was 2.6%, while the overall rate of non-union or graft osteolysis was 5.4%. CONCLUSIONS Regardless of the graft type, bone block non-rigid fixation showed satisfactory clinical and functional outcomes for the treatment of anterior shoulder instability with substantial glenoid bone deficiency. Furthermore, non-rigid fixation resulted in adequate bone graft healing and osseous incorporation. Lastly, given the relative lack of data, further prospective controlled studies are required to assess bone block non-rigid fixation procedures in comparison with the traditional rigid (with screws) fixation techniques. LEVEL Systematic review, IV.
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Affiliation(s)
- Michael-Alexander Malahias
- 3rd Orthopaedic Department, Hygeia
Hospital, Athens, Greece,Michael-Alexander Malahias, Orthopaedic
Surgeon, 3rd Orthopaedic Department, Hygeia Hospital, Erythrou Stavrou 4,
Marousi 15123, Athens, Greece.
| | | | | | - Efstathios Chronopoulos
- 2nd Orthopaedic Department, School of
Medicine, National & Kapodistrian University of Athens, Athens, Greece
| | - Maria-Kyriaki Kaseta
- 2nd Orthopaedic Department, School of
Medicine, National & Kapodistrian University of Athens, Athens, Greece
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Gouveia K, Abidi SK, Shamshoon S, Gohal C, Madden K, Degen RM, Leroux T, Alolabi B, Khan M. Arthroscopic Bankart Repair With Remplissage in Comparison to Bone Block Augmentation for Anterior Shoulder Instability With Bipolar Bone Loss: A Systematic Review. Arthroscopy 2021; 37:706-717. [PMID: 32911004 DOI: 10.1016/j.arthro.2020.08.033] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 08/17/2020] [Accepted: 08/21/2020] [Indexed: 02/06/2023]
Abstract
PURPOSE The purpose of this systematic review is to examine the rates of postoperative recurrence of instability, functional outcomes, and complications after treatment with bone augmentation procedures or arthroscopic Bankart repair with remplissage for recurrent anterior shoulder instability in the setting of subcritical glenoid bone loss. METHODS EMBASE, PubMed, and MEDLINE were searched from database inception until June 2019 for articles examining either bone block augmentation to the glenoid or Bankart repair with remplissage (BRR) in the setting of subcritical glenoid bone loss. Search and data extraction were performed by 2 reviewers independently and in duplicate. A separate analysis was done for comparative studies. RESULTS Overall, 145 studies were identified, including 4 comparative studies. Across all studies, postoperative recurrence rates ranged from 0% to 42.8% for bone block augmentation and 0% to 15% for Bankart repair with remplissage. In comparative studies reporting subcritical glenoid bone loss, rates were 5.7% to 11.6% in the Latarjet group and 0% to 13.3% in the Bankart repair with remplissage group. However, in all studies reporting 10% to 15% mean glenoid bone loss, there was an increased rate of recurrent instability with arthroscopic soft tissue repair (6.1% to 13.2%) in comparison with bony augmentation (0% to 8.2%). Lastly, complication rates ranged from 0% to 66.7% for the bone block group and 0% to 2.3% for arthroscopic Bankart repair with remplissage. CONCLUSION Both bone block augmentation and Bankart repair with remplissage are effective treatment options for recurrent anterior shoulder instability in patients with bipolar bone loss but subcritical glenoid bone loss. Both have comparable functional outcomes, albeit bone block procedures carry an increased risk of complications. Arthroscopic BRR may be associated with a higher failure rate for preoperative glenoid bone loss >10%. Therefore, it may represent a stabilization procedure best suited for cases of recurrent anterior instability with glenoid bone loss <10% and the presence of a significant, off-track Hill-Sachs lesion. LEVEL OF EVIDENCE Level IV, systematic review of Level II-IV studies.
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Affiliation(s)
- Kyle Gouveia
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | | | - Saif Shamshoon
- Department of Family Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Chetan Gohal
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Kim Madden
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Ryan M Degen
- Fowler Kennedy Sports Medicine Clinic, Western University, London, Ontario, Canada
| | - Timothy Leroux
- Division of Orthopedic Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Bashar Alolabi
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Moin Khan
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada.
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Levy BJ, Grimm NL, Arciero RA. When to Abandon the Arthroscopic Bankart Repair: A Systematic Review. Sports Health 2020; 12:425-430. [PMID: 32716726 DOI: 10.1177/1941738120940676] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
CONTEXT Bone loss is a major factor in determining surgical choice in patients with anterior glenohumeral instability. Although bone loss has been described, there is no consensus on glenoid, humeral head, and bipolar bone loss limits for which arthroscopic-only management with Bankart repair can be performed. OBJECTIVE To provide guidelines for selecting a more complex repair or reconstruction (in lieu of arthroscopic-only Bankart repair) in the setting of glenohumeral instability based on available literature. DATA SOURCES An electronic search of the literature for the period from 2000 to 2019 was performed using PubMed (MEDLINE). STUDY SELECTION Studies were included if they quantified bone loss (humeral head or glenoid) in the setting of anterior instability treated with arthroscopic Bankart repair. STUDY DESIGN Systematic review. LEVEL OF EVIDENCE Level 4. DATA EXTRACTION Study design, level of evidence, patient demographics, follow-up, recurrence rates, and measures of bone loss (glenoid, humeral head, bipolar). RESULTS A total of 14 studies met the inclusion criteria. Of these, 10 measured glenoid bone loss, 5 measured humeral head bone loss, and 2 measured "tracking" without explicit measurement of humeral head bone loss. Measurement techniques for glenoid and humeral head bone loss varied widely. Recommendations for maximum glenoid bone loss for arthroscopic repair were largely <15% of glenoid width in recent studies. Recommendations regarding humeral head loss were more variable (many authors providing only qualitative descriptions) with increasing attention on glenohumeral tracking. CONCLUSION It is essential that a standardized method of glenoid and humeral head bone loss measurements be performed preoperatively to assess which patients will have successful stabilization after arthroscopic Bankart repair. Glenoid bone loss should be <15%, and humeral head lesions should be "on track" if an arthroscopic-only Bankart is planned. If there is greater bone loss, adjunct or open procedures should be performed.
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Affiliation(s)
- Benjamin J Levy
- UConn Health-Department of Orthopedics and University of Connecticut School of Medicine, Farmington, Connecticut
| | - Nathan L Grimm
- UConn Health-Department of Orthopedics and University of Connecticut School of Medicine, Farmington, Connecticut.,Idaho Sports Medicine Institute, Boise, Idaho
| | - Robert A Arciero
- UConn Health-Department of Orthopedics and University of Connecticut School of Medicine, Farmington, Connecticut
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Han F, Chin BYY, Tan BHM, Lim CT, Kumar VP. Clinical outcomes of the reverse McLaughlin procedure for Hill-Sachs lesions in anterior shoulder instability. J Orthop Surg (Hong Kong) 2020; 27:2309499018816444. [PMID: 30798704 DOI: 10.1177/2309499018816444] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
INTRODUCTION Engaging Hill-Sachs lesions in recurrent anterior shoulder dislocation have been managed with the remplissage procedure. Clinical and cadaveric studies have reported limitation of rotation after this procedure. We introduce the reverse McLaughlin procedure where the infraspinatus and the underlying capsule are detached and approximated into the Hill-Sachs defect with transosseous sutures. This is a preliminary report using this technique. METHODS Seventeen patients with recurrent anterior shoulder dislocations and an engaging Hill-Sachs lesion underwent a Bankart repair and remplissage procedure (n = 9) or the reverse McLaughlin procedure ( n = 8). Patients were evaluated using the SF-36, American Shoulder and Elbow Surgeons (ASES), and Constant scores. Clinical assessment of the shoulders was also performed. RESULTS At the final follow-up, all patients in both groups achieved comparable clinical outcome scores. No significant differences were reported in the range of motion of the shoulders between the two groups. There was one dislocation of the operated shoulder in each group after an injury. CONCLUSION The reverse McLaughlin procedure for engaging Hill-Sachs lesions is simple, easy to perform, and associated with functional outcomes and range of motion at least equivalent to those obtained via the remplissage technique. It may be an alternative to the latter procedure. LEVEL OF EVIDENCE III, Retrospective Comparative Study.
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Affiliation(s)
- Fucai Han
- 1 Department of Orthopaedic Surgery, Ng Teng Fong General Hospital, National University Health System, Singapore
| | - Brendan Yi Yao Chin
- 2 Department of Orthopaedic Surgery, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster, National University Hospital, National University Health System, Singapore
| | - Bryan Hsi Ming Tan
- 2 Department of Orthopaedic Surgery, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster, National University Hospital, National University Health System, Singapore
| | - Chin Tat Lim
- 2 Department of Orthopaedic Surgery, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster, National University Hospital, National University Health System, Singapore
| | - V Prem Kumar
- 2 Department of Orthopaedic Surgery, University Orthopaedics, Hand & Reconstructive Microsurgery Cluster, National University Hospital, National University Health System, Singapore.,3 Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
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Di Giacomo G, Pugliese M, Lie DTT, Chou ACC, Chen J, Rosenberg N, Itoi E. How to handle minor and major bone loss in the shoulder? Current concepts. J ISAKOS 2020. [DOI: 10.1136/jisakos-2019-000378] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Anterior shoulder instability is a significant problem in orthopaedic surgery. It carries a heavy burden on quality of life, especially in young, active patients. Surgical treatment is therefore often carried out in this population. Several strategies can effectively address this issue. Yet, the consensus is lacking on the parameters which favour one technique over another, especially when bone loss is present. This is because of the complex, dynamic interplay between bone loss on the humeral side (ie, Hill-Sachs lesion) and glenoid bone loss, which is a common occurrence and defined as ‘bipolar’. There is an ongoing debate over the percentage of glenoid bone loss warranting bone block procedures: 13.5–15% is an indicator for such procedures (ie, Latarjet), although this value is still considered controversial and not uniformly accepted. A multitude of other factors (ie, age, sex, level of activity and so on) come into play alongside bipolar bone loss and the weight of each factor has yet to be fully elucidated. Also, refining the algorithm for the right procedure in the right patients will reduce the number of side effects stemming from initial, suboptimal treatment choice. Knowing how to manage previous surgical treatment failure is also key for the treating orthopaedic surgeon, who must be able to address the root cause of failure and react accordingly and effectively. This paper analyses key factors in treatment choice, the current stance of the literature on varying degrees of bone loss and choices on surgical treatment failure, lack of evidence and need for future research.
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Sochacki KR, Dillingham MF, Abrams GD, Sherman SL, Donahue J. Humeral Head Osteochondral Allograft Reconstruction with Arthroscopic Anterior Shoulder Stabilization at a Long-Term Follow-Up: A Case Report. JBJS Case Connect 2020; 10:e0555. [PMID: 32649125 DOI: 10.2106/jbjs.cc.19.00555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
CASE The authors report a case of recurrent anterior shoulder instability in a 19-year-old man. Intraoperative arthroscopic examination identified Bankart and engaging Hill-Sachs lesions. The patient was treated with humeral head osteochondral allograft reconstruction and concomitant arthroscopic anterior stabilization. At the 14-year follow-up, there was no recurrent instability. CONCLUSION Humeral head osteochondral allograft reconstruction combined with an arthroscopic anterior stabilization procedure can be successful for recurrent shoulder instability and engaging Hill-Sachs lesion.
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Affiliation(s)
- Kyle R Sochacki
- 1Department of Orthopaedic Surgery, Stanford University Medical Center, Palo Alto, California
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Bitar AC, Fabiani MC, Ferrari DG, Garofo AGP, Schor B, Zorzenoni FO, Nico M, Scalize ARH, Castropil W. Clinical and functional outcomes of the remplissage technique to repair anterior shoulder dislocation: average 7 years of follow-up. Musculoskelet Surg 2020; 105:61-67. [PMID: 31894473 DOI: 10.1007/s12306-019-00630-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 10/31/2019] [Indexed: 12/14/2022]
Abstract
PURPOSE The purpose of this work is to report mid- to long-term clinical results, recurrence rates and instability following surgery to repair anterior dislocation of the shoulder by the remplissage technique. METHODS This was a retrospective case series at a single center with patients with anterior shoulder instability that received surgery using the remplissage technique. Rowe questionnaire, instability complaints, recurrence episodes and return to sport were analyzed. RESULTS Of all patients screened, 21 (92.3%) were enrolled and only 2 patients were lost to follow-up. The mean age of the patients at the time of surgery was 27.8y.o., and the mean number of dislocations before surgery was 3.2 episodes. The follow-up average was 83.8 months (range 28-126). No case of postoperative infection was observed. Two patients (9.5%) had recurrent shoulder instability and required reintervention after 18 and 48 months. The average final Rowe score was 92.9 (range 75-100). All patients that played sports before surgery returned to the sport, and 73.7% of them returned to the same activity level. CONCLUSION The remplissage technique applied to repair anterior shoulder dislocation with humeral bone loss presents good results regarding clinical scores, shoulder stability and acceptable rates of return to sports, even in a mid- to long-term follow-up. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- A C Bitar
- Department of Knee Surgery, Instituto Vita, Rua Mato Grosso, 306, 1º andar, Higienópolis, São Paulo, Brazil.
| | - M C Fabiani
- Department of Knee Surgery, Instituto Vita, Rua Mato Grosso, 306, 1º andar, Higienópolis, São Paulo, Brazil
| | - D G Ferrari
- Department of Knee Surgery, Instituto Vita, Rua Mato Grosso, 306, 1º andar, Higienópolis, São Paulo, Brazil
| | - A G P Garofo
- Department of Knee Surgery, Instituto Vita, Rua Mato Grosso, 306, 1º andar, Higienópolis, São Paulo, Brazil
| | - B Schor
- Department of Knee Surgery, Instituto Vita, Rua Mato Grosso, 306, 1º andar, Higienópolis, São Paulo, Brazil
| | - F O Zorzenoni
- Department of Musculoskeletal Radiology, Fleury, São Paulo, Brazil
| | - M Nico
- Department of Musculoskeletal Radiology, Fleury, São Paulo, Brazil
| | - A R H Scalize
- Department of Knee Surgery, Instituto Vita, Rua Mato Grosso, 306, 1º andar, Higienópolis, São Paulo, Brazil
| | - W Castropil
- Department of Knee Surgery, Instituto Vita, Rua Mato Grosso, 306, 1º andar, Higienópolis, São Paulo, Brazil
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Parada SA, Griffith MS, Shaw KA, Waterman BR, Eichinger JK, Li X, Provencher MT. Demographics and Distal Tibial Dimensions of Suitable Distal Tibial Allografts for Glenoid Reconstruction. Arthroscopy 2019; 35:2788-2794. [PMID: 31526608 DOI: 10.1016/j.arthro.2019.05.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 03/31/2019] [Accepted: 05/07/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE To evaluate whether characteristics such as age, height, weight, sex, or body mass index affected the distal tibial dimensions and radius of curvature (ROC) of a potential donor for anterior glenoid augmentation. METHODS A retrospective review of magnetic resonance imaging of ankles without bony trauma was performed, and the anteroposterior (AP) and medial-lateral (ML) distances and ROC of the tibial plafond articular surface were measured. Demographic characteristics, including age, sex, height, weight, and body mass index, were recorded. RESULTS A total of 141 imaging studies were included (73 men and 68 women; average age, 38.2 ± 12.65 years). All potential specimens accommodated harvest of a 10 × 22-mm distal tibial allograft bone block. Men had greater ML (42.74 cm [95% confidence interval (CI), 42.09-43.39 cm] vs 38.01 cm [95% CI, 37.30-38.72 cm]; P < .001) and AP (38.16 cm [95% CI, 37.47-38.85 cm] vs 34.57 cm [95% CI, 33.97-35.17 cm]; P < .001) dimensions. Significant moderately positive correlations were found for AP dimensions with height (r = 0.584, P < .001) and weight (r = 0.383, P < .001) and for ML dimensions with height (r = 0.711, P < .001) and weight (r = 0.467, P < .001). ROC was positively correlated with height (r = 0.509, P < .001) and weight (r = 0.294, P < .001). Patient age was not related to either the AP or ML distal tibial dimensions or ROC. CONCLUSIONS After magnetic resonance imaging analysis, all potential donors permitted harvest of a standard-sized distal tibial allograft irrespective of sex or common anthropometric measures, and 85.8% showed distal tibial morphology acceptable for glenoid augmentation. AP and ML graft dimensions and ROC correlated significantly with height and weight. LEVEL OF EVIDENCE Level II, diagnostic study.
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Affiliation(s)
- Stephen A Parada
- Department of Orthopaedic Surgery, Medical College of Georgia at Augusta University, Augusta, Georgia.
| | - Matthew S Griffith
- Orthopaedic Surgery, Eisenhower Army Medical Center, Fort Gordon, Georgia
| | - K Aaron Shaw
- Orthopaedic Surgery, Eisenhower Army Medical Center, Fort Gordon, Georgia
| | - Brian R Waterman
- Department of Orthopaedic Surgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina, U.S.A
| | - Josef K Eichinger
- Department of Orthopaedic Surgery, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Xinning Li
- Department of Orthopaedic Surgery, Boston University School of Medicine, Boston, Massachusetts, U.S.A
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Ono Y, Dávalos Herrera DA, Woodmass JM, Lemmex DB, Carroll MJ, Yamashita S, Thornton GM, Lo IK. Long-term outcomes following isolated arthroscopic Bankart repair: a 9- to 12-year follow-up. JSES OPEN ACCESS 2019; 3:189-193. [PMID: 31720496 PMCID: PMC6835116 DOI: 10.1016/j.jses.2019.05.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background The long-term outcomes following arthroscopic Bankart repair have been rarely reported. Because of its relative novelty, little is known about recurrent instability, postoperative arthritis, and patient satisfaction, particularly for well-established modern procedures. The purpose of the study was to evaluate the long-term outcomes following arthroscopic Bankart repair. Methods Patients who underwent isolated arthroscopic Bankart repair from 2003 to 2006 were retrospectively reviewed. Recurrent instability, radiographic, and clinical scores (American Shoulder and Elbow Surgeons [ASES], Simple Shoulder Test [SST], and Rowe scores) were evaluated. Patient factors (ie, age, gender, side, number of instability episodes, contact sports, and bone loss) were analyzed to determine the correlation with outcome measures. Results Among the 98 patients (102 shoulders), we were able to contact 50 patients (51 shoulders, mean age 27.0 years, mean follow-up 121.2 months). Significant bone loss in glenoid and humerus was arthroscopically observed in 16 (31.4%) and 28 (54.9%) shoulders, respectively. Sixteen shoulders (31.4%) experienced recurrent instability. Recent radiographs were obtained for 38 shoulders, 14 (36.8%) of which showed moderate to severe arthritis. Clinical outcomes at follow-up were 89.3, 10.8, and 76.0 for ASES, SST, and Rowe scores, respectively. Neither recurrent instability nor arthritis was correlated with any patient factors. Conclusion When isolated arthroscopic Bankart repair was used in all patients with shoulder instability regardless of bony defect, postoperative recurrent instability and arthritis rates were unacceptably high. Additional procedures should be chosen after careful consideration of multiple patient factors.
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Affiliation(s)
- Yohei Ono
- Department of Surgery, Section of Orthopaedic Surgery, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada.,Department of Orthopedic Surgery, East Hokkaido Hospital, Kushiro, Japan
| | | | - Jarret M Woodmass
- Department of Surgery, Section of Orthopaedic Surgery, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
| | - Devin B Lemmex
- Department of Surgery, Section of Orthopaedic Surgery, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
| | - Michael J Carroll
- Department of Surgery, Section of Orthopaedic Surgery, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
| | - Satoshi Yamashita
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Gail M Thornton
- Department of Surgery, Section of Orthopaedic Surgery, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
| | - Ian K Lo
- Department of Surgery, Section of Orthopaedic Surgery, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
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Woolnough T, Shah A, Sheean AJ, Lesniak BP, Wong I, de Sa D. "Postage Stamp" Fractures: A Systematic Review of Patient and Suture Anchor Profiles Causing Anterior Glenoid Rim Fractures After Bankart Repair. Arthroscopy 2019; 35:2501-2508.e2. [PMID: 31395192 DOI: 10.1016/j.arthro.2019.02.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 01/25/2019] [Accepted: 02/07/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE To systematically review patient and technical risk factors for anterior glenoid rim fractures through suture anchor points (i.e. "postage stamp") after arthroscopic Bankart repair. METHODS An independent, duplicate search of Embase, Medline, and Web of Science databases, in addition to the past 5-year annual meeting abstracts of several prominent shoulder meetings, was conducted according to R-AMSTAR and Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines to identify English-language studies reporting this complication. RESULTS A screen of 2,833 studies yielded 6 for inclusion herein. Data across 43 patients, aged 14 to 61 years (mean 24.4), 5% female, and who were followed for 4 to 108 months postoperatively, were reviewed. Only 1 of 6 studies (n = 2) reported postage stamp fracture in female patients. Median time from initial surgery to fracture ranged from 12 to 24 months. Five of 6 studies (n = 32) reported a median age at initial surgery of 25 years or younger (range 17-35). Four of 6 studies (n = 30) reported fracture mostly after sport involvement. All studies (n = 35) reported initial fixation with a median of 3 anchors or more, 3 of 5 studies (n = 26) reported fracture entirely after conventional knot-tying anchors, and 5 of 6 studies (n = 24) reported more fractures after absorbable suture anchor use. Fractures occurred entirely through anchor holes in 5 of 6 studies (n = 29) and mostly after osteolysis in 3 of 4 studies (n = 19). Management strategies after fracture included revision arthroscopic Bankart repair or open Bristow/Latarjet procedures. CONCLUSION Postage stamp fractures were reported frequently in patients who were male, age 25 years or younger, and participants in sporting activities and in fractures initially stabilized with 3 or more anchors or conventional knot-tying anchors or that experienced osteolysis around anchor sites. LEVEL OF EVIDENCE Level IV, systematic review of level III and IV studies.
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Affiliation(s)
- Taylor Woolnough
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, Canada
| | - Ajay Shah
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, Canada
| | - Andrew J Sheean
- San Antonio Medical Center Orthopedics, San Antonio, Texas, U.S.A
| | - Bryson P Lesniak
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, U.S.A
| | - Ivan Wong
- Division of Orthopaedic Surgery, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Darren de Sa
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, ON, Canada.
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Bazzocchi A, Aparisi Gómez MP, Spinnato P, Marinelli A, Napoli A, Rotini R, Catalano C, Guglielmi G. Imaging the Postsurgical Upper Limb: The Radiologist Perspective. Radiol Clin North Am 2019; 57:977-1000. [PMID: 31351545 DOI: 10.1016/j.rcl.2019.03.009] [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: 10/26/2022]
Abstract
Imaging has a paramount role in postsurgical assessment. Radiologists need to be familiar with the different surgical procedures to be able to identify expected postsurgical appearances and also detect potential complications. This article reviews the indications, normal expected postsurgical appearances, and complications of the most frequently used surgical procedures in the shoulder, elbow, and wrist. The emphasis is on points that should not be overlooked in the surgical planning.
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Affiliation(s)
- Alberto Bazzocchi
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via G. C. Pupilli 1, Bologna 40136, Italy.
| | - Maria Pilar Aparisi Gómez
- Department of Radiology, National Women's Hospital, Auckland City Hospital, Greenlane Clinical Center, Auckland District Health Board, 2 Park Road, Grafton, Auckland 1023, New Zealand; Department of Ultrasound, National Women's Hospital, Auckland City Hospital, Greenlane Clinical Center, Auckland District Health Board, 2 Park Road, Grafton, Auckland 1023, New Zealand; Department of Radiology, Hospital Nisa Nueve de Octubre, Calle Valle de la Ballestera, 59, Valencia 46015, Spain
| | - Paolo Spinnato
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via G. C. Pupilli 1, Bologna 40136, Italy
| | - Alessandro Marinelli
- Shoulder and Elbow Surgery, IRCCS Istituto Ortopedico Rizzoli, Via G. C. Pupilli 1, Bologna 40136, Italy
| | - Alessandro Napoli
- Department of Radiologic, Oncologic and Pathologic Sciences, La Sapienza University of Rome, V.le Regina Elena 324, Rome 00180, Italy
| | - Roberto Rotini
- Shoulder and Elbow Surgery, IRCCS Istituto Ortopedico Rizzoli, Via G. C. Pupilli 1, Bologna 40136, Italy
| | - Carlo Catalano
- Department of Radiologic, Oncologic and Pathologic Sciences, La Sapienza University of Rome, V.le Regina Elena 324, Rome 00180, Italy
| | - Giuseppe Guglielmi
- Department of Radiology, University of Foggia, Viale Luigi Pinto 1, Foggia 71100, Italy
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Dickens JF, Slaven SE, Cameron KL, Pickett AM, Posner M, Campbell SE, Owens BD. Prospective Evaluation of Glenoid Bone Loss After First-time and Recurrent Anterior Glenohumeral Instability Events. Am J Sports Med 2019; 47:1082-1089. [PMID: 30943084 DOI: 10.1177/0363546519831286] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Determining the amount of glenoid bone loss in patients after anterior glenohumeral instability events is critical to guiding appropriate treatment. One of the challenges in treating the shoulder instability of young athletes is the absence of clear data showing the effect of each event. PURPOSE To prospectively determine the amount of bone loss associated with a single instability event in the setting of first-time and recurrent instability. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS The authors conducted a prospective cohort study of 714 athletes surveilled for 4 years. Baseline assessment included a subjective history of shoulder instability. Bilateral noncontrast shoulder magnetic resonance imaging (MRI) was obtained for all participants with and without a history of previous shoulder instability. The cohort was prospectively followed during the study period, and those who sustained an anterior glenohumeral instability event were identified. Postinjury MRI with contrast was obtained and compared with the screening MRI. Glenoid width was measured for each patient's pre- and postinjury MRI. The projected total glenoid bone loss was calculated and compared for patients with a history of shoulder instability. RESULTS Of the 714 athletes (1428 shoulders) who were prospectively followed during the 4-year period, 22 athletes (23 shoulders) sustained a first-time anterior instability event (5 dislocations, 18 subluxations), and 6 athletes (6 shoulders) with a history of instability sustained a recurrent anterior instability event (1 dislocation, 5 subluxations). On average, there was statistically significant glenoid bone loss (1.84 ± 1.47 mm) after a single instability event ( P < .001), equivalent to 6.8% (95% CI, 4.46%-9.04%; range, 0.71%-17.6%) of the glenoid width. After a first-time instability event, 12 shoulders (52%) demonstrated glenoid bone loss ≥5% and 4 shoulders, ≥13.5%; no shoulders had ≥20% glenoid bone loss. Preexisting glenoid bone loss among patients with a history of instability was 10.2% (95% CI, 1.96%-18.35%; range, 0.6%-21.0%). This bone loss increased to 22.8% (95% CI, 20.53%-25.15%; range, 21.2%-26.0%) after additional instability ( P = .0117). All 6 shoulders with recurrent instability had ≥20% glenoid bone loss. CONCLUSION Glenoid bone loss of 6.8% was observed after a first-time anterior instability event. In the setting of recurrent instability, the total calculated glenoid bone loss was 22.8%, with a high prevalence of bony Bankart lesions (5 of 6). The findings of this study support early stabilization of young active patients after a first-time anterior glenohumeral instability event.
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Affiliation(s)
- Jonathan F Dickens
- Keller Army Hospital, United States Military Academy, West Point, New York, USA.,Walter Reed National Military Medical Center, Bethesda, Maryland, USA.,Uniformed Services University of Health Sciences, Bethesda, Maryland, USA
| | - Sean E Slaven
- Walter Reed National Military Medical Center, Bethesda, Maryland, USA.,Uniformed Services University of Health Sciences, Bethesda, Maryland, USA
| | - Kenneth L Cameron
- Keller Army Hospital, United States Military Academy, West Point, New York, USA
| | - Adam M Pickett
- Keller Army Hospital, United States Military Academy, West Point, New York, USA.,Uniformed Services University of Health Sciences, Bethesda, Maryland, USA
| | - Matthew Posner
- Keller Army Hospital, United States Military Academy, West Point, New York, USA.,Uniformed Services University of Health Sciences, Bethesda, Maryland, USA
| | | | - Brett D Owens
- Uniformed Services University of Health Sciences, Bethesda, Maryland, USA.,Brown Alpert Medical School, Providence, Rhode Island, USA
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Ogimoto S, Miyazaki M, Tsuruta T, Tsumura H. Arthroscopic glenoid reconstruction for glenoid bone loss in recurrent anterior glenohumeral instability, using osteochondral autograft from the contralateral lateral femoral condyle: a new technique and case report. JSES OPEN ACCESS 2019; 2:104-108. [PMID: 30675576 PMCID: PMC6334857 DOI: 10.1016/j.jses.2017.12.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Masashi Miyazaki
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Oita, Japan
- Corresponding author: Masashi Miyazaki, MD, PhD, Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan. (M. Miyazaki).
| | | | - Hiroshi Tsumura
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Oita, Japan
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Schmiddem U, Hawi N, Liodakis E, Dratzidis A, Kraemer M, Hurschler C, Page R, Meller R. Monocortical fixation of the coracoid in the Latarjet procedure is significantly weaker than bicortical fixation. Knee Surg Sports Traumatol Arthrosc 2019; 27:239-244. [PMID: 29332226 DOI: 10.1007/s00167-018-4837-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 01/08/2018] [Indexed: 12/16/2022]
Abstract
PURPOSE A crucial step of the Latarjet procedure is the fixation of the coracoid process onto the glenoid. Multiple problems associated with the fixation have been described, including lesions of the suprascapular nerve due to prominence of the screw or bicortical drilling. The purpose of the present study was to evaluate whether monocortical fixation, without perforating the posterior glenoid cortex, would provide sufficient graft stability. METHODS Coracoid transfer was performed in 14 scapula models (Sawbones®, Composite Scapula, 4th generation). Two groups were assigned: in one group, fixation was achieved with two screws that did not perforate the posterior cortex of the glenoid neck (monocortical fixation), in the other group, fixation was achieved with perforation of the posterior cortex (bicortical fixation). The ultimate failure load and mode of failure were evaluated biomechanically. RESULTS Monocortical fixation was a significantly weaker construct than bicortical fixation (median failure load 221 N, interquartile range 211-297 vs. median failure load 423 N, interquartile range 273-497; p = 0.017). Failure was either due to a pullout of the screws from the socket or a fracture of the glenoid. There was no significant difference in the mode of failure between the two groups (n.s.). CONCLUSION Monocortical fixation was significantly weaker than bicortical fixation. However, bicortical drilling and overly long screws may jeopardize the suprascapular nerve. Thus, anatomic knowledge about the safe zone at the posterior rim of the glenoid is crucial. Until further research has evaluated, if the inferior stability is clinically relevant, clinicians should be cautious to use a monocortical fixation technique for the coracoid graft.
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Affiliation(s)
- Uli Schmiddem
- Trauma Department, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
| | - Nael Hawi
- Trauma Department, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Emmanouil Liodakis
- Trauma Department, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Antonios Dratzidis
- Trauma Department, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Manuel Kraemer
- Laboratory of Biomechanics and Biomaterials, Hannover Medical School, Hannover, Germany
| | - Christof Hurschler
- Laboratory of Biomechanics and Biomaterials, Hannover Medical School, Hannover, Germany
| | - Richard Page
- Orthopaedic Department, St. John of God Hospital and University Hospital Geelong, School of Medicine, Deakin University, Geelong, Australia
| | - Rupert Meller
- Trauma Department, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
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41
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Buckle-Down Technique for the Bony Reconstruction of Large Anterior Glenoid Defects. TECHNIQUES IN SHOULDER AND ELBOW SURGERY 2018. [DOI: 10.1097/bte.0000000000000151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Long Head of Biceps Tendon Transfer for Anterior Shoulder Instability. TECHNIQUES IN SHOULDER AND ELBOW SURGERY 2018. [DOI: 10.1097/bte.0000000000000153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Knapik DM, Cumsky J, Tanenbaum JE, Voos JE, Gillespie RJ. Differences in Coracoid and Glenoid Dimensions Based on Sex, Race, and Age: Implications for Use of the Latarjet Technique in Glenoid Reconstruction. HSS J 2018; 14:238-244. [PMID: 30258327 PMCID: PMC6148576 DOI: 10.1007/s11420-018-9618-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 04/30/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND The Latarjet procedure restores shoulder stability through reconstruction of the glenoid arc. Prior investigations of glenoid and coracoid dimensions have been underpowered to detect differences based on sex and race. QUESTIONS/PURPOSES We sought to establish normative values for glenoid width and coracoid dimensions based on sex, race, and age. In addition, we assessed the restoration of glenoid dimensions using the classic and modified Latarjet techniques (classic technique: placing lateral surface of the coracoid to the glenoid; modified technique: placing inferior surface of the coracoid to the glenoid). METHODS A total of 993 cadaveric specimens (n = 1986 scapulae) from people over 18 years of age at the time of death were analyzed. Measurements of maximal glenoid width, coracoid width, thickness, and length were recorded. Statistical analysis was performed to detect differences based on sex and race, while univariable linear regression was used to determine the association of increasing age on measured dimensions. RESULTS All dimensions of specimens were significantly larger in males than in females. Caucasians possessed larger mean glenoid width, coracoid width, and coracoid length, while coracoid thickness was significantly larger in African Americans. Linear regression analysis found that increasing age was associated with increased glenoid width and coracoid dimensions. Coracoid positioning restored glenoid width in defects measuring 20% of glenoid width using both classic and modified Latarjet techniques, while defects measuring up to 25% were more accurately reproduced using the modified technique. CONCLUSION Dimensions were significantly larger in males and in Caucasians, aside from coracoid thickness. Mean dimensions increased with advancing age. Coracoid positioning using classic or modified Latarjet techniques restored glenoid width defects measuring 20% of the glenoid width, while the modified technique allowed for restoration of larger defects.
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Affiliation(s)
- Derrick M. Knapik
- University Hospitals Sports Medicine Institute, 11100 Euclid Ave., Hanna House 5043, Cleveland, OH 44106 USA ,School of Medicine, Case Western Reserve University, Cleveland, OH USA
| | - Jameson Cumsky
- University Hospitals Sports Medicine Institute, 11100 Euclid Ave., Hanna House 5043, Cleveland, OH 44106 USA ,School of Medicine, Case Western Reserve University, Cleveland, OH USA
| | - Joseph E. Tanenbaum
- University Hospitals Sports Medicine Institute, 11100 Euclid Ave., Hanna House 5043, Cleveland, OH 44106 USA ,School of Medicine, Case Western Reserve University, Cleveland, OH USA
| | - James E. Voos
- University Hospitals Sports Medicine Institute, 11100 Euclid Ave., Hanna House 5043, Cleveland, OH 44106 USA ,School of Medicine, Case Western Reserve University, Cleveland, OH USA
| | - Robert J. Gillespie
- University Hospitals Sports Medicine Institute, 11100 Euclid Ave., Hanna House 5043, Cleveland, OH 44106 USA ,School of Medicine, Case Western Reserve University, Cleveland, OH USA
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Jeon YS, Jeong HY, Lee DK, Rhee YG. Borderline Glenoid Bone Defect in Anterior Shoulder Instability: Latarjet Procedure Versus Bankart Repair. Am J Sports Med 2018; 46:2170-2176. [PMID: 29879363 DOI: 10.1177/0363546518776978] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The optimal procedure for anterior shoulder instability with a borderline (15%-20%) bone defect on the anterior rim of the glenoid is still controversial. PURPOSE To compare the clinical outcome and recurrence rate between the arthroscopic Bankart repair and Latarjet procedure among patients with recurrent anterior shoulder instability and a borderline glenoid bone defect. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS The authors retrospectively reviewed cases of arthroscopic Bankart repair and the Latarjet procedure for recurrent anterior shoulder instability with a borderline (15%-20%) glenoid bone defect. Enrollment comprised 149 patients (Bankart group, n = 118; Latarjet group, n = 31). The mean follow-up and age at operation were 28.9 ± 7.3 months (range, 24-73 months) and 26 ± 5 years (range, 16-46 years), respectively. RESULTS Rowe and UCLA (University of California, Los Angeles) shoulder scores significantly improved from 42.0 ± 14.3 and 22.9 ± 3.2 preoperatively to 90.9 ± 15.4 and 32.5 ± 3.3 postoperatively in the Bankart group ( P < .001) and from 41.0 ± 17.9 and 22.3 ± 3.4 to 91.1 ± 16.1 and 32.3 ± 3.4 in the Latarjet group ( P < .001), respectively. There were no significant between-group differences in Rowe ( P = .920) or UCLA ( P = .715) scores at the final follow-up. Mean postoperative loss of motion during forward flexion, external rotation in abduction, and internal rotation to the posterior was 3.0° ± 6.2°, 11.6° ± 10.2°, and 0.6 spinal segment in the Bankart group and 3.7° ± 9.8°, 10.3° ± 12.8°, and 0.9 spinal segment in the Latarjet group, respectively. These differences were not significant. However, the loss of external rotation at the side was significantly greater in the Bankart group (13.3° ± 12.9°) than in the Latarjet group (7.3° ± 18.1°, P = .034). The overall recurrence rate was significantly higher in the Bankart group (22.9%) than in the Latarjet group (6.5%), ( P = .040). CONCLUSION The Latarjet procedure and arthroscopic Bankart repair both provided satisfactory clinical outcome scores and pain relief for anterior shoulder instability with a borderline glenoid bone defect. However, the Latarjet procedure resulted in significantly lower recurrences and less external rotation limitation than the arthroscopic Bankart repair. Therefore, the Latarjet procedure could be a more reliable surgical option in anterior recurrent instability with a borderline glenoid bone defect.
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Affiliation(s)
- Yoon Sang Jeon
- Department of Orthopedic Surgery, College of Medicine, Inha University Hospital, Incheon, Republic of Korea
| | - Ho Yeon Jeong
- Shoulder and Elbow Clinic, Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Dong Ki Lee
- Shoulder and Elbow Clinic, Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Yong Girl Rhee
- Shoulder and Elbow Clinic, Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
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Paoli AR, Pickell M, Mahure SA, McAllister D, Mai DH, Alaia MJ, Virk MS, Campbell KA. Trends and Risk Factors for 1-Year Revision of the Latarjet Procedure: The New York State Experience During the Past Decade. Orthopedics 2018; 41:e389-e394. [PMID: 29570763 DOI: 10.3928/01477447-20180320-07] [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: 09/23/2017] [Accepted: 01/22/2018] [Indexed: 02/03/2023]
Abstract
Little research has been conducted evaluating surgical trends during the past 10 years and subsequent procedure risk factors for patients undergoing bone-blocking procedures for the treatment of anterior shoulder instability. The Statewide Planning and Research Cooperative System database was queried between 2003 and 2014 to identify patients undergoing soft tissue or bone-blocking procedures for anterior shoulder instability in New York. Patient demographics and 1-year subsequent procedures were analyzed. Multivariate logistic regression analyses were conducted to identify 1-year subsequent procedure risk factors. From 2003 through 2014, a total of 540 patients had Latarjet procedures performed. During this period, the volume of Latarjet procedures increased by 950%, from 12 procedures in 2003 to 126 procedures in 2014. The volume of open Bankart repairs declined by 77%; arthroscopic Bankart repairs fluctuated, being up (328%) between 2003 and 2012 and then down (6%) between 2012 and 2014. Of the 540 patients, 2.4% (13 of 540) required intervention for recurrent shoulder instability events. Age older than 20 years and workers' compensation were identified as independent risk factors for reoperation. The number of bone-blocking procedures, such as the Latarjet, has increased by nearly 1000% during the past decade in New York. Only 2.4% (13 of 540) of the patients had subsequent shoulder instability interventions. [Orthopedics. 2018; 41(3):e389-e394.].
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Kim SJ, Choi CH, Choi YR, Lee W, Jung WS, Chun YM. Atypical traumatic anterior shoulder instability with excessive joint laxity: recurrent shoulder subluxation without a history of dislocation. J Orthop Surg Res 2018; 13:80. [PMID: 29642925 PMCID: PMC5896152 DOI: 10.1186/s13018-018-0791-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 03/29/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND No previously published studies have examined recurrent traumatic incomplete events in patients with excessive joint laxity. The purpose of this study is to investigate outcomes after arthroscopic stabilization for recurrent traumatic shoulder subluxation in patients with excessive joint laxity but no history of dislocation. METHODS This study included 23 patients with glenoid bone defects less than 20% who underwent arthroscopic stabilization of recurrent shoulder subluxation and were available for at least 2 years follow-up. Outcomes were assessed with the subjective shoulder value (SSV), University of California Los Angeles (UCLA) shoulder score, Rowe score, and sports/recreation activity level. RESULTS Postoperatively, overall functional scores improved significantly (p < 0.001), compared to preoperative scores: SSV improved from 49.1 to 90.4; Rowe score improved from 36.7 to 90.2; and UCLA shoulder score improved from 26.3 to 32.5. Patient satisfaction rate was 87% (20/23 patients). Sports/recreation activity level (return to premorbid activity level; grade I = 100% to grade IV = less than 70%) was grade I in 7 patients, grade II in 11, grade III in 3, grade IV in 2. The incidence of any glenoid bone defect was 61% (14/23 patients), and the mean glenoid bone defect size was 8%; among these 14 patients, 8 (35%) exhibited 15-20% glenoid bone defects. Instability reoccurred in 2 patients (9%) who had 15-20% glenoid bone defect. CONCLUSION Despite excessive joint laxity, overall functional outcomes after arthroscopic stabilization of recurrent shoulder subluxation were satisfactory. However, arthroscopic Bankart repair may not be reliable in patients with excessive joint laxity plus a glenoid bone defect size of more than approximately 15%.
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Affiliation(s)
- Sung-Jae Kim
- Department of Orthopaedic Surgery, Arthroscopy and Joint Research Institute, Severance Hospital, Yonsei University College of Medicine, CPO Box 8044, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, South Korea
| | - Chong-Hyuk Choi
- Department of Orthopaedic Surgery, Arthroscopy and Joint Research Institute, Severance Hospital, Yonsei University College of Medicine, CPO Box 8044, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, South Korea
| | - Yun-Rak Choi
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Wonyong Lee
- Department of Orthopaedic Surgery, Arthroscopy and Joint Research Institute, Severance Hospital, Yonsei University College of Medicine, CPO Box 8044, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, South Korea
| | - Woo-Seok Jung
- Department of Orthopaedic Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Yong-Min Chun
- Department of Orthopaedic Surgery, Arthroscopy and Joint Research Institute, Severance Hospital, Yonsei University College of Medicine, CPO Box 8044, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 120-752, South Korea.
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Abstract
Posterolateral humeral head defects can be large and engage on the anterior glenoid, and they usually contribute to anterior shoulder instability in 40% to 90% of cases. The purpose of this study is to evaluate the results of the largest series of patients who underwent arthroscopic remplissage with Bankart repair for recurrent anterior shoulder instability due to associated Bankart lesions, with large and engaging (> 25% involvement) humeral Hill-Sachs defects (HSDs). A total of 51 patients underwent arthroscopic Bankart repair with remplissage technique for the treatment of recurrent anterior glenohumeral instability with large and medial HSDs. Pre-operative imaging in all patients identified a Bankart lesion with an associated HSD that involved > 25% of the humeral head. The Rowe score was used to assess the patients clinically. A total of 46 patients were male. The mean age of the patients was 28.7 years (18 to 43). The mean follow-up period was 31 months (20 to 39). At the final follow-up, three patients reported recurrence of instability (two dislocations and one subluxation). The mean Rowe score improved to 95.4 points (function, 45.5 of 50; stability, 26.4 of 30; motion, 8 of 10; pain, 8 of 10). The arthroscopic remplissage technique with Bankart repair gave satisfactory results and is still considered to be an effective, safe and reliable procedure for treatment of glenohumeral instability in cases with large and medial HSDs. Cite this article: EFORT Open Rev 2017;2:478–483. DOI: 10.1302/2058-5241.2.160070
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Affiliation(s)
- Mohamed G Morsy
- El-Hadara Orthopaedic and Traumatology Hospital, Alexandria University, Egypt
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48
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Yates JB, Choudhry MN, Waseem M. Managing Bony Defects of the Shoulder Joint that Occur in Association with Dislocation. Open Orthop J 2018; 11:1245-1257. [PMID: 29290863 PMCID: PMC5721330 DOI: 10.2174/1874325001711011245] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 09/27/2017] [Accepted: 09/30/2017] [Indexed: 11/22/2022] Open
Abstract
Background Defects to the articular surface of the humeral head have been known to be associated with shoulder dislocation since the 19th century. It wasn't until 1934 that the first description of the ubiquitous compression fracture of the posterolateral humeral head that occurs with traumatic anterior instability appeared. From 1940, this defect became referred to as a Hill-Sachs lesion after the investigators who reported the condition. The significance of, and therefore treatment of, these and other such bony defects around the shoulder joint has been hotly debated. Methods We reviewed the available current literature to determine and report on the most up to date concepts and treatment techniques being used to manage bony defects of the shoulder. Results Numerous surgical options have been proposed to manage bony defects of the shoulder, including a variety of defect-filling procedures, with good outcomes. However, the small numbers and diversity of case mix makes for difficult comparisons. Conclusion We are currently developing a greater appreciation of how both the humeral and glenoid defects interact and therefore should be assessed and addressed simultaneously in order to improve patient outcomes. More research and collaboration is needed to determine the optimal method of assessing and managing these patients.
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Affiliation(s)
- Jonathan Brian Yates
- Blackpool Teaching Hospitals NHS Foundation Trust Ringgold standard institution - Trauma and Orthopaedics Blackpool, Blackpool, United Kingdom of Great Britain and Northern Ireland, UK
| | - Muhammad Naghman Choudhry
- Blackpool Teaching Hospitals NHS Foundation Trust Ringgold standard institution - Trauma and Orthopaedics Blackpool, Blackpool, United Kingdom of Great Britain and Northern Ireland, UK
| | - Mohammad Waseem
- Blackpool Teaching Hospitals NHS Foundation Trust Ringgold standard institution - Trauma and Orthopaedics Blackpool, Blackpool, United Kingdom of Great Britain and Northern Ireland, UK
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49
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Parada SA, Eichinger JK, Dumont GD, Parada CA, Greenhouse AR, Provencher MT, Higgins LD, Warner JJP. Accuracy and Reliability of a Simple Calculation for Measuring Glenoid Bone Loss on 3-Dimensional Computed Tomography Scans. Arthroscopy 2018; 34:84-92. [PMID: 29066267 DOI: 10.1016/j.arthro.2017.07.032] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 07/25/2017] [Accepted: 07/27/2017] [Indexed: 02/02/2023]
Abstract
PURPOSE To establish the accuracy and reliability of the circle-line method (CLM) of measuring glenoid bone loss; to compare the CLM calculation with a traditionally used method of calculating a ratio; and to evaluate surgeons' ability to estimate the amount of glenoid bone loss before performing any calculations. METHODS Three-dimensional reconstructions of computed tomography scans of consecutive patients with anterior instability and glenoid bone loss were reviewed by 13 surgeons blinded to the diagnosis. The reviewers made estimations of bone loss before creating any measurements by viewing the available computed tomography scan as well as the 3-dimensional reconstructions. They selected an en face view of the glenoid to create a best-fit circle. Bone loss calculation with a traditional linear method as well as a CLM calculated by algebraic geometry was completed. The CLM requires calculation of the diameter of a best-fit circle on the glenoid, as well as the length of a single line along the circle representing the line of bone loss. All methods were compared with a computerized method of tracing the area of the glenoid within a best-fit circle. Interobserver and intraobserver calculations were performed. Analysis-of-variance testing was used to compare the estimates of bone loss versus the CLM-calculated bone loss. Tukey post hoc analysis was used to define the accuracy of the CLM calculation compared with a more traditional method of calculating bone loss. RESULTS Bone loss estimations were significantly different from CLM-calculated bone loss in all cases except those with greater than 25% bone loss. The CLM was more accurate in all types of bone loss except cases of greater than 25% bone loss. Interobserver reliability was very good for the glenoid diameter measurement and moderate for the CLM. Intraobserver reliability ranged from moderate to good for all methods of measurement. CONCLUSIONS Surgeon estimations of glenoid bone loss, as well as traditional line-measurement calculations, are inconsistent and unreliable for accurate determination of the optimal surgical treatment for anterior shoulder instability. The CLM is a simple, reproducible, and accurate method for determining glenoid bone loss and does not require specialized software or imaging protocols. LEVEL OF EVIDENCE Level II, diagnostic study.
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Affiliation(s)
- Stephen A Parada
- Department of Orthopaedic Surgery, Eisenhower Army Medical Center, Fort Gordon, Georgia.
| | - Josef K Eichinger
- Department of Orthopedic Surgery, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Guillaume D Dumont
- Department of Orthopaedic Surgery, University Specialty Clinics, Columbia, South Carolina, U.S.A
| | | | - Alyssa R Greenhouse
- Department of Orthopedic Surgery, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | | | - Laurence D Higgins
- Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, U.S.A
| | - Jon J P Warner
- Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, U.S.A
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Fox JA, Sanchez A, Zajac TJ, Provencher MT. Understanding the Hill-Sachs Lesion in Its Role in Patients with Recurrent Anterior Shoulder Instability. Curr Rev Musculoskelet Med 2017; 10:469-479. [PMID: 29101634 PMCID: PMC5685959 DOI: 10.1007/s12178-017-9437-0] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE OF REVIEW The purpose of this study is to provide an update to the orthopedic field in regard to treatment of the Hill-Sachs lesion and anterior shoulder instability. The review highlights the most current knowledge of epidemiology, clinical evaluation, and surgical methods used to treat Hill-Sachs lesions. It also details the relevant clinical and surgical findings that have been made throughout the literature in the past couple of years. RECENT FINDINGS The most recent literature covering the Hill-Sachs lesion has focused on the relatively new and unexplored topic of the importance of concomitant injuries while treating a humeral head defect. The glenoid track concept has been clinically validated as a method to predict engagement. 3D-CT has become the "gold standard" for Hill-Sachs imaging; however, it has been noted that 3D-MRI produces results that are not significantly different from CT. Also, it has been found that when the arm is in a position of abduction during the primary injury, there is a higher risk of engagement and subsequent dislocation. Recent studies have demonstrated successful results stemming from purely arthroscopic procedures in treating Hill-Sachs lesions. Anterior shoulder instability, specifically the Hill-Sachs lesion, is an area of orthopedic study that is highly active and constantly producing new studies in an attempt of gaining the best outcomes for patients. The past few years have yielded many excellent discoveries, but there is still much more work to be done in order to fully understand the role of the Hill-Sachs lesion in anterior shoulder instability.
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Affiliation(s)
- Jake A Fox
- Steadman Philippon Research Institute, 181 West Meadow Drive, Suite 1000, Vail, CO, 81657, USA
| | - Anthony Sanchez
- Steadman Philippon Research Institute, 181 West Meadow Drive, Suite 1000, Vail, CO, 81657, USA
| | | | - Matthew T Provencher
- Steadman Philippon Research Institute, 181 West Meadow Drive, Suite 1000, Vail, CO, 81657, USA.
- The Steadman Clinic, Vail, CO, USA.
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