Tashiro Y, Okazaki K, Murakami K, Matsubara H, Osaki K, Iwamoto Y, Nakashima Y. Anterolateral rotatory instability in vivo correlates tunnel position after anterior cruciate ligament reconstruction using bone-patellar tendon-bone graft. World J Orthop 2017; 8(12): 913-921 [PMID: 29312850 DOI: 10.5312/wjo.v8.i12.913]
Corresponding Author of This Article
Yasutaka Tashiro, MD, PhD, Department of Orthopaedic Surgery, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan. 11yasu@med.kyushu-u.ac.jp
Research Domain of This Article
Orthopedics
Article-Type of This Article
Retrospective Cohort Study
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Tashiro Y, Okazaki K, Murakami K, Matsubara H, Osaki K, Iwamoto Y, Nakashima Y. Anterolateral rotatory instability in vivo correlates tunnel position after anterior cruciate ligament reconstruction using bone-patellar tendon-bone graft. World J Orthop 2017; 8(12): 913-921 [PMID: 29312850 DOI: 10.5312/wjo.v8.i12.913]
World J Orthop. Dec 18, 2017; 8(12): 913-921 Published online Dec 18, 2017. doi: 10.5312/wjo.v8.i12.913
Anterolateral rotatory instability in vivo correlates tunnel position after anterior cruciate ligament reconstruction using bone-patellar tendon-bone graft
Yasutaka Tashiro, Ken Okazaki, Koji Murakami, Hirokazu Matsubara, Kanji Osaki, Yukihide Iwamoto, Yasuharu Nakashima
Yasutaka Tashiro, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA 15213, United States
Yasutaka Tashiro, Ken Okazaki, Koji Murakami, Hirokazu Matsubara, Kanji Osaki, Yukihide Iwamoto, Yasuharu Nakashima, Department of Orthopaedic Surgery, Kyushu University, Fukuoka 812-8582, Japan
Author contributions: Tashiro Y designed the study, performed surgeries and followed up patients; he analyzed the data and drafted the manuscript; Okazaki K assisted designing the study, performed surgeries and followed up patients; he revised the manuscript; Murakami K performed subjective and objective data collection, assisted data analysis and evaluation; Matsubara H and Osaki K performed kinematic data collection, assisted data analysis and evaluation; Iwamoto Y helped grant writing, directed all clinical aspects and co-supervised the entire research; Nakashima Y directed all clinical aspects and supervised the entire research.
Supported by JSPS Fellowships for Research Abroad, No. H27-787; and International Research Fund for Subsidy of Kyushu University School of Medicine Alumni.
Institutional review board statement: This study protocol was approved by the institutional review board (IRB ID: 24-108) of Kyushu University (3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8582, Japan).
Informed consent statement: All subjects gave their informed consent before they were included to this study.
Conflict-of-interest statement: The authors declare that they have no conflict of interest.
Correspondence to: Yasutaka Tashiro, MD, PhD, Department of Orthopaedic Surgery, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan. 11yasu@med.kyushu-u.ac.jp
Telephone: +81-92-6425488 Fax: +81-92-6425507
Received: November 22, 2016 Peer-review started: November 23, 2016 First decision: February 17, 2017 Revised: February 23, 2017 Accepted: October 29, 2017 Article in press: October 29, 2017 Published online: December 18, 2017 Processing time: 390 Days and 22.7 Hours
Core Tip
Core tip: Anterolateral rotatory instability was quantitatively assessed in 40 anterior cruciate ligament-reconstructed knees with bone-patellar tendon-bone autografts using a Slocum anterolateral rotatory instability test in open magnetic resonance imaging 1-1.5 years after surgery, and correlated to tunnel positions evaluated by high resolution computed tomography scan 2 wk after surgery. Femoral tunnel positions were shallower (P < 0.01) and higher (P < 0.001), and tibial tunnel positions were more posterior (P < 0.05) in the trans-tibial (TT) group, compared with the trans-portal (TP) group. Anterolateral rotatory translations were significantly correlated with the shallow femoral tunnel positions, and they were greater in the TT group (3.2 ± 1.6 mm) than in the TP group (2.0 ± 1.8 mm) (P < 0.05).
