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MRI-Detected Knee Ligament Sprains and Associated Internal Derangement in Athletes Competing at the Rio de Janeiro 2016 Summer Olympics

Authors Kompel A, Haran PH, Murakami AM, Engebretsen L, Jarraya M, Roemer F, Guermazi A

Received 24 November 2020

Accepted for publication 16 February 2021

Published 8 March 2021 Volume 2021:12 Pages 23—32

DOI https://doi.org/10.2147/OAJSM.S292763

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Andreas Imhoff


Andrew Kompel,1 Prashanth H Haran,1 Akira M Murakami,1 Lars Engebretsen,2– 4 Mohamed Jarraya,1,5 Frank Roemer,1,6,* Ali Guermazi1,7,*

1Department of Radiology, Boston University School of Medicine, Boston, MA, USA; 2Medical and Scientific Department, International Olympic Committee, Lausanne, Switzerland; 3Oslo Sports Trauma Research Center, Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway; 4Department of Orthopedic Surgery, Oslo University Hospital, University of Oslo, Oslo, Norway; 5Department of Radiology, Brigham and Women’s Hospital, Boston, MA, USA; 6Department of Radiology, Friedrich-Alexander University Erlangen-Nürnberg, & Universitätsklinikum Erlangen, Erlangen, Germany; 7Department of Radiology, VA Boston Health System, Boston, MA, USA

*These authors contributed equally to this work

Correspondence: Andrew Kompel
Department of Radiology, Boston University School of Medicine, 820 Harrison Avenue, FGH Building 3rd Floor, Boston, MA, 02118, USA
Tel +1 617 638-6610
Fax +1 617 638-6616
Email [email protected]

Purpose: Describe the frequency and severity of knee ligament sprains diagnosed by MRI in athletes participating at the 2016 Summer Olympic Games, their association with certain sports and assess correlations with additional knee structural injury.
Patients and Methods: All knee MRIs performed in the Olympic Village and polyclinics during the 2016 Olympics were retrospectively, blindly reviewed for ligament sprains and associated knee injuries. In addition to the absence or presence of these abnormalities, athletes were stratified by age, gender and sport.
Results: 11,274 athletes participated in the 2016 Olympic Games: 113 athletes received at least one knee MRI with some having bilateral or repeat MRI on the same knee. Anterior cruciate and medial collateral ligament (ACL/MCL) sprains were most common, accounting for 32 of the 43 sprains (74.4%). Wrestling (10), hockey (7), athletics (7), and judo (5) accounted for over half of ligament sprains. ACL sprains showed a significant positive correlation with medial, lateral meniscal tears and bone contusions. The positive correlation between posterior cruciate ligament (PCL) sprains with MCL/lateral collateral ligament sprain, and popliteus tendon tear was statistically significant with 50% of total PCL sprains occurring in hockey. When athletes were stratified by gender, ligament sprains had a similar occurrence and distribution between men and women.
Conclusion: Knee ligament sprains, at the Rio 2016 Games, were most common in wrestling, hockey, athletics and judo with ACL and MCL sprains most frequent. Meniscal tears and bone contusions occurred often with ACL sprains. PCL sprains tended to be multi-ligamentous injuries. Sustained ligament sprains had similar occurrence between genders, while men had a peak incidence of sprains at a younger age and women at an older age.

Keywords: Olympics, knee, ligament, sprain, MRI

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