Incidence of Associated Knee Lesions with Torn Anterior Cruciate Ligament: Retrospective Cohort Assessment

in Journal of Sport Rehabilitation
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The records of 141 consecutive patients with confirmed complete anterior cruciate ligament injuries were reviewed retrospectively. One hundred and sixty-two associated injuries were divided into 25 injury complexes. Isolated injuries to the anterior cruciate ligament occurred in 40 cases (28.4%). Injuries of the medial meniscus occurred in 62 cases (38.2%), while injuries of the lateral meniscus occurred in 37 cases (22.8%). Injuries to the medial collateral ligament complex occurred in 42 cases (25.9%). Injuries to the lateral collateral ligament, posterior deep popliteus-arcuate ligament complex, and posterior cruciate ligament were found to be positively correlated (rho = .81, p = .001, and rho = .77, p = .001, N = 141, respectively). Injuries to the medial collateral ligament and the posterior oblique ligament were likewise positively correlated (rho = .45, p = .001, N = 141).

The authors are with the Department of Surgery, Division of Orthopedics, Lehigh Valley Hospital, Allentown, PA. Direct correspondence to George Arangio, 1230 South Cedar Crest Blvd., Suite #101-A, Allentown, PA 18103.

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