Affiliation:
1. Department of Surgery, Faculty of Medical and Health Sciences University of Auckland Auckland New Zealand
2. Department of Orthopaedic Surgery North Shore Hospital Auckland New Zealand
3. Forte Sports Christchurch New Zealand
4. Department of Orthopaedic Surgery Middlemore Hospital Auckland New Zealand
Abstract
AbstractPurposeThis study aimed to identify the risk factors for meniscal repair failure following concurrent primary anterior cruciate ligament (ACL) reconstruction.MethodsProspective data recorded by the New Zealand ACL Registry and the Accident Compensation Corporation were reviewed. Meniscal repairs performed during concurrent primary ACL reconstruction were included. Repair failure was defined as a subsequent reoperation involving meniscectomy of the repaired meniscus. Multivariate survival analysis was performed to identify the risk factors for failure.ResultsA total of 3,024 meniscal repairs were analysed with an overall failure rate of 6.6% (n = 201) at a mean follow‐up of 2.9 years (SD 1.5). The risk of medial meniscal repair failure was higher with hamstring tendon autografts (adjusted HR [aHR] = 2.20, 95% CI 1.36–3.56, p = 0.001), patients aged 21–30 years (aHR = 1.60, 95% CI 1.30–2.48, p = 0.037) and in patients with cartilage injury in the medial compartment (aHR = 1.75, 95% CI 1.23–2.48, p = 0.002). The risk of lateral meniscal repair failure was higher in patients aged ≤ 20 years (aHR = 2.79, 95% CI 1.17–6.67, p = 0.021), when the procedure was performed by a low case volume surgeon (aHR = 1.84, 95% CI 1.08–3.13, p = 0.026) and when a transtibial technique was used to drill the femoral graft tunnel (aHR = 2.30, 95% CI 1.03–5.15, p = 0.042).ConclusionThe use of a hamstring tendon autograft, younger age and the presence of medial compartment cartilage injury are risk factors for medial meniscal repair failure, whereas younger age, low surgeon volume and a transtibial drilling technique are risk factors for lateral meniscal repair failure.Level of evidenceLevel II.
Subject
Orthopedics and Sports Medicine,Surgery
Cited by
5 articles.
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