Abstract
AbstractPurposeThis study aims to evaluate clinical and patient‐reported outcome measures (PROMs) of patients 40 years and older that underwent anterior cruciate ligament reconstruction (ACLR) and determine the influence of preexisting arthritis and chondral wear on ACLR outcomes. We hypothesized that patients aged 40+ with ACLR would have excellent clinical outcomes and PROMs regardless of preexisting arthritic changes.MethodsA total of 118 patients were included. Patients aged 40 years and older who underwent ACLR in a single healthcare system between 2009 and 2016 were eligible. Outcomes assessed include Knee Injury and Osteoarthritis Outcome Scores (KOOS), Single Assessment Numeric Evaluation (SANE) scores, intraoperative Outerbridge grading, preoperative Kellgren–Lawrence (KL) grading and postoperative complication rates over a 2‐year period.ResultsAverage increase in KOOS and SANE scores were 21.2 19.9 and 23.5 31.3, respectively. Patients with Outerbridge grade III and IV lesions in weight‐bearing compartments had lower baseline SANE and KOOS scores than those without (47.1 ± 22.0 vs. 64.5 ± 23.6 baseline SANE and 43.1 ± 18.1 vs. 63.5 ± 15.9 baseline KOOS; p = 0.002 and p < 0.001, respectively) with no significant difference in the amount of change in SANE or KOOS scores (p = 0.111 and p = 0.165 respectively). Patients with KL‐grade 2+ osteoarthritis experienced similar changes in KOOS and SANE over the 2‐year period to their counterparts (p = 0.598 and p = 0.643, respectively).ConclusionThere is no correlation between preexisting osteoarthritic changes or chondral defects and PROs. KOOS and SANE scores both increased postoperatively. When treating older patients with an ACL tear, surgeons should consider the activity level and desires of the patient as they determine appropriate treatment. Preexisting osteoarthritis does not correlate with patient‐reported outcomes for ACLR.Level of EvidenceLevel IV
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