Identifying persistent symptoms of knee osteoarthritis following anterior cruciate ligament (ACL) reconstruction may allow for earlier interventions and improved outcomes, according to a recent study published by Harkey et al in the Journal of Athletic Training. Investigators analyzed changes in early knee osteoarthritis symptoms 6 to 12 months post–unilateral primary ACL reconstruction in 82 patients aged 13 to 35 years. They used the Luyten Original and Luyten PASS thresholds on Knee Injury and Osteoarthritis Outcome Score subscales to classify patients’ early knee osteoarthritis symptoms. The investigators found that 22% of the patients presented with persistent knee osteoarthritis symptoms and 48% to 51% presented with no symptoms after follow-up visits at 6 and 12 months. Between the follow-up visits, 18% to 27% of the patients experienced resolution of their symptoms and 4% to 9% developed incident symptoms. The investigators hope their findings can inform the use of postoperative symptom tracking to determine which patients with early knee osteoarthritis symptoms may benefit from timely targeted interventions.


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