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4 Change in patient-reported outcomes in patients with and without mechanical symptoms undergoing arthroscopic meniscal surgery: a prospective cohort study
IntroductionMechanical symptoms are considered an important indication for meniscal surgery. We investigated if young (≤40 years) and older (>40 years) patients, respectively, with preoperative mechanical symptoms improved more in patient-reported outcomes after meniscal surgery than those withou...
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Published in: | British journal of sports medicine 2018-04, Vol.52 (Suppl 1), p.A2 |
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Main Authors: | , , , , , , , |
Format: | Article |
Language: | English |
Online Access: | Get full text |
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Summary: | IntroductionMechanical symptoms are considered an important indication for meniscal surgery. We investigated if young (≤40 years) and older (>40 years) patients, respectively, with preoperative mechanical symptoms improved more in patient-reported outcomes after meniscal surgery than those without mechanical symptoms.Materials and methodsPatients from Knee Arthroscopy Cohort Southern Denmark (KACS) undergoing arthroscopic meniscal surgery between February 2013 and January 2015 completed online questionnaires pre-surgery, and at 12 and 52 weeks follow-up. Questionnaires included self-reported presence of mechanical symptoms (i.e. sensation of catching and/or locking) and the Knee Injury and Osteoarthritis Outcome Score (KOOS). Between-group differences in change in 4 of 5 KOOS subscales (KOOS4) from baseline to 52 weeks were analysed using an adjusted mixed linear model.Results150 young patients (mean age 31 (SD 7), 67% men) and 491 older patients (mean age 54 (SD 9), 53% men) constituted the baseline cohorts. In general, patients with mechanical symptoms had worse self-reported outcomes before surgery. At 52 weeks follow-up, young patients with preoperative mechanical symptoms had improved more in KOOS4 scores than young patients without preoperative mechanical symptoms (adjusted mean difference 10.5, 95% CI: 4.3 to 16.6), but did not exceed their absolute KOOS4 scores. No essential difference in improvement was observed between older patients with or without mechanical symptoms (adjusted mean difference 0.7, 95% CI: −2.6 to 3.9).ConclusionYoung patients (≤40 years) with preoperative mechanical symptoms experienced greater improvements after arthroscopic meniscal surgery compared to young patients without mechanical symptoms. Randomised controlled trials are needed to confirm this potential subgroup benefit. |
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ISSN: | 0306-3674 1473-0480 |
DOI: | 10.1136/bjsports-2018-099334.4 |