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Greater activity, better range of motion and higher quality of life following unicompartmental knee arthroplasty: a comparative case–control study
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Greater activity, better range of motion and higher quality of life following unicompartmental knee arthroplasty: a comparative case–control study
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Greater activity, better range of motion and higher quality of life following unicompartmental knee arthroplasty: a comparative case–control study
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Journal Article
Greater activity, better range of motion and higher quality of life following unicompartmental knee arthroplasty: a comparative case–control study
2020
Overview
PurposeThe purpose of this study was to provide a matched cohort comparison of clinical and functional outcome scores, range of motion and quality of life following unicompartmental knee arthroplasty (UKA) or total knee arthroplasty (TKA). The hypothesis was that patients receiving UKA report better results than comparable patients who receive conventional TKA.MethodsClinical and functional results of 35 patients with medial end-stage osteoarthritis who had received a fixed-bearing UKA were compared with the results of 35 matched patients who had received a TKA from the same manufacturer by the same surgeon. Outcome scores were measured before surgery and at final follow-up using Tegner Activity Scale (TAS), range of motion (ROM) and Short Form 36 Health Survey (SF-36). The Knee Society Score (KSS) was assessed at final follow-up. The mean observation period was 2.3 years in both groups.ResultsThe preoperative knee scores had no statistically significant differences between the two groups. Postoperatively, however, UKAs performed significantly better regarding TAS and ROM (4 vs. 3 and 118.4 vs. 103.7, respectively). The results of the SF-36 showed significantly better results for the UKA group in the mental component summary score and in the subscale of social function.ConclusionsThe present study suggests that UKA is associated with higher activity level, higher quality of life, and greater ROM when compared with TKA on comparable patients. Prolonged clinical follow-up in a larger patient cohort with a randomised-controlled study design would be beneficial to confirm these findings.Level of evidenceIII.
Publisher
Springer Nature B.V
Subject
