ArticleOrthopadie (Heidelberg, Germany)2026
[Good recovery of leisure activities and sport after primary implantation of cementless knee arthroplasty after 5 years : A retrospective study].
Article in Orthopadie (Heidelberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe ability to resume sporting activities after total knee arthroplasty (TKA) is a key concern for many patients. While cementless implantation techniques are gaining relevance, long-term data on their impact on physical activity are limited. This study aimed to evaluate individual leisure activities and functional outcomes following cementless TKA over a five-year period. MATERIALS AND
methodsA retrospective analysis of prospectively collected data was conducted on 42 patients (age 35-80 years) who underwent primary cementless TKA (Attune, DePuy) between April 2017 and April 2018. For each patient, the three most relevant sports were identified using the Knee Society Score (KSS) and compared pre- and postoperatively (1 and 5 years). Additionally, activity-related subscales of the KSS and KOOS (Knee injury and Osteoarthritis Outcome Score) were evaluated. Statistical analyses included Wilcoxon, Friedman, and Spearman correlation tests.
resultsPatient-reported outcome measures (PROMs) showed significant improvements in sports-related performance (p 0.05) at 1 and 5 years postoperatively. Pain during favorite sports decreased from "severe" to "mild." KSS activity subgroups improved from "severe-moderate" to "moderate-mild," and KOOS subgroups from "extreme-severe" to "moderate." KSS and KOOS scores showed strong correlation. No aseptic loosening or periprosthetic infections were observed.ConclusionCementless TKA allows for a sustained return to sporting activity with significant symptom reduction over a five-year period, without increased risk of implant loosening. These findings support realistic patient counseling regarding postoperative expectations. DISCUSSION: This study demonstrates that patients benefit long term from a significant improvement in athletic ability after cementless TKA. Recent studies suggest that cementless techniques are not only equivalent to cemented approaches but may even be superior in certain aspects. The low loosening rate further supports the use of cementless TKA in physically active patients.
conclusionCementless TKA allows for a sustained return to athletic activities with a significant reduction in discomfort. No loosening occurred over the 5‑year period. The results of this study can aid in patient counseling to set realistic expectations regarding postoperative athletic performance.
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