ArticleJournal of experimental orthopaedics2025
No difference in revision rate in patella-friendly total knee arthroplasty with or without patella resurfacing at 5 years' follow-up. A database analysis.
Article in Journal of experimental orthopaedics, 2025. 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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5 authors.
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Abstract
Purpose: Numerous studies have been published on the optimal management of the patella during total knee arthroplasty (TKA), but controversy remains. The aim of this study was to compare survivorship and functional outcomes with or without patella resurfacing, using a single TKA implant. Methods: This retrospective database analysis included 6078 TKA of the same cruciate-sacrificing, mobile-bearing, 'patella-friendly' model implanted between March 2002 and December 2018 for primary osteoarthritis. TKAs implanted for inflammatory arthritis or bone tumour were excluded. The implant's survivorship was estimated at 5 years' follow-up using the Kaplan-Meier method. Functional assessments consisted of the KSS score and knee flexion. Results: The 1641 patients who had at least 5 years' follow-up were separated into two groups: patella resurfacing (PR) ( Conclusion: Systematic patella resurfacing when doing TKA using the SCORE™ implant does not reduce the overall revision rate and does not improve functional scores. When only the revisions for patella-related complications are considered, the revision rate is lower in the NPR group. Knee flexion is better in patients who underwent patellar resurfacing, but this difference did not reach the clinically relevant threshold. Level of Evidence: Level III, retrospective cohort study.
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