ArticleArthroplasty today2026
Improved Pain and Function, Low Complication Rates, and 95% Patient Satisfaction at 2 Years After Medially Stabilized Total Knee Arthroplasty: A Prospective Multicenter Cohort Study.
Article in Arthroplasty today, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors.
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Abstract
Background: The medially stabilized (MS) knee concept has gained wider acceptance in recent years. However, to date, there is inconsistent evidence for its merits over traditional total knee arthroplasty (TKA) designs. The aim of this study was to assess the clinical performance of a second-generation medially stabilized knee obtainable by multiple, independent surgeons in a general TKA population. Methods: Fifteen surgeons (16 hospitals) participated in this prospective nonrandomized cohort study of 568 patients (608 knees). Demographics represented a standard primary TKA population. Data were collected for baseline characteristics and outcome measures at 6, 12, and 24 months postoperatively for range of motion, the Knee injury and Osteoarthritis Outcome Score, Oxford Knee Score, EuroQol 5-Dimension visual analog scale, University of California Los Angeles activity score, Forgotten Joint Score, patient satisfaction scores, and complications. Results: Overall, 548 TKAs were included in the final 2-year follow-up (90.8% follow-up). The revision rate at 2 years was 0.99% (6 knees revised). All measures reported significant improvement from preoperative to 24 months ( Conclusions: We found that use of a second-generation MS knee design by multiple surgeons can produce excellent outcomes, with low complication rates and higher levels of patient satisfaction, than those reported in the literature for traditional TKAs. This study represents the largest cohort, multisurgeon, prospective study reported in the literature for the introduction of a new generation MS TKA and supports its wider adoption.
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