ArticleFrontiers in surgery2026
Fixed-bearing unicompartmental vs. total knee arthroplasty in elderly patients with medial osteoarthritis and anterior cruciate ligament deficiency: a retrospective comparative study.
Article in Frontiers in surgery, 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: To compare fixed-bearing unicompartmental knee arthroplasty (UKA) and total knee arthroplasty (TKA) in elderly patients with medial compartment osteoarthritis and anterior cruciate ligament (ACL) deficiency. Methods: A retrospective case-control study with 1:1 propensity score matching was performed, enrolling 85 UKA and 85 TKA patients. Baseline covariates were well balanced (all standardized mean differences <0.1). Perioperative data, knee range of motion (ROM), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores, Tegner scores, patient satisfaction, and complications were analyzed over 5-year follow-up. Results: UKA was associated with significantly lower postoperative pain (VAS: 3.65 ± 1.11 vs. 5.03 ± 0.78; MD -1.38, 95% CI -1.67 to -1.09; Conclusion: Fixed-bearing UKA may represent a suitable alternative in carefully selected elderly patients with ACL-deficient medial osteoarthritis, yielding favorable perioperative recovery and comparable 5-year safety to TKA. Prospective multicenter studies are required to validate these findings.
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