ReviewFrontiers in surgery2026
Impact of lateral meniscus injury on the efficacy of medial unicompartmental knee arthroplasty in patients with anteromedial osteoarthritis: a systematic review and meta-analysis.
Review 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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Authors and funding
7 authors.
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Abstract
Objective: To evaluate the effect of lateral meniscus injury on the clinical outcome of medial unicompartmental knee arthroplasty (UKA) for anteromedial osteoarthritis (AMOA), and to provide evidence-based support for clinical decision-making. Methods: A systematic literature search was conducted across PubMed, Embase, Cochrane Library, Web of Science, Chinese Biomedical Literature Database (CBM), China National Knowledge Infrastructure (CNKI), Wanfang, and VIP databases from inception to March 1, 2026. Data synthesis and meta-analysis were performed using RevMan 5.4 software. Sensitivity and subgroup analyses were conducted where appropriate, and the certainty of evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. Results: A total of 8 retrospective cohort studies comprising 1,709 patients were included. No significant differences were observed between patients with and without lateral meniscal abnormalities in postoperative knee function scores [standardized mean difference (SMD) = -0.06, 95% confidence interval (CI) (-0.26, 0.14), Conclusion: Available evidence suggests that asymptomatic or mild degenerative lateral meniscal abnormalities may not significantly impair short- to mid-term clinical outcomes after medial UKA in appropriately selected patients with AMOA. Therefore, an asymptomatic lateral meniscal abnormality alone should not necessarily be considered an absolute contraindication to medial UKA. However, these findings should not be extrapolated to symptomatic, unstable, traumatic, or root tears or to patients with advanced lateral-compartment cartilage loss.
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