• Acta orthopaedica · Jan 2015

    The risk of revision in total knee arthroplasty is not affected by previous high tibial osteotomy.

    • Mona Badawy, Anne M Fenstad, Kari Indrekvam, Leif I Havelin, and Ove Furnes.
    • a 1 Kysthospital in Hagavik, Hagavik.
    • Acta Orthop. 2015 Jan 1; 86 (6): 734-9.

    Background And PurposePrevious studies have found different outcomes after revision of knee arthroplasties performed after high tibial osteotomy (HTO). We evaluated the risk of revision of total knee arthroplasty with or without previous HTO in a large registry material.Patients And Methods31,077 primary TKAs were compared with 1,399 TKAs after HTO, using Kaplan-Meier 10-year survival percentages and adjusted Cox regression analysis.ResultsThe adjusted survival analyses showed similar survival in the 2 groups. The Kaplan-Meier 10-year survival was 93.8% in the primary TKA group and 92.6% in the TKA-post-HTO group. Adjusted RR was 0.97 (95% CI: 0.77-1.21; p = 0.8).InterpretationIn this registry-based study, previous high tibial osteotomy did not appear to compromise the results regarding risk of revision after total knee arthroplasty compared to primary knee arthroplasty.

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