• Int Orthop · Aug 2012

    Utility of tibial tubercle osteotomy in the setting of periprosthetic infection after total knee arthroplasty.

    • Ho-Rim Choi, Dennis Burke, Henrik Malchau, and Young-Min Kwon.
    • Department of Orthopaedic Surgery, Massachusetts General Hospital, The Harris Orthopedic Laboratory, Harvard Medical School, Boston, MA, USA.
    • Int Orthop. 2012 Aug 1; 36 (8): 1609-13.

    PurposeThis study reports radiographic and clinical treatment outcomes of tibial tubercle osteotomy (TTO) used for two-stage revision total knee arthroplasty (TKA) in the setting of periprosthetic infection.MethodsThirty-six patients with 51 TTOs used for infected TKA were retrospectively analysed from 2000 to 2010. In 15 of 36 patients, TTO was used in a sequential manner during both first and second stage procedures. The mean follow-up period was 57 months (range seven-126 months).ResultsThe mean pre-operative range of knee motion was 40° (range 10-90°), and at latest follow-up it was 92° (range 50-140°). The Knee Society knee scores and function scores were 47 and 9 pre-operatively and 82 and 72 at latest follow-up, respectively. Bony union was achieved in all cases except one nonunion of an avulsion fragment of the osteotomy segment without functional deterioration.ConclusionsTTO can be a useful extensile surgical approach for treatment of infected TKA with satisfactory clinical and radiographic outcomes.

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