Utility of tibial tubercle osteotomy in the setting of periprosthetic infection after total knee arthroplasty |
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Authors: | Ho-Rim Choi Dennis Burke Henrik Malchau Young-Min Kwon |
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Affiliation: | Department of Orthopaedic Surgery, Massachusetts General Hospital, The Harris Orthopedic Laboratory, Harvard Medical School, Boston, MA, USA. |
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Abstract: | Purpose This 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. Methods Thirty-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). Results The 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. Conclusions TTO can be a useful extensile surgical approach for treatment of infected TKA with satisfactory clinical and radiographic outcomes. |
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