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High long-term survivorship seen with high tibial osteotomy

Efe T. BMC Musculoskelet Disord. 2011;Feb 14;12(1):46. [Epub ahead of print]. doi:10.1186/1471-2474-12-46.

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Closing-wedge high tibial osteotomy shows an 84% Kaplan-Meier survivorship at 9.6 years, according to the results of this retrospective study.

Researchers studied 199 patients who underwent closing-wedge high tibial osteotomy (HTO) and had a mean follow-up of 9.6 years. The study revealed 39 complications in the group, and 36 procedures were later converted to a total knee arthroplasty, according to the study abstract. Using the Hospital for Special Surgery score to evaluate knee function, the researchers found that nearly 65% of HTO patients had good or excellent results.

“HTO provides good clinical results in long-term follow-up,” the authors wrote in their abstract. “Preoperative osteoarthritis Kellgren-Lawrence grade greater than 2 is a significant predictive risk factor for HTO failure. Results of HTO may be improved by careful patient selection. Complications associated with HTO should not be underestimated.”