High tibial osteotomy (HTO) is used as an alternative to total knee arthroplasty in young patients with knee osteoarthritis. In the conventional HTO, if the distraction distance is large, the osteotomy section will be significantly separated, forming a large bone defect gap, which may lead to delayed healing or even nonunion. We treated a series of 10 patients with medial knee osteoarthritis by a novel M-shaped high tibial osteotomy. This helped to improve greater contact of cortical sections and rapid healing of the osteotomy break. Over a mean follow-up period of 8.5 months (range, 6.0-12.0 months), all patients achieved bone union. None of the patients showed complications such as nonunion or infection. The novel M-shaped HTO procedure can reduce the probability of delayed union/nonunion and avoid the complications associated with bone grafting. Hence, this technique may be an effective alternative for the HTO.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10293495PMC
http://dx.doi.org/10.1007/s43465-023-00904-8DOI Listing

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