ArticleJournal of orthopaedic case reports2024
A Rare Complication: Severe Valgus Deformity After Open-Wedge High Tibial Osteotomy.
Article in Journal of orthopaedic case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: In the treatment of medial gonarthrosis, the high tibial osteotomy (HTO) is recognized as an effective joint-sparing surgical procedure. Severe valgus deformity is not a common complication after HTO. There are no cases in the literature reporting valgus deformity of 10° or more after HTO. Case Report: An open-wedge HTO was performed on a 57-year-old female patient due to left knee pain and varus deformity. In this case, a progressive and severe valgus deformity occurred during follow-up. The severe valgus deformity was then corrected using an inverted V-shaped (hemi-closing, hemi-opening) HTO. Conclusion: Valgus deformity after HTO is not common. There are various factors that can lead to post-HTO valgus deformity; although no cases of valgus deformity exceeding 10° have been described. Intra-operative releasing of the superficial medial collateral ligament and associated lateral hinge fracture was a risk factor for overcorrection. This case aims to uncover the factors contributing to the development of severe valgus deformity subsequent to HTO and to present solutions for its management.
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