Background: The main indication for the supramalleolar osteotomy is asymmetric ankle osteoarthritis with concomitant supramalleolar valgus or varus deformity. The aim of this prospective study was to analyze short-term clinical and radiographic outcomes in patients with asymmetric ankle osteoarthritis. Methods: A total of 16 patients with asymmetric ankle osteoarthritis and concomitant supramalleolar deformity – 7 patients with valgus deformity, 9 patients with varus deformity – were treated. Intraoperative and postoperative complications were recorded and analyzed. The clinical and radiographic outcomes were assessed after a mean follow-up of 3.6 ± 1.1 years. Results: In 10 of 16 patients, removal of hardware was performed. The AOFAS hindfoot score increased significantly after surgery. All categories of the SF-36 score showed significant improvement. The average range of motion also increased significantly. Radiographic assessment showed neutral hindfoot alignment at the latest follow-up. The postoperative clinical outcomes were comparable in both patient groups. The time until complete osseous union was significantly longer in patients with opening wedge osteotomy. Conclusion: This prospective study demonstrated encouraging short-term results in patients with asymmetric ankle osteoarthritis who underwent supramalleolar osteotomy. In progressive ankle osteoarthritis, joint-nonpreserving treatment options including total ankle replacement or ankle arthrodesis should be discussed.
CITATION STYLE
Barg, A., Wiewiorski, M., Paul, J., Wurm, M., Jacxsens, M., Nykytina, K., & Valderrabano, V. (2017). Supramalleolare Osteotomie bei asymmetrischer Arthrose des oberen Sprunggelenks: Kurzfristige klinische und radiologische Ergebnisse. Orthopade, 46(9), 761–775. https://doi.org/10.1007/s00132-017-3416-4
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