Clinical effect of supramalleolar osteotomy in the treatment of varus ankle osteoarthritis and postoperative changes of the knee&nbsp;

doi:10.13418/j.issn.1001-165x.2024.6.15

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Chinese Journal of Clinical Anatomy ›› 2024, Vol. 42 ›› Issue (6) : 695-699. DOI: 10.13418/j.issn.1001-165x.2024.6.15

Clinical effect of supramalleolar osteotomy in the treatment of varus ankle osteoarthritis and postoperative changes of the knee

Zhang Kaiting¹, Mo Fangdong ¹, Jie Ke², Xu Jingcheng¹, Zou Baoli¹, Li Zhuo¹, Zou Yunxuan², Zhu Yongzhan²*

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Abstract

Objective To evaluate the clinical outcome of supramalleolar osteotomy (SMO) in the treatment of varus ankle osteoarthritis and the changes of ipsilateral knee joint after operation. Methods The clinical data of 36 patients (37 feet) treated with SMO in our hospital from January 2016 to December 2022 were analyzed retrospectively. The clinical efficacy of ankle joint was evaluated by pain visual analogue scale (VAS) and American Association of foot and ankle surgery score (AOFAS), and the clinical changes of knee joint were evaluated by VAS and Hospital for Special Sugery (HSS), ankle and knee joint changes were evaluated by relevant grading system and imaging indexes, and postoperative complications and operation failure were calculated. Results All patients were followed up for an average of 30.05 months. At the last follow-up, the clinical and imaging indexes of ankle were significantly improved compared with those before operation, but there was no significant difference between knee clinical and imaging indexes (P>0.05), and there was no significant correlation between correction angle and other knee clinical and imaging changes except with the changes of HKA. Conclusions SMO is effective in the treatment of varus ankle arthritis and will not cause changes in the ipsilateral knee joint in the short term after operation.

Key words

Ankle osteoarthritis; / Supramalleolar osteotomy; / Postoperative changes of knee joint / Lower limb alignment

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Zhang Kaiting, Mo Fangdong, Jie Ke, Xu Jingcheng, Zou Baoli, Li Zhuo, Zou Yunxuan, Zhu Yongzhan. Clinical effect of supramalleolar osteotomy in the treatment of varus ankle osteoarthritis and postoperative changes of the knee [J]. Chinese Journal of Clinical Anatomy. 2024, 42(6): 695-699 https://doi.org/10.13418/j.issn.1001-165x.2024.6.15

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