Outcomes of oblique supramalleolar osteotomy without fibular osteotomy for congruent- and incongruent-type medial ankle arthritis

Jae Wan Suh, Kwang Hwan Park, Jin Woo Lee, Seung Hwan Han

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Background: Although high talar tilt and ankle mortise incongruence are risk factors for supramalleolar osteotomy (SMO), no study on lateral talofibular joint congruence exists. We aimed to evaluate the outcomes of oblique SMO without fibular osteotomy for medial ankle arthritis and compare them according to the lateral talofibular joint congruity. Methods: Forty-eight ankles were retrospectively reviewed and divided according to preoperative talofibular joint congruity (congruent, 22 [45.8%] vs. incongruent, 26 [54.2%]). Results: The mean VAS score, AOFAS score, and modified Takakura stage were significantly improved. No significant differences were noted in clinical outcomes, but the mean postoperative tibiotalar angle and difference between the upper and lower talofibular gaps were significantly different in both groups (p = 0.004 and p = 0.009, respectively). The mean Takakura stage at 1 and 2 years after surgery was higher in the incongruent group (p = 0.013, p = 0.012). Conclusion: This procedure was effective against early- to mid-stage medial ankle arthritis. Radiographic arthritic grade changed according to the talofibular joint congruity.

Original languageEnglish
Pages (from-to)603-609
Number of pages7
JournalFoot and Ankle Surgery
Volume28
Issue number5
DOIs
Publication statusPublished - 2022 Jul

Bibliographical note

Publisher Copyright:
© 2021 European Foot and Ankle Society

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine

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