Radiographic and Clinical Results of Minimally Invasive Chevron Akin Osteotomy for Moderate to Severe Hallux Valgus Deformities.

Foot & ankle specialist Pub Date : 2024-08-01 Epub Date: 2021-10-06 DOI:10.1177/19386400211045911

Toshinori Kurashige

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Abstract

Background: Few studies have reported results of minimally invasive chevron Akin osteotomy (MICA) for moderate to severe hallux valgus correction. This study aims to evaluate MICA for moderate to severe hallux valgus radiographically and clinically.

Methods: Forty feet were prospectively reviewed. Twenty-eight feet (70%) had a severe deformity (hallux valgus angle (HVA) ≥40° and/or first intermetatarsal angle (IMA) ≥18°). We measured HVA, IMA, lateral shape of the metatarsal head (round sign), tibial sesamoid position, first metatarsal shortening on anteroposterior weightbearing radiographs, and inclination angle of first metatarsal on lateral weightbearing radiographs. We evaluated the Japanese Society for Surgery of the Foot hallux scale and Self-Administered Foot Evaluation Questionnaire responses preoperatively and at the most recent follow-up.

Results: All measurements except shortening and inclination angle improved significantly. Both clinical scale and all subscores significantly improved.

Conclusions: MICA improved moderate to severe hallux valgus both radiographically and clinically.Level of Evidence: Level IV: case series.

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针对中度至重度拇指外翻畸形的微创Chevron Akin截骨术的影像学和临床效果。

背景：很少有研究报道微创Chevron Akin截骨术（MICA）用于中重度足外翻矫正的结果。本研究旨在从影像学和临床两方面评估MICA治疗中重度拇指外翻的效果：方法：对 40 只脚进行了前瞻性审查。28只脚（70%）有严重畸形（拇指外翻角度（HVA）≥40°和/或第一跖骨间角度（IMA）≥18°）。我们测量了HVA、IMA、跖骨头的外侧形状（圆形征）、胫骨剑突位置、前胸负重X光片上的第一跖骨短缩以及侧向负重X光片上的第一跖骨倾斜角。我们评估了日本足外科学会的拇指外翻量表和自制足部评估问卷在术前和最近一次随访中的反应：结果：除缩短度和倾斜角外，所有测量指标均有明显改善。结果：除缩短度和倾斜角外，所有测量结果均有明显改善，临床量表和所有子量表均有明显改善：结论：MICA可改善中重度拇指外翻的影像学和临床症状：证据等级：IV级：病例系列

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Foot & ankle specialist

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