Outcomes of modified chevron osteotomy for hallux valgus

Purpose: This study aimed to detect the effect of a modified chevron osteotomy on hallux valgus (HV) deformity at five-year follow up. Methods: Twenty patients with symptomatic HV who underwent modified chevron osteotomy between June 2014 and January 2016 were included in the present study. The minimum follow-up duration was five years. Each patient was evaluated preoperatively, six weeks postoperatively and five years postoperatively using the visual analog scale (VAS) pain score, the American Orthopedic Foot & Ankle Society (AOFAS) score and cosmetic and radiological outcomes. Results: The AOFAS score improved from 54.40 ( +/- 4.58) preoperatively to 94.30 ( +/- 2.15) six weeks postoperatively (p < 0.001) and 96.95 ( +/- 1.54) five years postoperatively (p < 0.001). The VAS scores decreased from 6.30 ( +/- 1.17) preoperatively to 0.15 ( +/- 0.37) five years postoperatively (p < 0.001). The mean intermetatarsal angle improved from 16.00 degrees ( +/- 2.20 degrees) preoperatively to 4.15 degrees ( +/- 1.22 degrees) six weeks postoperatively (p < 0.001) and 4.40 degrees ( +/- 1.39 degrees) five years postoperatively (p < 0.001). The mean HV angle also improved, from 32.70 degrees ( +/- 5.34 degrees) preoperatively to 4.80 degrees ( +/- 1.40 degrees) six weeks postoperatively (p < 0.001) and 5.20 degrees ( +/- 1.32 degrees) five years postoperatively (p < 0.001). The cosmetic results were either excellent or good in 19 patients (95%). There was no recurrence in this study during the five postoperative years. Conclusion: A modified chevron osteotomy can achieve successful correction of moderate-to-severe HV, with excellent outcomes at five-year follow up. (c) 2022 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.