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  • Title: Shortening Proximal Chevron Metatarsal Osteotomy for Patients With a Hallux Valgus Deformity With Advanced Arthritis.
    Author: Choi JY, Lee JM, Suh JS.
    Journal: J Foot Ankle Surg; 2019 Mar; 58(2):368-373. PubMed ID: 30612867.
    Abstract:
    To correct hallux valgus deformities in patients with advanced arthritis of the first metatarsophalangeal joint, we designed a new reverse chevron-type shortening osteotomy technique that could be used to correct valgus deformities at the proximal metatarsal level, as well as shorten and lower the metatarsal, in a 1-time procedure. Sixteen feet in 16 patients with a minimum of 18 months follow-up who underwent a shortening proximal chevron metatarsal osteotomy for a hallux valgus deformity with advanced arthritic change between January 2014 and March 2016 were reviewed in this study. Double chevron osteotomies with 20° of plantar-ward obliquity at the proximal metatarsal level were made at 5-mm intervals for simultaneous valgus correction and metatarsal shortening. An additional Weil osteotomy of the second metatarsal was performed in all feet. Patients' mean age was 57.88 ± 6.55 years. The deformity was satisfactorily corrected by the operation. The first metatarsal was shortened by approximately 8.75 mm, and the relative length of the second metatarsal did not differ significantly postoperatively (p = .179). The relative second metatarsal height, as seen on forefoot axial radiographs, was maintained constantly, with no significant difference (p = .215). No painful plantar callosity or transfer metatarsalgia under the second metatarsal head was observed postoperatively. A shortening proximal chevron metatarsal osteotomy for hallux valgus deformities with advanced arthritic change showed a good result with respect to deformity correction and pain relief. Appropriate lowering and an additional Weil osteotomy effectively prevented postoperative pain and painful callosity under the second metatarsal head.
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