Foot Width Changes Following Hallux Valgus Surgery.

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Abstract

[Indexed for MEDLINE] 14. Clin Orthop Surg. 2024 Jun;16(3):461-469. doi: 10.4055/cios23184. Epub 2024 Apr 25. Joint-Preserving Surgery for Hallux Valgus Deformity in Rheumatoid Arthritis. Park SH(1), Choi YR(2), Lee J(3), Doh CH(2), Lee HS(2). Author information: (1)Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea. (2)Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. (3)Department of Orthopedic Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea. BACKGROUND: Rheumatoid arthritis (RA) is a chronic autoimmune disorder that frequently causes forefoot deformities. Arthrodesis of the first metatarsophalangeal joint is a common surgery for severe hallux valgus. However, joint-preserving surgery can maintain the mobility of the joint. This study aimed to investigate the clinical and radiographic outcomes of distal chevron metatarsal osteotomy (DCMO) for correcting hallux valgus deformity associated with RA. METHODS: Between August 2000 and December 2018, 18 consecutive patients with rheumatoid forefoot deformities (24 feet) underwent DCMO for hallux valgus with/without lesser toe surgery. Radiological evaluations were conducted, assessing the hallux valgus angle, the intermetatarsal angle between the first and second metatarsals, and the Sharp/van der Heijde score for erosion and joint space narrowing. Clinical outcomes were quantified using a visual analog scale for pain and the American Orthopaedic Foot and Ankle Society forefoot scores to measure function and alignment. RESULTS: The mean hallux valgus angle decreased from 38.0° (range, 25°-65°) preoperatively to 3.5° (range, 0°-17°) at the final follow-up (p < 0.05). The mean intermetatarsal angle decreased from 14.9° (range, 5°-22°) preoperatively to 4.3° (range, 2°-11°) at the final follow-up. (p < 0.05). Regarding the Sharp/van der Heijde score, the mean erosion score (0-10) showed no significant change, decreasing from 3.83 (range, 0-6) preoperatively to 3.54 (range, 0-4) at the final follow-up (p = 0.12). Recurrent hallux valgus was observed in 1 patient and postoperative hallux varus deformity was observed in 2 feet. Spontaneous fusion of the metatarsophalangeal joint developed in 1 case. CONCLUSIONS: DCMO resulted in satisfactory clinical and radiographic outcomes for correcting RA-associated hallux valgus deformity. Copyright © 2024 by The Korean Orthopaedic Association. DOI: 10.4055/cios23184 PMCID: PMC11130625