Outcomes of Simultaneous Correction of Adult Hallux Valgus and Flexible Pes Planus Deformities

Abstract

Background: There is a high correlation between hallux valgus and pes planus deformity. We sought to evaluate the outcomes of simultaneous Scarf osteotomy and extraosseous talotarsal stabilization (EOTTS) for correcting adult hallux valgus with flexible pes planus deformity. Materials and Methods: This retrospective study enrolled patients who had hallux valgus deformity with flexible pes planus and underwent combined Scarf osteotomy and EOTTS from January 2018 to October 2021. The hallux valgus angle (HVA), intermetatarsal angle (IMA), Meary’s angle, calcaneal pitch, and lateral talocalcaneal angles were assessed preoperatively and at 1-year follow-up. Clinical outcomes were evaluated using the visual analog scale (VAS) score for pain, the American Orthopaedic Foot and Ankle Society (AOFAS) forefoot score, and the Maryland foot score (MFS). Complications were recorded. Results: This study included 25 patients, 19 women and 6 men, with a mean age of 44.3 years. The mean follow-up period was 14.6 months. The mean HVA, IMA, Meary’s angle, calcaneal pitch, and lateral talocalcaneal angles improved significantly at 1-year follow-up (P