Abstract

Background: Flexible flatfoot is a normal finding in infants and the arch is shaped spontaneously in most children before the age of 10 years. Flexible flatfoot is a common deformity in both adolescent and adult populations. Objective: This prospective study aims to assess the functional and radiological outcomes of subtalar arthroereisis in adolescent patients with symptomatic flexible flatfoot. Methods: This is a prospective study and included 26 feet in 19 patients who underwent subtalar arthroereisis for symptomatic flexible flatfeet deformity. Preoperative and postoperative functional assessment based on the American Orthopedic Foot and Ankle Society (AOFAS) hindfoot scale. Radiographic parameters included preoperative and postoperative Kite`s angle, talonavicular coverage angle, Anterior-Posterior talo-1st metatarsal angle, Meary`s angle, talar declination angle, calcaneal inclination angle and lateral talocalcaneal angle. Results: The mean follow-up period was 22.5±9.4 months and the mean preoperative AOFAS score was 54.6±6.0, while the mean AOFAS score at the last follow-up visit was 86.3±3.9 (P

Key words: Arthroereisis; flexible Flatfoot; pesplanovalgus; sinus tarsi implant