Efficacy of Intramedullar Locking Plate in Mild to Moderate Hallux Valgus Deformity: Early Outcomes

Abstract

Aim: Hallux valgus is a complex deformity of the first metatarsophalangeal joint characterized by varus deformity of the first metatarsal bone, valgus deformity of the big toe, and lateral deviation of the extensor tendons and sesamoid bones. Several surgical methods have been described for correction of the deformity. Distal metatarsal osteotomy is a commonly used procedure in mild-to moderate hallux valgus. Different materials have been used for the fixation of osteotomy. The aim of this study was to evaluate radiological and clinical efficacy of intramedullar locking plate in hallux valgus surgery.Material and Methods: Postoperative 6th month data of patients with mild-to moderate hallux valgus deformity who underwent distal metatarsal osteotomy using an intramedullary locking plate between 2012 and 2014 were evaluated retrospectively. The surgical procedure was applied by Mitchell technique. Clinical and radiological features of the patients were analyzed.Results: Thirty-six (29 female, 7 male) patients whit a mean age of 51.00±12.96 years were enrolled the study. Eight patients underwent bilateral surgery. There were statistically significant improvement in hallux valgus angle, distal metatarsal articular angles, and American Orthopaedic Foot and Ankle Society hallux valgus scores in the postoperative 6th month (all p values <0.001). No statistically significant difference were found between the preoperative and postoperative 6th month inter-metatarsal angle values (p=0.058).Conclusion: The intramedullar locking plate usage in surgery of mild-to moderate hallux valgus deformity is an effective method providing strong fixation and quick recovery that led patients to gain an early improvement in the daily life activities.