Z-bunionectomy with internal screw fixation.

A new procedure for the correction of hallux valgus was performed on 39 patients (66 feet). The follow-up period averaged 29 months, with a range of 24 to 32 months. The new procedure is a horizontally directed displacement Z-osteotomy in the head and shaft region of the first metatarsal. Rigid internal fixation is obtained with 3.5 or 2.7-mm bone screws. The surgeons' satisfaction rate of 79% compares favorably with the patients' complete satisfaction rate of 85%.