Avascular necrosis following distal Chevron osteotomy of the first metatarsal.

The authors present a retrospective study analyzing the radiographic frequency of avascular necrosis following distal Chevron osteotomy of the first metatarsal. A total of 164 procedures performed on 104 patients were evaluated radiographically at a follow-up period of 12 to 91 months, with a mean followup of 30.4 months.