RANDOMIZED CONTROLLED TRIAL
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Prospective, randomized comparison of proximal crescentic and proximal chevron osteotomies for correction of hallux valgus deformity.

In this study, intermetatarsal angle (IMA) correction, functional outcome, and healing time for the proximal crescentic and proximal chevron osteotomies in moderate to severe hallux valgus deformity were prospectively compared. Seventy-five patients (97 feet) were prospectively randomized to either a proximal crescentic or proximal chevron osteotomy for the correction of moderate to severe hallux valgus deformity with associated metatarsus primus varus. Criteria for study entry included age (adult patients), IMA greater than or equal to 13 degrees, persistent symptoms despite nonoperative treatment, and minimum follow-up of 12 months. Twenty-nine patients (41 feet) in the crescentic group and 37 patients (43 feet) in the chevron group returned for follow-up at an average of 24 and 20 months, respectively. Good results were achieved with both procedures. No statistically significant differences were found with respect to correction of the IMA or to functional outcome between the two groups. Results held true irrespective of patient age, severity of disease, or bilateral involvement. A statistically significant shorter healing time of the first metatarsal was found after proximal chevron osteotomy. Other potential benefits of the chevron procedure included avoidance of dorsiflexion of the first metatarsal, tendency toward less shortening of the first metatarsal, and more medial distribution of tibial sesamoids following surgery, all of which may reduce the potential for development or persistence of transfer lesions.

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