Arash Aminian1, Armem Kelikian, Todd Moen. 1. Northwestern University, Orthopaedics, 645 N. Michigan Avenue, Suite 910, Chicago, IL 60611, USA. aminian75@hotmail.com
Abstract
BACKGROUND: The scarf osteotomy is a versatile and reproducible procedure for the correction of moderate to severe hallux valgus deformity (intermetatarsal angle 12 to 20 degrees hallux valgus angle 20 to 46 degrees). METHODS: We evaluated the results of 27 consecutive scarf osteotomies at an average followup of 16.1 months. Radiographic parameters, foot pressure analysis, and AOFAS scores were analyzed before and after surgery. RESULTS: Hallux valgus angles improved from 34.5 to 16.9 degrees, intermetatarsal angles improved from 15.4 to 10.1 degrees, AOFAS scores improved from 54.5 to 86.5. There was no change between the preoperative and postoperative relative lengths of the first and second metatarsals, defined as the difference between the first and second metatarsal lengths. The measurement was based on the anteroposterior standing radiographs and measured by a line intersecting the midway point at the diaphyseal-metaphyseal junction of the metatarsal and extending from the most proximal to distal aspects of the bone. The angle of Meary (talo-first metatarsal angle) did not change, except in one patient. Foot pressure analysis showed no evidence of transfer metatarsal lesions. The complication rate was 1.1% including superficial infection and recurrence. CONCLUSIONS: The scarf osteotomy provides a predictable and effective correction of moderate to severe hallux valgus deformities.
BACKGROUND: The scarf osteotomy is a versatile and reproducible procedure for the correction of moderate to severe hallux valgus deformity (intermetatarsal angle 12 to 20 degrees hallux valgus angle 20 to 46 degrees). METHODS: We evaluated the results of 27 consecutive scarf osteotomies at an average followup of 16.1 months. Radiographic parameters, foot pressure analysis, and AOFAS scores were analyzed before and after surgery. RESULTS:Hallux valgus angles improved from 34.5 to 16.9 degrees, intermetatarsal angles improved from 15.4 to 10.1 degrees, AOFAS scores improved from 54.5 to 86.5. There was no change between the preoperative and postoperative relative lengths of the first and second metatarsals, defined as the difference between the first and second metatarsal lengths. The measurement was based on the anteroposterior standing radiographs and measured by a line intersecting the midway point at the diaphyseal-metaphyseal junction of the metatarsal and extending from the most proximal to distal aspects of the bone. The angle of Meary (talo-first metatarsal angle) did not change, except in one patient. Foot pressure analysis showed no evidence of transfer metatarsal lesions. The complication rate was 1.1% including superficial infection and recurrence. CONCLUSIONS: The scarf osteotomy provides a predictable and effective correction of moderate to severe hallux valgus deformities.
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