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KMID : 1130920120160010031
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Journal of Korean Foot and Ankle Society
2012 Volume.16 No. 1 p.31 ~ p.37
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Comparison of Proximal and Modified Distal Chevron Osteotomy for the Treatment of Moderate to Severe Hallux Valgus Deformity
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Lee Jun-Young
Park Sang-Soo
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Abstract
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Purpose: The purpose of our study is the comparison of radiological and clinical outcomes between modified distal chevron osteotomy and proximal metatarsal osteotomy for the patients who had moderate to severe hallux valgus deformity.
Materials and Methods: In this retrospective study, we included 54 patients (65 feets) who underwent the operation of moderate to severe hallux valgus in our hospital from May 2007 to August 2010. Our study compares two groups. For Group 1, a modified distal chevron osteotmy and a distal soft tissue procedure were done and for Group 2, a proximal metatarsal osteotmy and a distal soft tissue procedure were done. The group 1 were 29 feets; the group 2 were 36 feets, and the average follow up was 9 months.
Results: The radiological results show that the hallux valgus angle and the first-second intermetatarsal angle were significantly decreased in two groups. In each parameter, the correction of the hallux valgus angle was 19.1° (Group 1) and 24.3° (Group 2), the correction of the first-second intermetatarsal angle was 9.6° (Group 1) and 10.3° (Group 2). Shortening of the first metatarsal length was 0.87 mm (Group 1) and 0.77 mm (Group 2). There are no significant clinical results (American Orthopaedic Foot and Ankle Society score, AOFAS score) in two groups.
Conclusion: It is thought that a modified distal chevron osteotomy and a distal soft tissue procedure are a considerable operative treatment of moderate to severe hallux valgus deformity because of the similar cilinical results, more simple operative techniques, and less complications than a proximal metatarsal osteotomy.
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KEYWORD
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Hallux valgus, Modified distal chevron osteotomy, Proximal metatarsal osteotomy
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