Journal of Korean Foot and Ankle Society (대한족부족관절학회지)

Korean Foot & Ankle Society (대한족부족관절학회)
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Comparison of Proximal and Modified Distal Chevron Osteotomy for the Treatment of Moderate to Severe Hallux Valgus Deformity

중등도 및 중증의 무지 외반증 환자 치료에 변형된 중족골 원위부 갈매기형 절골술과 근위부 갈매기형 절골술에 대한 비교

  • Lee, Jun-Young (Department of Orthopaedic Surgery, College of Medicine, Chosun University) ;
  • Park, Sang-Soo (Department of Orthopaedic Surgery, College of Medicine, Chosun University)
  • 이준영 (조선대학교 의과대학 정형외과학교실) ;
  • 박상수 (조선대학교 의과대학 정형외과학교실)
  • Received : 2012.01.15
  • Accepted : 2012.02.14
  • Published : 2012.03.15
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Abstract

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 $19.1^{\circ}$ (Group 1) and $24.3^{\circ}$ (Group 2), the correction of the first-second intermetatarsal angle was $9.6^{\circ}$ (Group 1) and $10.3^{\circ}$ (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.

Keywords

References

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