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KMID : 1130920140180040178
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Journal of Korean Foot and Ankle Society
2014 Volume.18 No. 4 p.178 ~ p.182
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Complications of Scarf Osteotomy for Hallux Valgus
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Nam Il-Hyun
Ahn Gil-Yeong
Moon Gi-Huk
Lee Yeong-Hyeon
Choi Seong-Pil
Lee Tae-Hun
Lee Young-Hoon
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Abstract
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Purpose: The purpose of this study was to evaluate the frequency of troughing and stress fracture, which are the major complications of scarf osteotomy, and to suggest methods to prevent these complications.
Materials and Methods: We reviewed 243 cases of 137 patients treated with the scarf osteotomy for hallux valgus from January 2005 to December 2012. The mean follow-up period was 2.8 years. During the scarf osteotomy, a long oblique longitudinal osteotomy was performed in order to decrease the possibility of troughing and stress fracture. Radiographs of lateral view of the foot were obtained and the thicknesses of the first metatarsal base at the sagittal plane were measured and compared.
Results: There was no troughing during fragment translation and screw fixation intraoperatively. Radiographs of lateral view of the foot taken preoperatively and at the last follow-up showed that the mean thickness of the first metatarsal was 22.4 mm preoperatively and 21.6 mm at the last follow-up, with a mean difference of 0.8 mm. And no stress fracture was observed.
Conclusion: To prevent troughing and stress fracture, a long oblique longitudinal cut, parallel to the first metatarsal plantar surface, was performed, making both ends of the proximal segment truncated cone-shape, and securing the strong bony strut of the proximal segment. No troughing or stress fracture was experienced with scarf osteotomy.
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KEYWORD
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Hallux valgus, Scarf osteotomy, Troughing, Stress fractures
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