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KMID : 1207720180100040479
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Clinics in Orthopedic Surgery
2018 Volume.10 No. 4 p.479 ~ p.483
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Modified Proximal Scarf Osteotomy for Hallux Valgus
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Young Ki-Won
Lee Hong-Seop
Park Seong-Cheol
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Abstract
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Background: We developed a modified proximal scarf osteotomy technique for moderate to severe hallux valgus in an attempt to obtain better correction of the deformity. In addition, we compared the clinical and radiographic results of this modified technique with those of the classic scarf osteotomy reported in other studies.
Methods: Between December 2004 and July 2009, 44 cases of modified proximal scarf osteotomy was performed in 35 patients with moderate hallux valgus. The American Orthopedic Foot and Ankle Society (AOFAS) score, visual analogue scale (VAS) score, range of motion of the first metatarsophalangeal joint, and radiographic results were evaluated.
Results: The mean hallux valgus angle and the mean first intermetatarsal angle improved from an average of 32.2° and 14.3°, respectively, to an average of 12.5° and 8.6°, respectively. The distal metatarsal articular angle improved from an average of 18.7° to 12.4°. The preoperative mean AOFAS and VAS scores were 47 points and 7 points, respectively, which improved to 86 points and 1 point, respectively, at the final follow-up. Limited range of motion occurred in two cases postoperatively. The height of the first metatarsal-cuneiform joint, which was an average of 15.9 mm preoperatively, did not change. The first metatarsal-talus angle increased from an average of 4.1° to 7.1°.
Conclusions: The modified proximal scarf osteotomy for the treatment of moderate hallux valgus showed similar results with the classic scarf osteotomy with regard to changes in the first intermetatarsal angle and postoperative satisfaction. Therefore, we suggest the modified proximal scarf osteotomy be considered as well as other proximal osteotomy in the treatment of moderate to severe hallux valgus.
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KEYWORD
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Metatarsal bones, Hallux valgus, Osteotomy
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