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KMID : 0896719970010020095
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Journal of the Korean Society of Foot Surgery
1997 Volume.1 No. 2 p.95 ~ p.101
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Modified Chevron Osteotomy for the Treatment of Hallux Valgus
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Lee Beom-Koo
Park Hong-Gi
We Sung
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Abstract
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Hallux valgus has been characterized by a valgus deformity of the great toe at the metatarsophalangeal joint, along wit.h medial deuiation of the first metatarsal, and by three components. First, there is a valgus angle more than 20at the first, metatarsophalangeal joint. Second, there is a greater angle than 9’between the first. and seeond metatarsals. Third, there is bursal hypert.rophy at the medial eminence of the first. metatarsals head. The etiology is multifactorial and many procedures have heen reported in the treatment of hallux valgus. Most of the procedures are direeted tawards pain relief, correction of deformity, and preservation of dorsiflevion in the first metatarsophalangeal joint. One such treatment is the Modified chevran osteotomy. It is technically simpie, and provides greater stability than a standard osteotomy, and allows early ambulation after surgery. We a reviewed 19 cases with 13 patient.s of hallux valgus deformity. They were all treated with the Modified chevron asteotomy at the Department of Orthopedic Surgery, Choong ang Gil Hospital, between June 1988 and May 1994. The results of the study were as follows; 1. The mean age was 36 years. Three patients(5 case) were male and ten patients(14 cases) were fennale. 2. The mean value of the hallux valgus angle was 34.1’, and the first to second intermetatarsal angle ivas 12.1, preoperatively. These angles were corrected t.o 15.8and 8. 5, respect,ively. 3. The met.atarsalgia subsidccl in 17 cases (89.5%). avascular necrosis, non union, and dorsal angulation complicatious were nonexistant. Early bone healing occurred in all cases. 4. The Modified chevron osteotomy is technically simple. It provides exeellent pain relief, early ambulation, increased mechanical stability, and many avoids many complications such as AVN , non-union, and dorsal angulation.
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KEYWORD
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Hallux valgus, modified chevron osteotomy
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