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KMID : 0311120080490010079
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Yonsei Medical Journal
2008 Volume.49 No. 1 p.79 ~ p.83
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Use of Allograft in Skeletally Immature Patients for Calcaneal Neck Lengthening Osteotomy
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Kwak Yoon-Hae
Park Hui-Wan
Park Kun-Bo
Kim Hyun-Woo
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Abstract
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Purpose: To date, there have been no studies evaluating the usefulness of allograft as a substitute for autograft in
calcaneal neck lengthening osteotomy. This retrospective study examined the results of calcaneal neck lengthening
osteotomy using allograft for pathologic flatfoot deformity in children and adolescents with various neuromuscular
diseases.
Materials and Methods: 118 feet in 79 children treated surgically between Mar 2000 and July 2005 were
reviewed. The mean age at the time of the operation was 9 + 3 years (range, 3 - 17 years) and follow-up averaged 15.4
months (range, 13 - 21 months) postoperatively. Talo-1st metatarsal angle, talo-calcaneal angle, calcaneal pitch were
measured before and after operation and bony union was estimated.
Results: Bony union was noted at the latest
follow-up and there were no postoperative complications such as reduction loss, infection, nonunion, delayed union or
graft loss during the follow-up period in all but one foot. All radiographic indices were improved postoperatively in all
cases.
Conclusion: Our results indicate that use of allograft in calcaneal neck lengthening osteotomy is a useful option
for correction of the planovalgus deformity in skeletally immature patients whose enough autobone can not be obtained.
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KEYWORD
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Calcaneal neck lengthening osteotomy, pathologic flatfoot, allograft
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