One-stage metatarsal lengthening by allograft interposition a novel approach for congenital brachymetatarsia

Sandro Giannini, Cesare Faldini, Stavroula Pagkrati, Maria Teresa Miscione, Deianira Luciani

Research output: Contribution to journalArticle

Abstract

Background Congenital brachymetatarsia, a shortened metatarsal bone, can be corrected surgically by callus distraction or one-stage lengthening using bone graft. Questions/purposes We asked whether one-stage meta- tarsal lengthening using metatarsal homologous bone graft could improve forefoot function, lead to metatarsal healing, restore metatarsal parabola, and improve cosmetic appearance. Patients and Methods We retrospectively reviewed 29 patients (41 feet) in whom we lengthened 50 metatarsals. Surgery consisted of a transverse proximal osteotomy of the metatarsal shaft and interposition of a metatarsal homologous bone graft (average, 13 mm long) fixed with an intramedullary Kirschner wire. Minimum followup was 3 years (mean, 5 years; range, 3-11 years). Results Bone union was achieved in all cases. The mean preoperative American Orthopaedic Foot and Ankle Society score was 37 points (range, 28-53 points) and the mean postoperative score was 88 points (range, 74-96 points), with an average improvement of 51 points. Radiographically, the mean gain in length was 13 mm (range, 10-15 mm), and the mean percentage increase was 23%. Conclusions One-stage metatarsal lengthening using interposition of metatarsal homologous bone graft to correct congenital brachymetatarsia has low morbidity for the patient, limited complications, short recovery times, and restores forefoot anatomy. Level of Evidence Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.

Original languageEnglish
Pages (from-to)1933-1942
Number of pages10
JournalClinical Orthopaedics and Related Research
Volume468
Issue number7
DOIs
Publication statusPublished - Jul 2010

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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