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Gradual Metatarsal Lengthening by External Fixation

Abstract : Background: The surgical management of brachymetatarsia remains controversial, and choice is based on potential complications. We report a classification of complications based on severity, and we hypothesized that use of a semicircular external fixator would minimize severe complications in lateral metatarsal lengthening. Methods: We retrospectively reviewed 30 patients (10 to 46 years old) with single or multiple brachymetatarsia and performed 54 metatarsal lengthenings with a mean follow-up of 7 months. Results: The mean gain in length was 15 mm (33.7%), and the mean healing index was 67 d/cm. No further procedure was performed. No dislocations or subluxations were reported, but 26 complications (48.1%) occurred, classified as 1 severe (1.8% of the metatarsals), 5 intermediate (9.3%), and 20 benign (37%): 4 incomplete osteotomies, 8 adjacent metatarsal osteotomies, 2 involuntary adjacent metatarsal fixations due to the lack of fluoroscopy use, 6 early consolidations, 2 metatarsal fractures, 2 skin complications, 1 superficial infection, and 1 metatarsophalangeal clinodactyly. Conclusion: A classification of complications based on severity was developed. Gradual lengthening of the lateral metatarsals by semicircular external fixation reduced the risk of severe complications because of stability without donor site morbidity. Thin wires were an advantage in the pediatric population.
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Submitted on : Tuesday, February 20, 2018 - 10:14:46 AM
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Dominique Barbier, Andrei Neretin, Pierre Journeau, Dimitry Popkov. Gradual Metatarsal Lengthening by External Fixation. Foot and Ankle International, SAGE Publications (UK and US), 2015, 36 (11), pp.1369 - 1377. ⟨10.1177/1071100715593373⟩. ⟨hal-01713042⟩



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