Acta Ortopédica Mexicana

Montero-Quijano M, Mora-Ríos FG, Mejía-Rohenes C, López-Marmolejo A, Tamayo-Pacho F, Antonio-Romero CE
Comparative study of the management of congenital brachymetatarsia with elongation with callotaxis
Acta Ortop Mex 2015; 29 (2)

Language: Español
References: 9
Page: 77-81
PDF: 259.14 Kb.

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Brachymetatarsia is the › 5 mm shortening of the metatarsal parabolic arc of the foot, in one or more metatarsals. It is directly related with the early closure of the epiphyseal cartilage or with early fusion of the epiphyseal line of the distal end of the metatarsal. The fourth metatarsal is usually the most affected one. Females are more commonly affected, with a female to male ratio of 25:1; 72% of cases have bilateral involvement. The causes may be congenital, posttraumatic or result from specific conditions. A prospective, comparative study was conducted of patients with a diagnosis of congenital brachymetatarsia seen in 2007-2008 and 2008-2012. Seven patients were included in the former period: six girls and one boy. Eight patients were included in the latter period: five girls and three boys. The mean shortening achieved in the first group was 21.1 mm; in the second one, 18 mm, without regression. The daily distraction in both groups was 0.5 mm. Metatarsal elongation by means of callotaxis with external fixators is an appropriate procedure for adolescent patients about to achieve epiphyseal closure. The best results are obtained with gradual distraction at a rate of 0.5 mm per day.

Key words: comparative study, congenital brachymetatarsia, callotaxis, results.


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