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Modified Sofield-Millar operation: less invasive surgery of lower limbs in osteogenesis imperfecta

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Abstract

We present the results of intramedullary rodding of long bones of the lower limbs in children with osteogenesis imperfecta using a modified Sofield-Millar operation. Fourteen patients (mean age at primary operation was 5 years 11 months) were treated with a modified Sofield-Millar operation which allows minimal bone exposure, preservation of the periosteum and keeping the number of osteotomies to the minimum. Union was achieved in all cases within 7 weeks. Of the 14 patients (29 bones) treated with nonelongating rods, rod revisions were needed in 13 patients (26 bones). We found no statistically significant difference between the width of the bone immediately postoperatively and at the final follow-up. The walking ability was improved in four patients. Advantages of less invasive surgery in osteogenesis imperfecta are rapid bone union, no bone atrophy or nonunion, better postoperative mobility and small scars.

Résumé

L’objectif de cette étude est d’évaluer les résultats du brochage intra médullaire des os longs des membres inférieurs chez les enfants présentant une ostéogénèse imparfaite en utilisant la technique modifiée de Sofield-Millar. Matériel et méthode : 14 patients (âge moyen à la première intervention 5 ans) ont été traités avec cette méthode de Sofield-Millar modifiée qui permet, à partir d’un abord minimal de préserver le périoste; de réduire au minimum le nombre d’ostéotomies. Résultats, une consolidation a été obtenue dans tous les cas au bout de sept semaines. 14 patients (29 segments osseux) ont été traités avec un clou ne permettant pas la croissance, la révision du clou a été nécessaire chez 13 patients (26 segments osseux). Nous n’avons pas trouvé de différences significatives sur la qualité osseuse en post-op immédiat et au suivi final. La marche a été améliorée chez 4 patients. En conclusion : cette technique moins invasive est avantageuse dans le traitement de l’ostéogénèse imparfaite et permet une consolidation rapide sans atrophie osseuse et sans pseudarthrose avec une bonne mobilité post-opératoire et des cicatrices minimes.

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Correspondence to Mazen Abulsaad.

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Abulsaad, M., Abdelrahman, A. Modified Sofield-Millar operation: less invasive surgery of lower limbs in osteogenesis imperfecta. International Orthopaedics (SICOT) 33, 527–532 (2009). https://doi.org/10.1007/s00264-008-0515-1

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  • DOI: https://doi.org/10.1007/s00264-008-0515-1

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