Pseudarthrose congénitale de l’avant-bras. À propos de deux cas et revue de la littérature

Vascularized Growth Plate Transfer in Paediatric Ulna Non-Union: Operative Technique and Review of the Literature

Congenital pseudarthrosis of forearm fractures is rare and is strongly associated with neurofibromatosis type 1 (NF1). Our case report illustrates the progression of a non-union of the ulna after minor trauma in a twelve-year-old boy, newly diagnosed with NF1, and presents the technique of microsurgical bone reconstruction, including the growth plate. More than seven years after the first operation, follow-up presents a favorable outcome with a pain-free patient and unrestricted function of the forearm after a secondary correction of the remaining radial bowing. This treatment is discussed with a comprehensive review of the current literature on ulnar congenital pseudarthrosis in PubMed and Google Scholar and free fibular growth plate transfer in PubMed and Google Scholar. Nine publications reporting on 20 cases of congenital ulnar non-unions were identified. With this reconstructive option, favorable outcomes were achieved in all cases with the union after primary surgery and complications requiring further surgeries in nine cases. The benefit of vascularized growth plate bone transfer in congenital ulna non-union seems to be significant compared to other therapies such as open reduction internal fixation (ORIF), non-vascularized bone grafts, or one-bone-forearms and beneficial when growth reconstruction is needed. Other techniques might be necessary to improve insufficient long-term results.

Microsurgery in pediatric upper limb reconstructions: An overview

The use of microsurgery has spread during the last decades, making resolvable many complex defects considered hitherto inapproachable. Although the small vessel diameter in children was initially considered a technical limitation, the increase in microsurgical expertise over the past three decades allowed us to manage many pediatric conditions by means of free tissue transfers. Pediatric microsurgery has been shown to be feasible, gaining a prominent place in the treatment of children affected by limb malformations, tumors, nerve injuries, and post-traumatic defects. The aim of this current concepts review is to describe the more frequent pediatric upper limb conditions in which the use of microsurgical reconstructions should be considered in the range of treatment options.

Pseudoartrosis congénita de antebrazo asociada a luxación de radio proximal: Tratamiento quirúrgico mediante antebrazo de un solo hueso. [Congenital forearm pseudoarthrosis associated with proximal radius dislocation: Surgical treatment using a single bone forearm.]

<p><strong>Introducción</strong></p><p><strong></strong>La pseudoartrosis congénita de antebrazo es una entidad clínica rara que se asocia a habitualmente Neurofibromatosis tipo 1. La lesión de ambos huesos del antebrazo asociada con luxación de cabeza de radio es extremadamente inusual.</p><p><strong><em> </em>Material y métodos</strong></p><p><strong></strong>Se presenta el caso de una niña de 13 años de edad con Neurofibromatosis tipo 1 y pseudoartrosis de ambos huesos del antebrazo asociada a luxación de la cabeza de radio. Se le realizó escisión amplia de la pseudoartrosis y reconstrucción mediante antebrazo de un hueso con placa. La primer cirugía fracasó y requirió una revisión con retiro del implante, injerto óseo autólogo y fijación con enclavado endomedular. Luego de la segunda cirugía, la niña presenta un antebrazo de un hueso estable, con un acortamiento de 7cms. En el último control, 4 años después, la paciente se encuentra asintomática y utiliza el miembro superior con una mínima limitación de la flexo-extensión de muñeca.</p><p><em> </em><strong>Conclusión</strong></p><p><strong></strong>La reconstrucción mediante antebrazo de un hueso es una opción razonable para la pseudoartrosis de ambos huesos del antebrazo con luxación de cabeza radial en niños. El procedimiento de salvataje, produce un miembro superior estable, con una función satisfactoria de muñeca y codo.</p>

[Non-vascularized fibular graft as salvage technique for forearm reconstruction]

Authors report a case of a reconstruction of a large bone defect in the forearm with a free fibular graft occurring a good incorporation of the graft. Authors discuss the interest of fibula graft in reconstruction of large bone defect of the forearm.

Congenital pseudarthrosis of the radius treated with gradual distraction and free vascularized fibular graft: case report

Only 18 cases of congenital radial pseudarthrosis have been reported in the English literature; of these, 4 have been treated with free vascularized fibular graft. We present a case of a 9-year-old female patient with neurofibromatosis type 1 who underwent gradual distraction through the pseudarthrosis site and subsequent vascularized fibular grafting for isolated congenital pseudarthrosis of her left radius and concomitant longitudinal and angular deformity of the wrist joint. At the last follow-up, 10 years postoperatively, the patient has maintained bony union, with full wrist flexion-extension and forearm pronation-supination.