Resumen
Objetivo Evaluar el resultado quirúrgico de fracturas de las zonas 2 y 3 de la base del quinto metatarsiano usando tornillos de esponjosa de diámetro de 4,0 mm con rosca parcial.
Materiales y métodos Evaluación retrospectiva de pacientes operados entre 2010 a 2019. Incluimos todos los casos sintetizados con este dispositivo con seguimiento mínimo de tres meses, y excluimos casos operados con otros dispositivos y seguimiento menor a tres meses. Evaluamos la consolidación y la presencia de complicaciones. Determinamos el largo del tornillo, el diámetro del canal endomedular, la distancia entre el borde proximal de la tuberosidad y la fractura, y la distancia de paso de la rosca sobre el rasgo de la fractura en radiografías anteroposterior (AP) y oblicua del pie.
Resultados Evaluamos 39 casos, y la muestra tenía una edad promedio de 27 años, y predominio del sexo masculino. El largo de tornillo más usado fue el de 45 mm, y los diámetros promedios del canal endomedular medidos en las radiografías AP y oblicua fueron de 4,6 mm y 3,96 mm, respectivamente. La distancia del borde de la tuberosidad hasta la fractura fue de 25,8 mm, y la distancia de paso de la rosca sobre el rasgo de la fractura fue en promedio de 24 mm. Hubo 100% de consolidación, en un promedio de 9,4 semanas, y 3 casos de retardo de consolidación, 2 de retroceso de tornillo, 1 de rosca intrafoco, y 1 de fractura cortical superior. No hubo retiros de tornillos a la fecha.
Discusión No existe consenso respecto al tornillo ideal. La literatura internacional recomienda dispositivos intramedulares de diámetro de al menos 4,5 mm. Existen pocos reportes del uso de tornillos de diámetro de 4,0 mm.
Conclusiones El tornillo de esponjosa de diámetro de 4,0 mm con rosca parcial es una alternativa eficaz, segura y con baja tasa de complicaciones para el manejo de estas fracturas en nuestra población.
Posterior malleolus fractures are known to be caused by a combination of rotation and impaction, resulting in a wide variety of fractures, as published by Bartonicek. Among them is the subgroup known as the "posterior pilon variant," in which the axial impaction mechanism plays a fundamental role. There is no consensus regarding appropriate surgical approaches for these fractures. We describe a posteromedial modified approach, as an alternative to treat posterior pilon malleolar fractures. This approach can be performed safely, with low complication rates and generally with favorable outcomes.Level of Evidence: Diagnostic Level IV. See Instructions for Authors for a complete description of levels of evidence.
Introduction/Purpose: Displaced intra-articular calcaneal fracture have been usually treated with open reduction and internal fixation using extensile lateral approach, however this management has been associated with high rates of soft tissues complications. Minimally invasive approaches might be an alternative to reduce these complications and improve the outcomes. Our aims were to describe the radiological and clinical outcomes of patients with intra-articular calcaneal fractures treated with a minimally invasive surgical technique. To determine if the Böhler's angle is restored and maintained through the time. To determine the posterior facet joint reduction using CT scan. To report the frequency the soft tissue complications, days of hospitalization after the surgery, and the need of secondary procedures or additional admissions using this technique.
Avascular necrosis of the talus is a rare condition that can lead to important functional sequelae. There are few therapeutic alternatives for more advanced stages of this disease, the majority of which sacrifice the ankle joint. We report the case of a 50-year-old patient with nontraumatic avascular necrosis that compromised a large part of the talar surface. After non-structural autograft failed, it was reconstructed using fresh structural talar allograft. At one year of follow-up, the patient reported a considerable decrease in pain. To our knowledge, this is the first reported case in which fresh structural allograft was used in the treatment of nontraumatic avascular necrosis of the talus. Level of Evidence V; Therapeutic Studies; Expert Opinion.
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