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Órgano Oficial del Colegio Mexicano de Ortopedia y Traumatología

2008, Número 6

Acta Ortop Mex 2008; 22 (6)


Comparación de la supervivencia del vástago femoral (T28) con terminado liso o rugoso

Chaidez RP, Younger A, Renán LS, Poss R

Idioma: Español
Referencias bibliográficas: 32
Paginas: 350-355
Archivo PDF: 221.29 Kb.


RESUMEN

Introducción: El aflojamiento de los vástagos cementados en la artroplastía total de cadera es multifactorial, a través de su desarrollo el vástago T28 presentó dos tipos de acabado, sin embargo no se conocía el efecto de este acabado sobre la sobrevida del vástago. Material y métodos: Se evaluó 167 vástagos (84 lisos, 83 rugosos) colocados entre 1975 y 1982 para determinar el aflojamiento a través de las zonas de Gruen, de igual forma se valoró la superviviencia con el método de Kaplan-Meier. La revisión fue necesaria en 24.8% de los casos. Las curvas de supervivencia a 20 años fueron de 85.2% para el vástago rugoso y 64.2% para el vástago liso. Conclusiones: Se comprueba nuestra hipótesis sobre el éxito del 87.95% de la longevidad del implante rugoso a 17 años de seguimiento. La longevidad del implante es independiente del tipo de diagnóstico, cementación, edad y posición del vástago. La longevidad del vástago cementado T28 no sólo depende del terminado de su superficie sino que es multifactorial.


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