Estudio comparativo biomecánico de la rotación del componente tibial entre la prótesis en bisagra rotatoria y las prótesis de constricción condilar varo-valgo
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2021
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24/06/2021
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Universidad Complutense de Madrid
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Abstract
Las prótesis totales de rodilla (PTR) primarias tienen resultados excelentes en términos de supervivencia con cifras cercanas al 95% a 10 años, pero estos datos se empobrecen en las PTR de revisión con supervivencias cercanas al 79% a 10 años. En la cirugía de revisión suelen emplearse PTR de alta constricción como las prótesis constreñidas condilares varo-valgo (CCK) y la bisagras rotatorias (BR) siendo, teóricamente, la CCK la de menor constricción de las dos. La elección del grado de constricción suele depender del reserva ósea remanente y del estado de los ligamentos colaterales. La bibliografía disponible muestra una tendencia creciente hacia el uso de prótesis de BR frente al uso de CCK en casos complejos de cirugía de revisión..
The number of total knee arthroplasties (TKA) implanted annually has tripled in the last decade, with a parallel increase in the number of revision surgeries. The primary TKA has excellent results in terms of survival, being close to 95% at 10 years, but these data are impoverished in the revision TKA with survivals close to 79% at 10 years.In revision surgery, highly constricted TKAs are usually used, such as constricted varus-valgus condylar prostheses (CCK) and rotating hinges (BR), with the CCK being theoretically the least constricted of them. The choice of the degree of constriction usually depends on the remaining bone stock and the collateral ligaments competence. The available literature shows a growing trend towards the use of BR prostheses compared to the use of CCK in complex cases of revision surgery...
The number of total knee arthroplasties (TKA) implanted annually has tripled in the last decade, with a parallel increase in the number of revision surgeries. The primary TKA has excellent results in terms of survival, being close to 95% at 10 years, but these data are impoverished in the revision TKA with survivals close to 79% at 10 years.In revision surgery, highly constricted TKAs are usually used, such as constricted varus-valgus condylar prostheses (CCK) and rotating hinges (BR), with the CCK being theoretically the least constricted of them. The choice of the degree of constriction usually depends on the remaining bone stock and the collateral ligaments competence. The available literature shows a growing trend towards the use of BR prostheses compared to the use of CCK in complex cases of revision surgery...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Medicina, Departamento de Cirugía, leída el 24-06-2021