Evaluaron los resultados de más de 12.400 pacientes consecutivos sometidos a cirugía cardiaca en un centro regional entre 1996 y 2003, de los que 706 eran mayores de 80 años. Comparados con los pacientes más jóvenes, tenían más posibilidades de presentar una peor función ventricular, angina inestable y de necesitar cirugía valvular, además de tener una mayor proporción de mujeres en este subgrupo. Por el contrario, los pacientes más jóvenes presentaban mayor tasa de cirugía cardiaca previa, patología coronaria y diabetes.
Las tasas de mortalidad hospitalaria fueron del 3,9% para todos los pacientes y del 9,8% para los octogenarios, porcentajes ambos significativamente inferiores a la predicción del sistema de estratificación del riesgo estandarizado. La estancia de más de 24 horas en la UCI fue del 37% en los pacientes octogenarios y del 23% en los más jóvenes, y la supervivencia a 5 años tras la cirugía fue del 82,1% en los octogenarios, significativamente superior a la de personas de la población general de la misma edad y sexo.
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