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Cifras tensionales por debajo de lo normal constituyen un mal signo en pacientes con insuficiencia cardíaca, ya que se asocia a un mayor riesgo de muerte, según muestra un estudio publicado en el "American Heart Journal" por médicos del Beth Israel Deaconess Medical Center de Boston.
Evaluaron la asociación entre la presión arterial y la mortalidad en 5.474 pacientes con insuficiencia cardíaca leve o moderada. Observaron que aquellos con presión sistólica inferior a 100 mm Hg presentan una tasa de mortalidad del 50%, significativamente superior a la registrada en un grupo comparativo formado por pacientes cuya presión sistólica se situaba entre 130 y 139 mm Hg, en los que la tasa de muerte fue del 32%.
La presión diastólica baja, por debajo de 60 mm Hg, también se asoció con un mayor riesgo de muerte.
Webs Relacionadas
American Heart Journal
Beth Israel Deaconess Medical Center