La introducción en el armamentario terapéutico de los agentes vasodilatadores ofrece una nueva perspectiva en el tratamiento de la insuficiencia cardiaca. Al reducir la impedancia aórtica y/o al disminuir el retorno venoso al corazón, los vasodilatadores reducen la tension sistólica del ventriculo izquierdo (postcarga). De este modo, estos fármacos aumentan el Easto cardiaco al abatir las resistencias arterioiares sistémicas y reducen la presión de llenado del ventriculo izquierdo al disminuir el tono venoso. La selección del vasodilatador que debe usarse en cada caso depende del efecto particular delfármaco y del patron hemodinámico presente. Esta novedosa forma de tratamiento no excluye sino que complementa a los metodos convencionales de tratamiento tales como los digitálicos y los diuréticos.

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© 1980 S. Karger AG, Basel
1980
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