Les effets de l'adénosine


Effets de l'adénosine


Effets sur le système cardio-vasculaire

-Effet dépresseur : hypotension artérielle due à 2 phénomènes
-diminution des résistances périphériques et du débit cardiaque
-Effet cardiaques :
-diminution des forces de contraction (effet inotrope négatif), de la fréquence cardiaque (effet bradycardisant) et de la conduction auriculo-ventriculaire

Effets sur le sang

- Inhibe l'agrégation plaquettaire

Effets sur le système broncho pulmonaire et respiratoire

- Sur un sujet sain : dilatation des bronches
- Sur un sujet asthmatique et un sujet présentant des broncho-pneumopathies : inflammation

Effets sur le système nerveux central

- Effets dépresseurs : diminue l'excitabilité
- Freine la libération de neuromédiateurs tels que la dopamine, la sérotonine et le glutamate

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