Nitroprusside, but not ANF inhibits venoconstriction in an in situ rat model.

Abstract

Potential venodilator actions of nitroprusside (10 and 50 micrograms/min) and ANF (23 amino acid rat sequence, 10 and 30 micrograms/min) were assessed in rats subjected to cardiopulmonary bypass. Norepinephrine (NE, 10 micrograms) caused arterial pressor, i.e. increased perfusion pressure and venoconstrictor, i.e. increased venous flow, effects. ANF… (More)

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