Changes in Haemodynamics and Left Ventricular Function During Intravenous Nifedipine Infusion with and Without Additional Propranolol in Patients with Coronary Artery Disease. A Randomized, Placebo Controlled Trial

Overview

Journal Eur J Clin Pharmacol

Specialty Pharmacology

Date 1987 Jan 1

PMID 3327697

Authors

M Mauser

W Voelker

D Roser

K R Karsch

L Seipel

Affiliations

Soon will be listed here.

Abstract

The haemodynamic effects of a combined intravenous treatment of nifedipine and propranolol in ten patients with coronary artery disease compared to a single treatment with nifedipine or placebo were investigated. Nifedipine infusion resulted in a reduction of left ventricular (LV) afterload and LV volumes with an increase in heart rate and EF and no change of the double product, coronary sinus flow, LV diastolic parameters and dp/dtmax. Addition of propranolol lowers myocardial oxygen demand by reducing heart rate and dp/dtmax together with a sustained afterload reduction with no change in LV volumes and EF. The vasodilatatory action of nifedipine pretreatment balanced the negative effects of acute beta-receptor blockade on LV function and allows the reduction of myocardial oxygen demand without a deterioration of LV function.

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