Influence of Isosorbide Dinitrate on Superior Mesenteric Artery Impedance in Humans

Overview

Journal Cardiovasc Drugs Ther

Specialties Cardiology & Vascular Diseases
Pharmacology

Date 1993 Feb 1

PMID 8485071

Citations 2

Authors

D Voet

M Afschrift

D Duprez

M De Buyzere

F Barbier

Affiliations

Soon will be listed here.

Abstract

In a randomized, double-blind, placebo-controlled crossover study the acute effect of isosorbide dinitrate (ISDN) on the superior mesenteric artery velocity waveform was studied in 10 healthy subjects (mean age 48.2 years) over a 10-minute period. The superior mesenteric artery pulsatility index (PI), which quantifies the blood velocity waveform, increased from the second minute following sublingual administration of 5 mg ISDN (basal PI 4.88 +/- 0.32) and reached its upper level (8.22 +/- 1.38) from the fourth minute on. In comparison with placebo, the significant rise of PI (second minute) occurred before the significant decrease of systolic blood pressure (ninth minute) and before the significant increase in the heart rate (fourth minute). Diastolic and mean arterial blood pressures remained unchanged. These observations suggest an immediate vasoconstrictive effect of ISDN on the resistance vessels of the vascular bed of the superior mesenteric artery.

Citing Articles

Influence of central command and ergoreceptors on the splanchnic circulation during isometric exercise.

Duprez D, Voet D, De Buyzere M, Drieghe B, Vyncke B, Mareels S Eur J Appl Physiol Occup Physiol. 1995; 71(5):459-63.

PMID: 8565979 DOI: 10.1007/BF00635881.

Influence and interference of isosorbide dinitrate and food intake on superior mesenteric artery impedance in humans.

Voet D, Mareels S, Afschrift M, De Buyzere M, Rietzschel E, Duprez D Eur J Clin Pharmacol. 1995; 47(5):401-5.

PMID: 7720760 DOI: 10.1007/BF00196852.

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