Hemodynamic assessment of oral peripheral vasodilator therapy in chronic congestive heart failure: Prolonged effectiveness of isosorbide dinitrate

David O. Williams, William J Bommer, Richard R. Miller, Ezra A Amsterdam, Dean T. Mason

Research output: Contribution to journalArticle

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Abstract

To evaluate the effectiveness of oral vasodilator therapy in chronic congestive heart failure, 20 mg of isosorbide dinitrate or placebo was administered orally in double-blind fashion to 25 patients with congestive heart failure. In 15 patients receiving isosorbide dinitrate, pulmonary arterial wedge pressure decreased 5 minutes to 5 hours after drug administration; the peak reduction was observed at 1 hour (from 23 to 14 mm Hg; P <0.001). Wedge pressure decreased to normal (12 mm Hg or less) in 8 of the 15 patients (Group I) but remained greater than 12 mm Hg in 7 (Group II). Reductions in mean systemic arterial pressure, systemic vascular resistance and pressure-time per minute also occurred. Indexes of pump output were unchanged in the 15 who received isosorbide dinitrate but tended to decrease slightly in Group I. Stroke index (from 23 to 26 cc/m2) and stroke work index (from 21.4 to 24.1 g·m/m2) increased slightly but significantly (P <0.05) in Group II. Thus the principal hemodynamic action of isosorbide dinitrate is marked and sustained reduction in left ventricular filling pressure without pronounced effect on cardiac output. This agent should be used in congestive heart failure primarily for relief of congestive symptoms.

Original languageEnglish (US)
Pages (from-to)84-90
Number of pages7
JournalThe American journal of cardiology
Volume39
Issue number1
DOIs
StatePublished - 1977

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Isosorbide Dinitrate
Vasodilator Agents
Heart Failure
Hemodynamics
Pulmonary Wedge Pressure
Arterial Pressure
Stroke
Ventricular Pressure
Therapeutics
Cardiac Output
Vascular Resistance
Placebos
Pressure
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Hemodynamic assessment of oral peripheral vasodilator therapy in chronic congestive heart failure : Prolonged effectiveness of isosorbide dinitrate. / Williams, David O.; Bommer, William J; Miller, Richard R.; Amsterdam, Ezra A; Mason, Dean T.

In: The American journal of cardiology, Vol. 39, No. 1, 1977, p. 84-90.

Research output: Contribution to journalArticle

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