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  Vol. 245 No. 7, February 20, 1981 TABLE OF CONTENTS
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  CLINICAL CARDIOLOGY
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Vasodilator Therapy for Heart Failure

Concepts, Applications, and Challenges

Stanley A. Rubin, MD; Harold J. C. Swan, MD, PhD

JAMA. 1981;245(7):761-763.


Abstract

Vasodilators are widely used in the treatment of heart failure patients even though the drugs are incompletely understood. Vasodilators oppose the excessive vasoconstriction of heart failure, but factors that control excessive vasomotor tone are poorly understood. Possible physiological benefits include more favorable distribution of blood flow and blood volume, but exact effects on blood vessels have been incompletely explored. As a result of vasodilation, preload and afterload reduction can improve cardiac performance, but the role of the blood vessels in the performance of the failing heart is not well understood. Clinical benefits include relief of dyspnea, improvement in tissue metabolism, and increase in exercise tolerance (in patients who have chronic heart failure). However, the degree of effectiveness among various causes of heart failure, different degrees of cardiovascular compensation, and different durations of failure is unknown.

(JAMA 1981;245:761-763)



Author Affiliations

From the Division of Cardiology, Department of Medicine, Cedars-Sinai Medical Center, and the University of California, Los Angeles, School of Medicine.


Footnotes

Reprint requests c/o Cardiology Publications Office, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Los Angeles, CA 90048 (Dr Rubin).



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