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  • Title: Changes in cardiovascular function induced by verapamil in healthy subjects and in patients with ischemic heart disease.
    Author: Vincenzi M, Morlino T, Allegri P, Barbieri E, Cappelletti F, De Lio U, Ometto R, Maiolino P.
    Journal: Clin Cardiol; 1981 Jan; 4(1):15-21. PubMed ID: 7226586.
    Abstract:
    Alterations in cardiovascular function induced by the acute intravenous administration of verapamil (5 or 10 mg) in 52 patients (29 with ischemic heart disease and 23 without heart disease) were evaluated with use of invasive techniques (right and left heart catheterization, left ventricular cineangiography, and coronary arteriography). The most significant changes were represented by a decrease in systemic vascular resistance and systemic arterial pressure, and an increase in heart rate and cardiac output. Contractility indexes were not depressed in either group, and altered ventricular wall motion tended to improve to a slightly smaller degree than in patients treated with nitroglycerin. The use of verapamil in patients with ischemic heart disease appears to be safe, and concern about the negative inotropic influences in humans no longer seems justified.
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