Open AccessHemodynamic effects of oral isosorbide‐5‐mononitrate and dinitrate in ischemic heart failure
Author(s) -
Rabinowitz B.,
Hod H.,
Chouraqui P.,
Rath S.,
Agranat O.,
Neufeld H. N.
Publication year - 1987
Publication title -
clinical cardiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.263
H-Index - 72
eISSN - 1932-8737
pISSN - 0160-9289
DOI - 10.1002/clc.4960101019
Subject(s) - isosorbide dinitrate , medicine , hemodynamics , heart failure , cardiology , nitroglycerin (drug) , anesthesia
Isosorbide‐5‐mononitrate (ISMN), the main metabolite of isosorbide dinitrate (ISDN) was recently introduced in clinical use. The hemodynamic effects of oral ISMN and ISDN, administered in equal doses, were studied in a randomized, crossover fashion in 20 patients with pump failure of ischemic etiology. Baseline hemodynamic criteria for admission into the study were: pulmonary capillary wedge pressure (PCW) of at least 20 mmHg and systolic arterial pressure (AP) above 90 mmHg. Hemodynamic parameters were serially measured and systemic vascular resistance was calculated up to 6 h postadministration of either ISMN or ISDN single dose (40 mg). Maximal effects obtained were statistically significantly different from baseline. While ISMN and ISDN appeared to be equipotent in reducing the filling pressure, with a maximum effect reached in 60–120 min, the mononitrate maintained its effects for a longer period.