TITLE

CLINICAL EVALUATION OF SUBLINGUAL NITRATES

AUTHOR(S)
Bunn Jr., William H.; Chremos, A. N.
PUB. DATE
January 1963
SOURCE
Angiology;Jan1963, Vol. 14 Issue 1, p48
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A preliminary study was set up to compare onset of action and duration of action of two sublingual nitrates, nitroglycerin and isosorbide dinitrate. Forty-five patients were interviewed for their subjective impressions. Nitroglycerin was judged to have a more rapid onset of action. Isosorbide dinitrate was judged to have a more sustained duration of action. Twenty patients selected for objective studies were exercised, and electrocardiographic changes were continuously monitored during and after exercise on the RKG-100. Immediate action of nitroglycerin was slightly more rapid than that of isosorbide dinitrate. Duration of action of isosorbide dinitrite was more marked than that of nitroglycerin, as shown during exercise 30 min. after drug administration. This sustained protection remained at a high level for 1 and 2 hr. after isosorbide dinitrate, but was decreased markedly 1 hr. after nitroglycerin administration.
ACCESSION #
16395545

 

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