Document Detail


Prazosin therapy for refractory variant angina.
MedLine Citation:
PMID:  6823808     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The selective alpha, blocker prazosin was used to abolish Prinzmetal's variant angina in six patients. All had had an acute transmural myocardial infarction, after which the anginal attacks with transient ST segment elevation developed, and three of them had already suffered from variant angina prior to the infarction. Therapeutic trials with high doses of nifedipine, verapamil, nitrates, beta blockers, and (in one case) phenoxybenzamine were ineffective in all six patients. Prazosin, 8 to 30 mg/day combined with low-dose nitrates or nifedipine completely abolished the attacks in four patients, markedly reduced their frequency and intensity in one patient, and had to be stopped in the sixth one because of hypotension and dizziness. Except for this last patient, the drug was well tolerated by all the others, and no changes in blood pressure were observed. In four patients discontinuation or reduction of prazosin resulted in exacerbation of symptoms, but its renewal was followed by disappearance of the attacks. Since the mean follow-up period in this study was 4 to 6 months, further evaluation appears necessary concerning the long-term effects of this drug in Prinzmetal's variant angina.
Authors:
D Tzivoni; A Keren; J Benhorin; S Gottlieb; D Atlas; S Stern
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  American heart journal     Volume:  105     ISSN:  0002-8703     ISO Abbreviation:  Am. Heart J.     Publication Date:  1983 Feb 
Date Detail:
Created Date:  1983-03-11     Completed Date:  1983-03-11     Revised Date:  2006-02-27    
Medline Journal Info:
Nlm Unique ID:  0370465     Medline TA:  Am Heart J     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  262-6     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Aged
Angina Pectoris, Variant / complications,  diagnosis,  drug therapy*
Coronary Vasospasm / drug therapy*
Electrocardiography
Female
Humans
Male
Middle Aged
Myocardial Infarction / complications
Prazosin / therapeutic use*
Quinazolines / therapeutic use*
Chemical
Reg. No./Substance:
0/Quinazolines; 19216-56-9/Prazosin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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