Document Detail


Mortality reduction by antiadrenergic modulation of arrhythmogenic substrate: significance of combining beta blockers and amiodarone.
MedLine Citation:
PMID:  10568664     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Over the last 3 decades, there have been numerous experimental and clinical studies that utilized beta blockers for acute as well as chronic myocardial syndromes, especially in the setting of myocardial infarction in which the focus has been on mortality reduction. The results of these studies demonstrated the benefits of these agents at all stages of coronary artery disease. Although these data have always indicated that beta blockade per se is an antiarrhythmic as well as an antifibrillatory mechanism, the recognition of this phenomenon has been slow in finding universal appreciation. More recent studies have evaluated the additive role of beta blockers to newer therapies. A number of investigations have now established that this class of drugs does exert antifibrillatory action in preventing the occurrence of ventricular tachycardia (VT) and ventricular fibrillation (VF), thereby reducing sudden arrhythmic death and prolonging survival. It is of interest that 2 of the leading antiarrhythmic drugs, amiodarone and sotalol, also have antiadrenergic properties. This article reviews the expanding role of beta-blocking drugs in the control and prevention of life-threatening ventricular tachyarrhythmias with a particular focus on the evidence for synergistic benefits when they are combined with other interventions, especially amiodarone.
Authors:
K O Ogunyankin; B N Singh
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  The American journal of cardiology     Volume:  84     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  1999 Nov 
Date Detail:
Created Date:  1999-12-01     Completed Date:  1999-12-01     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  76R-82R     Citation Subset:  AIM; IM    
Affiliation:
Division of Cardiology, Bassett Healthcare, Cooperstown, New York 13326, USA.
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MeSH Terms
Descriptor/Qualifier:
Adrenergic beta-Antagonists / administration & dosage*,  adverse effects
Amiodarone / administration & dosage*,  adverse effects
Anti-Arrhythmia Agents / administration & dosage*,  adverse effects
Drug Therapy, Combination
Electrocardiography / drug effects*
Humans
Survival Rate
Tachycardia, Ventricular / drug therapy*,  etiology,  mortality
Treatment Outcome
Ventricular Fibrillation / drug therapy*,  etiology,  mortality
Chemical
Reg. No./Substance:
0/Adrenergic beta-Antagonists; 0/Anti-Arrhythmia Agents; 1951-25-3/Amiodarone

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


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