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AVID and Beyond : Lessons Learned

AVID and Beyond : Lessons Learned The implantable cardioverter defibrillator (ICD) has been approved by the Food and Drug Administration (FDA) since 1985 and is widely used in practice. Until recently, however, the efficacy of the ICD has depended on a large published series of retrospective studies analyzing ventricular tachycardia and fibrillation patients. The recently published Antiarrhythmics Versus Implantable Defibrillator (AVID) trial is the first prospective randomized trial to show clearly that the ICD is more effective than drug therapy (amiodarone or sotalol) in patients who have survived an out‐of‐hospital cardiac arrest or have syncopal or hemodynamically significant ventricular tachycardia. The survival advantages probably hold true only for patients with an ejection fraction under 35% who have either coronary disease or other forms of cardiomyopathy. The survival advantage in this trial—which was halted prematurely because of the results noted—was short‐lived (2.8 months) and expensive. The results of this trial will clearly define the role of the ICD in everyday clinical practice and will be of invaluable benefit to patients, physicians, and insurers alike. The results of the AVID trial, as well as other postevent and pre‐event trials, are summarized in this article. A number of sub studies have already resulted from the AVID study and are also presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Interventional Cardiology Wiley

AVID and Beyond : Lessons Learned

Journal of Interventional Cardiology , Volume 11 (3) – Jun 1, 1998

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References (27)

Publisher
Wiley
Copyright
Copyright © 1998 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0896-4327
eISSN
1540-8183
DOI
10.1111/j.1540-8183.1998.tb00122.x
Publisher site
See Article on Publisher Site

Abstract

The implantable cardioverter defibrillator (ICD) has been approved by the Food and Drug Administration (FDA) since 1985 and is widely used in practice. Until recently, however, the efficacy of the ICD has depended on a large published series of retrospective studies analyzing ventricular tachycardia and fibrillation patients. The recently published Antiarrhythmics Versus Implantable Defibrillator (AVID) trial is the first prospective randomized trial to show clearly that the ICD is more effective than drug therapy (amiodarone or sotalol) in patients who have survived an out‐of‐hospital cardiac arrest or have syncopal or hemodynamically significant ventricular tachycardia. The survival advantages probably hold true only for patients with an ejection fraction under 35% who have either coronary disease or other forms of cardiomyopathy. The survival advantage in this trial—which was halted prematurely because of the results noted—was short‐lived (2.8 months) and expensive. The results of this trial will clearly define the role of the ICD in everyday clinical practice and will be of invaluable benefit to patients, physicians, and insurers alike. The results of the AVID trial, as well as other postevent and pre‐event trials, are summarized in this article. A number of sub studies have already resulted from the AVID study and are also presented.

Journal

Journal of Interventional CardiologyWiley

Published: Jun 1, 1998

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