Is There an Effect of Amiodarone on the Defibrillation Threshold?

The interaction between amiodarone and the defibrillation threshold (DFT) is still controversial. We present a case with dilated cardiomyopathy and recurrent sustained monomorphic ventricular tachycardia who received an automatic implantable cardioverter defibrillator (AICD) while under long-term am...

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Veröffentlicht in:Japanese Heart Journal 1993, Vol.34(2), pp.221-226
Hauptverfasser: GÜLDAL, Muharrem, KARAOGUZ, Remzi, AKALIN, Hakki, BAYAR, Mustafa, AKYOL, Turhan
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container_end_page 226
container_issue 2
container_start_page 221
container_title Japanese Heart Journal
container_volume 34
creator GÜLDAL, Muharrem
KARAOGUZ, Remzi
AKALIN, Hakki
BAYAR, Mustafa
AKYOL, Turhan
description The interaction between amiodarone and the defibrillation threshold (DFT) is still controversial. We present a case with dilated cardiomyopathy and recurrent sustained monomorphic ventricular tachycardia who received an automatic implantable cardioverter defibrillator (AICD) while under long-term amiodarone treatment. AICD implantation was performed without thoracotomy. The transvenous lead was inserted via a left subclavian vein puncture and the patch was placed on the lateral chest wall, submuscularly. At the time of implantation a 35J shock was not successful in converting ventricular fibrillation to sinus rhythm, but a 40J rescue shock was successful. After discontinuation of amiodarone, DFT measurements were repeated. Sixteen days later DFT was still higher than 34J, but 71 days later it decreased to 20J.
doi_str_mv 10.1536/ihj.34.221
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We present a case with dilated cardiomyopathy and recurrent sustained monomorphic ventricular tachycardia who received an automatic implantable cardioverter defibrillator (AICD) while under long-term amiodarone treatment. AICD implantation was performed without thoracotomy. The transvenous lead was inserted via a left subclavian vein puncture and the patch was placed on the lateral chest wall, submuscularly. At the time of implantation a 35J shock was not successful in converting ventricular fibrillation to sinus rhythm, but a 40J rescue shock was successful. After discontinuation of amiodarone, DFT measurements were repeated. 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source MEDLINE; J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals
subjects Adult
Amiodarone
Amiodarone - pharmacology
Amiodarone - therapeutic use
Biological and medical sciences
Cardiomyopathy, Dilated - complications
Defibrillation threshold
Defibrillators, Implantable
Drug toxicity and drugs side effects treatment
Electrocardiography
Humans
Male
Medical sciences
Pharmacology. Drug treatments
Tachycardia, Ventricular - complications
Tachycardia, Ventricular - drug therapy
Tachycardia, Ventricular - therapy
Time Factors
Toxicity: cardiovascular system
Ventricular Fibrillation - therapy
title Is There an Effect of Amiodarone on the Defibrillation Threshold?
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