| Characterization of spontaneous recurrent ventricular arrhythmias detected by electrogram-storing defibrillators in sudden cardiac death survivors with no inducible ventricular arrhythmias at baseline electrophysiologic testing. | |
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MedLine Citation:
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PMID: 8701887 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This retrospective study characterized the recurring ventricular arrhythmias with an electrogram-storing defibrillator in survivors of sudden cardiac death who had no inducible sustained ventricular arrhythmias at baseline electrophysiologic testing (EPS). The study group was composed of 24 selected patients with documented ventricular fibrillation (VF) without need of revascularization or chronic antiarrhythmic therapy. The EPS protocol usually consisted of three extrastimuli at two drive cycles at two right ventricular sites. Nonischemic cardiomyopathy was the most frequent structural abnormality (n = 11) followed by coronary artery disease (n = 7). The mean ejection fraction was 0.37 +/- 0.13. Cardiac status did not appear to change during a mean follow-up period of 16.4 +/- 12.5 months, and eight (33%) patients received appropriate shocks in that time period. On the basis of intracardiac electrograms, 7 (88%) patients experienced VF and 1 (12%) patient had ventricular tachycardia as the first recurring arrhythmia. Four patients had additional recurrences and all were VF episodes. VF was usually present from the onset of the arrhythmia. In addition, 9 (38%) patients had nonsustained ventricular arrhythmias that were solely VF in 6 (67%). In conclusion, VF of sudden onset was the most frequent recurring sustained ventricular arrhythmia in this group. |
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Authors:
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S Zaim; B Zaim; J Rottman; I Mendoza; N Nasir; A Pacifico |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: American heart journal Volume: 132 ISSN: 0002-8703 ISO Abbreviation: Am. Heart J. Publication Date: 1996 Aug |
Date Detail:
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Created Date: 1996-09-03 Completed Date: 1996-09-03 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0370465 Medline TA: Am Heart J Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 274-9 Citation Subset: AIM; IM |
Affiliation:
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Hahnemann University Hospital, Philadelphia, Pa, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Arrhythmias, Cardiac / diagnosis, physiopathology*, therapy Death, Sudden, Cardiac* Defibrillators, Implantable* Electrocardiography* Female Humans Male Middle Aged Recurrence Retrospective Studies Survivors Tachycardia, Ventricular / diagnosis, physiopathology Ventricular Fibrillation / diagnosis, physiopathology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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