Location of death (in-hospital or out-of-hospital) and type of death (arrhythmic, nonarrhythmic, noncardiac) after inducible sustained ventricular tachyarrhythmias after syncope, sustained ventricular tachycardia, or nonfatal cardiac arrest (The ESVEM trial)

Brian Olshansky*, Vernon Hartz, Elizabeth Hahn, Jay Mason, M. Douglas Weaver

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The ESVEM Trial evaluated methods to guide antiarrhythmic drug use in patients with spontaneous, inducible sustained tachyarrhythmias at electrophysiologic testing and frequent ventricular premature complexes (VPCs) per hour (≥10). We assessed the relation between location (in- hospital or out-of-hospital) and classification of death (arrhythmic, nonarrhythmic, cardiac and/or noncardiac) for 486 randomized patients. Deaths were classified as out-of-hospital arrhythmic deaths if arrhythmic death occurred out-of-hospital, or if an arrhythmia preceded hospital admission and directly caused death. Of the 486 randomized patients, 188 (39%) died during 6 years of follow-up. The location and type of death could be determined clearly in 171 patients (91%). Ninety-one deaths were in-hospital (53%); 80 were out-of-hospital (47%). Arrhythmic deaths occurred in 85% out-of-hospital patients and in 30% in-hospital patients (p<0.001). Baseline characteristics were comparable for patients with out-of-hospital and in-hospital arrhythmic deaths. Twenty-seven of 95 arrhythmic deaths occurred in-hospital (28%); 72% occurred out-of-hospital. Out-of-hospital arrhythmic death accounted for 40% of deaths for which location and type of information were available. The 1- and 4-year actuarial out-of-hospital arrhythmic death rates were 9% and 18%, respectively. Of nonarrhythmic cardiac deaths, 91% were in-hospital and 9% were out-of-hospital. Of noncardiac deaths, 74% were in-hospital and 26% were out-of-hospital. Similar results were seen in the 296 patients for whom a drug was considered to be effective. Thus, over half the deaths in the ESVEM trial occurred in-hospital. The long-term actuarial risk of out-of-hospital arrhythmic death in ESVEM was unexpectedly low. (C) 2000 by Excerpta Medica, Inc.

Original languageEnglish (US)
Pages (from-to)846-851
Number of pages6
JournalAmerican Journal of Cardiology
Volume86
Issue number8
DOIs
StatePublished - Aug 15 2000

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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