Apr 3, 2008

Home use of automated external defibrillators for sudden cardiac arrest

The New England Journal of Medicine
G H BardyHAT Investigators

Abstract

The most common location of out-of-hospital sudden cardiac arrest is the home, a situation in which emergency medical services are challenged to provide timely care. Consequently, home use of an automated external defibrillator (AED) might offer an opportunity to improve survival for patients at risk. We randomly assigned 7001 patients with previous anterior-wall myocardial infarction who were not candidates for an implantable cardioverter-defibrillator to receive one of two responses to sudden cardiac arrest occurring at home: either the control response (calling emergency medical services and performing cardiopulmonary resuscitation [CPR]) or the use of an AED, followed by calling emergency medical services and performing CPR. The primary outcome was death from any cause. The median age of the patients was 62 years; 17% were women. The median follow-up was 37.3 months. Overall, 450 patients died: 228 of 3506 patients (6.5%) in the control group and 222 of 3495 patients (6.4%) in the AED group (hazard ratio, 0.97; 95% confidence interval, 0.81 to 1.17; P=0.77). Mortality did not differ significantly in major prespecified subgroups. Only 160 deaths (35.6%) were considered to be from sudden cardiac arrest from tachyarrhythmia. O...Continue Reading

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Citations

Mentioned in this Paper

Ophthalmoplegia
Emergency Care
Kaplan-Meier Estimate
Basic Cardiac Life Support
Shock
Myocardial Infarction
Blastocyst Implantation, Natural
Sudden Cardiac Arrest
Home Nursing
Cardiopulmonary

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