Mar 20, 2010

Nationwide public-access defibrillation in Japan

The New England Journal of Medicine
Tetsuhisa KitamuraImplementation Working Group for the All-Japan Utstein Registry of the Fire and Disaster Management Agency

Abstract

It is unclear whether dissemination of automated external defibrillators (AEDs) in public places can improve the rate of survival among patients who have had an out-of-hospital cardiac arrest. From January 1, 2005, through December 31, 2007, we conducted a prospective, population-based, observational study involving consecutive patients across Japan who had an out-of-hospital cardiac arrest and in whom resuscitation was attempted by emergency responders. We evaluated the effect of nationwide dissemination of public-access AEDs on the rate of survival after an out-of-hospital cardiac arrest. The primary outcome measure was the 1-month rate of survival with minimal neurologic impairment. A multivariate logistic-regression analysis was performed to assess factors associated with a good neurologic outcome. A total of 312,319 adults who had an out-of-hospital cardiac arrest were included in the study; 12,631 of these patients had ventricular fibrillation and had an arrest that was of cardiac origin and that was witnessed by bystanders. In 462 of these patients (3.7%), shocks were administered by laypersons with the use of public-access AEDs, and the proportion increased, from 1.2% to 6.2%, as the number of public-access AEDs increas...Continue Reading

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  • Citations207

Citations

Mentioned in this Paper

Ophthalmoplegia
Ventricular Fibrillation
Logistic Regression
Shock
Griscelli Syndrome, Type 1
Observation - Diagnostic Procedure
Electroversion Therapy
Regression Analysis
Observation in Research
Volunteerism

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