Dec 12, 2007

Effectiveness of bystander-initiated cardiac-only resuscitation for patients with out-of-hospital cardiac arrest

Circulation
Taku IwamiHiroshi Nonogi

Abstract

Previous animal and clinical studies suggest that bystander-initiated cardiac-only resuscitation may be superior to conventional cardiopulmonary resuscitation (CPR) for out-of-hospital cardiac arrests. Our hypothesis was that both cardiac-only bystander resuscitation and conventional bystander CPR would improve outcomes from out-of-hospital cardiac arrests of < or = 15 minutes' duration, whereas the addition of rescue breathing would improve outcomes for cardiac arrests lasting > 15 minutes. We carried out a prospective, population-based, observational study involving consecutive patients with emergency responder resuscitation attempts from May 1, 1998, through April 30, 2003. The primary outcome measure was 1-year survival with favorable neurological outcome. Multivariable logistic regression analysis was performed to evaluate the relationship between type of CPR and outcomes. Among the 4902 witnessed cardiac arrests, 783 received conventional CPR, and 544 received cardiac-only resuscitation. Excluding very-long-duration cardiac arrests (> 15 minutes), the cardiac-only resuscitation yielded a higher rate of 1-year survival with favorable neurological outcome than no bystander CPR (4.3% versus 2.5%; odds ratio, 1.72; 95% CI, 1....Continue Reading

Mentioned in this Paper

Ventricular Fibrillation
Emergency Care
Survival Analysis
Logistic Regression
Basic Cardiac Life Support
Multivariate Analysis
Observation - Diagnostic Procedure
Cardiopulmonary
Regression Analysis
Congenital Absence of Germinal Epithelium of Testes

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