Dec 27, 1995

Effectiveness of bystander cardiopulmonary resuscitation and survival following out-of-hospital cardiac arrest

JAMA : the Journal of the American Medical Association
E J GallagherP Gennis


To examine the independent relationship between effectiveness of bystander cardiopulmonary resuscitation (CPR) and survival following out-of-hospital cardiac arrest. Prospective observational cohort. New York City. A total of 2071 consecutive out-of-hospital cardiac arrests meeting Utstein criteria. Trained prehospital personnel assessed the quality of bystander CPR on arrival at the scene. Satisfactory execution of CPR required performance of both adequate compressions and ventilations in conformity with current American Heart Association guidelines. Adjusted association between CPR effectiveness and survival. Survival was defined as discharge from hospital to home. Outcome was determined on all members of the inception cohort--none were lost to follow-up. When the association between bystander CPR and survival was adjusted for effectiveness of CPR in the parent data set (N = 2071), only effective CPR was retained in the logistic model (adjusted odds ratio [OR] = 5.7; 95% confidence interval [CI], 2.7 to 12.2; P < .001). Of the subset of 662 individuals (32%) who received bystander CPR, 305 (46%) had it performed effectively. Of these, 4.6% (14/305) survived vs 1.4% (5/357) of those with ineffective CPR (OR = 3.4; 95% CI, 1.1 ...Continue Reading

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Mentioned in this Paper

Emergency Care
Incidence Studies
Logistic Regression
Basic Cardiac Life Support
Cardiac Arrest

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