May 7, 2011

Collapse-to-emergency medical service cardiopulmonary resuscitation interval and outcomes of out-of-hospital cardiopulmonary arrest: a nationwide observational study

Critical Care : the Official Journal of the Critical Care Forum
Soichi KoikeTomoaki Imamura

Abstract

The relationship between collapse to emergency medical service (EMS) cardiopulmonary resuscitation (CPR) interval and outcome has been well documented. However, most studies have only analyzed cases of cardiac origin and Vf (ventricular fibrillation)/pulseless VT (ventricular tachycardia). We sought to examine all causes of cardiac arrest and analyze the relationship between collapse-to-EMS CPR interval and outcome in a nationwide sample using an out-of-hospital cardiac arrest (OHCA) registry. This was a retrospective observational study based on a nationwide OHCA patient registry in Japan between 2005 and 2008 (n = 431,968). We included cases where collapse was witnessed by a bystander and where collapse and intervention time were recorded (n = 109,350). Data were collected based on the Utstein template. One-month survival and neurologically favorable one-month survival were used as outcome measures. Logarithmic regression and logistic regression were used to examine the relation between outcomes and collapse-to-EMS CPR interval. Among collapse-to-EMS CPR intervals between 3 and 30 minutes, the logarithmic regression equation for the relationship with one-month survival was y = -0.059 ln(x) + 0.21, while that for the relations...Continue Reading

  • References27
  • Citations14

References

  • References27
  • Citations14

Citations

Mentioned in this Paper

Acrocallosal Syndrome
Ventricular Fibrillation
Emergency Care
Brain
Basic Cardiac Life Support
Etiology
GLI3 gene
Observation - Diagnostic Procedure
Cerebral Hemisphere Structure (Body Structure)
Tachycardia, Ventricular

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