Aug 22, 2007

Characteristics and outcome in out-of-hospital cardiac arrest when patients are found in a non-shockable rhythm

Resuscitation
J HerlitzJ Silfverstolpe

Abstract

To define factors associated with an improved outcome among patients suffering out-of-hospital cardiac arrest (OHCA) who were found in a non-shockable rhythm. All the patients included in the Swedish OHCA registry between 1990 and 2005 in whom resuscitation was attempted, who were found in a non-shockable rhythm and where either the OHCA was witnessed by a bystander or was not witnessed. In all, 22,465 patients fulfilled the inclusion criteria. Their mean age was 67 years, 32% were women, 57% were witnessed, 64% had a cardiac aetiology, 71% occurred at home and 34% received bystander cardiopulmonary resuscitation (CPR). Survival to 1 month was 1.3%. The following were independently associated with an increased chance of survival: 1/Decreasing age, 2/Witnessed arrest, 3/Bystander CPR, 4/Cardiac arrest outside home, 5/Shorter ambulance response time and 6/Need for defibrillatory shock. If these six criteria were fulfilled (age and ambulance response time below the median), survival to 1 month increased to 12.6%. If no criteria were fulfilled, survival was 0.15%. The overall survival among patients with an OHCA found in a non-shockable rhythm is very low (1.3%). Six factors associated with survival can be defined. When they are ta...Continue Reading

Mentioned in this Paper

Ventricular Fibrillation
Emergency Care
Logistic Regression
Basic Cardiac Life Support
Etiology
Anterior Thoracic Region
Chest
Cardiopulmonary
Ventilation, Function (Observable Entity)
Electroversion Therapy

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