Document Detail

Epidemiology, trends, and outcome of out-of-hospital cardiac arrest of non-cardiac origin.
MedLine Citation:
PMID:  17118509     Owner:  NLM     Status:  MEDLINE    
INTRODUCTION: The majority of victims who experience out-of-hospital cardiac arrest (OHCA) have ventricular fibrillation (VF) as the presenting rhythm and are thought to have a cardiac etiology for their arrest. Over the past decade, the incidence of VF OHCA has declined. The aims of this study were to describe the epidemiology of OHCA of non-cardiac origin in Olmsted County MN and to determine the trends that have occurred over time. METHODS: All residents with a traumatic OHCA from 1995 to 2005 were included for analysis. OHCA data were collected prospectively according to the Utstein method. Cardiac arrests were classified as cardiac or non-cardiac in origin and the etiology determined based on autopsy reports, electronic medical records, and/or emergency medical services reports. RESULTS: During the study period, 414 OHCAs were identified, 90 (21.7%) of which were classified as non-cardiac. Mean age was 61.5+/-19.7 years. Response time was 7.73+/-2.9 min, and 40 (44.4%) were bystander-witnessed. Sixty-eight (75.6%) arrests occurred at home, 13 (14.4%) in a public place, and 9 (10%) in other locations. Bystander CPR was performed in 17 (18.9%) cases. The presenting rhythm was VF in 2 (2.2%) cases, PEA in 54 (60%), and asystole in 34 (37.8%). Eight (8.9%) patients survived to hospital discharge. Respiratory failure (35.6%), unknown (15.6%), and pulmonary embolism (13.3%) were the most common etiologies. The mean percentage of arrests due to a non-cardiac cause in three sequential time-periods (1995-1999, 2000-2002, 2003-2005) was 9.4%, 20.1% and 37.7%, respectively. CONCLUSIONS: Over the study period, 21.7% of OHCAs were non-cardiac in origin. PEA was the most common presenting rhythm and respiratory failure the most common etiology. 8.9% of patients survived. The decreasing number of VF arrests may be a contributing factor to the increasing proportion of OHCAs of non-cardiac etiology observed in the out-of-hospital setting.
Erik P Hess; Ronna L Campbell; Roger D White
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Publication Detail:
Type:  Journal Article     Date:  2006-11-22
Journal Detail:
Title:  Resuscitation     Volume:  72     ISSN:  0300-9572     ISO Abbreviation:  Resuscitation     Publication Date:  2007 Feb 
Date Detail:
Created Date:  2007-01-15     Completed Date:  2007-11-13     Revised Date:  2009-08-25    
Medline Journal Info:
Nlm Unique ID:  0332173     Medline TA:  Resuscitation     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  200-6     Citation Subset:  IM    
Mayo Clinic College of Medicine, Rochester, MN, USA.
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MeSH Terms
Cardiopulmonary Resuscitation / statistics & numerical data*,  utilization*
Drowning / epidemiology*
Emergency Medical Services / trends
Middle Aged
Minnesota / epidemiology
Overdose / epidemiology*
Pulmonary Embolism / epidemiology*
Respiratory Insufficiency / epidemiology*
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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