Document Detail

Incidence of ventricular fibrillation in patients with out-of-hospital cardiac arrest in Japan: survey of survivors after out-of-hospital cardiac arrest in Kanto area (SOS-KANTO).
MedLine Citation:
PMID:  16195609     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Although there is a close connection between emergency medical services (EMS) system and the outcome of out-of-hospital ventricular fibrillation (VF), few data are available regarding the situation in Japan. METHODS AND RESULTS: A prospective multicenter study of out-of-hospital cardiac arrest was conducted according to the Utstein guidelines. A total of 4,383 patients who were given cardiopulmonary resuscitation (CPR) by EMS personnel for out-of-hospital cardiac arrest were enrolled. The proportion of VF or pulseless ventricular tachycardia (VT) as the first cardiac rhythm after cardiac arrest was 16.2% with a mean call-to-initial-recorded-electrocardiogram (ECG) interval of 11.1 min. In a subgroup of patients with witnessed collapse, the predicted incidence of VF or pulseless VT was 62.7% at the time of cardiac arrest, and the decline accelerated with every minute that the collapse-to-initial ECG interval was delayed. Multivariate analysis showed that the odds ratio for VF or pulseless VT after collapse-to-initial ECG interval was 0.91 (95% confidence interval (CI), 0.89-0.94, p<0.001), and 1.54 (95%CI, 1.24-1.97, p<0.001) after bystander CPR. CONCLUSIONS: In Japan, VF occurred in 63% of cases at the time of cardiac arrest and the performance of bystander CPR appeared to prolong VF.
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Publication Detail:
Type:  Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Circulation journal : official journal of the Japanese Circulation Society     Volume:  69     ISSN:  1346-9843     ISO Abbreviation:  Circ. J.     Publication Date:  2005 Oct 
Date Detail:
Created Date:  2005-09-30     Completed Date:  2005-12-09     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101137683     Medline TA:  Circ J     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  1157-62     Citation Subset:  IM    
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MeSH Terms
Aged, 80 and over
Cardiopulmonary Resuscitation* / methods
Data Collection / methods
Heart Arrest* / mortality
Middle Aged
Ventricular Fibrillation* / mortality

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