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Nationwide Improvements in Survival From Out-of-Hospital Cardiac Arrest in Japan.
MedLine Citation:
PMID:  23035209     Owner:  NLM     Status:  Publisher    
BACKGROUND: Little is known about the nationwide trend in the survival of out-of-hospital cardiac arrest (OHCA) in Japan and the differences in incidence and survival by age group and origin of arrest. METHODS AND RESULTS: A nationwide, prospective, population-based observation covering the whole population of Japan and involving consecutive OHCA patients with resuscitation attempts has been conducted from January 2005 to December 2009. The main outcome measure was one-month survival with favorable neurological outcome. The nationwide trend in OHCA incidence and outcome by age and origin were assessed. Multiple logistic regression analysis for bystander-witnessed OHCA was used to adjust for factors that were potentially associated with favorable neurological outcome. During 5-years, 547,153 overall OHCAs and 169,360 bystander-witnessed OHCAs were enrolled. The annual incidence significantly increased among overall OHCAs and bystander-witnessed OHCAs. Neurologically favorable survival significantly increased from 1.6% (1676/102,737) in 2005 to 2.8% (3280/115,250) in 2009 (P<0.001), from 2.1% (638/30,556) to 4.3% (1558/36,361) (P<0.001), from 9.8% (437/4461) to 20.6% (1215/5906) (P<0.001) among overall OHCA, bystander-witnessed OHCA, and bystander-witnessed ventricular fibrillation OHCA, respectively. Public-access automated external defibrillator use, either bystander-initiated chest compression-only cardiopulmonary resuscitation (CPR) or conventional CPR, and earlier EMS response time were associated with a better neurological outcome. Favorable neurological outcome among adult OHCAs significantly improved, but the outcome among younger children and very elderly did not improve and was dismal irrespective of origin of OHCA. CONCLUSIONS: The nationwide improvements of favorable neurological outcome from OHCA were observed in Japan, and differed by age group and origin of OHCA.
Tetsuhisa Kitamura; Taku Iwami; Takashi Kawamura; Masahiko Nitta; Ken Nagao; Hiroshi Nonogi; Naohiro Yonemoto; Takeshi Kimura
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-3
Journal Detail:
Title:  Circulation     Volume:  -     ISSN:  1524-4539     ISO Abbreviation:  Circulation     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0147763     Medline TA:  Circulation     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1 Kyoto University Health Service, Kyoto, Japan;
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