Document Detail

Time-dependent effectiveness of chest compression-only and conventional cardiopulmonary resuscitation for out-of-hospital cardiac arrest of cardiac origin.
MedLine Citation:
PMID:  21093974     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Little is known about the effect of the type of bystander-initiated cardiopulmonary resuscitation (CPR) for prolonged out-of-hospital cardiac arrest (OHCA).
OBJECTIVES: To evaluate the time-dependent effectiveness of chest compression-only and conventional CPR with rescue breathing for witnessed adult OHCA of cardiac origin.
METHODS: A nationwide, prospective, population-based, observational study of the whole population of Japan included consecutive OHCA patients with emergency responder resuscitation attempts from 1 January 2005 to 31 December 2007. Multiple logistic regression analysis was performed to assess the contribution of the bystander-initiated CPR technique to favourable neurological outcomes.
RESULTS: Among 55014 bystander-witnessed OHCA of cardiac origin, 12165 (22.1%) received chest compression-only CPR and 10851 (19.7%) received conventional CPR. For short-duration OHCA (0-15min after collapse), compression-only CPR had a higher rate of survival with favourable neurological outcome than no CPR (6.4% vs. 3.8%; adjusted odds ratio (OR), 1.55; 95% confidence interval (CI), 1.38-1.74), and conventional CPR showed similar effectiveness (7.1% vs. 3.8%; adjusted OR, 1.78; 95% CI, 1.58-2.01). For the long-duration arrests (>15min), conventional CPR showed a significantly higher rate of survival with favourable neurological outcome than both no CPR (2.0% vs. 0.7%; adjusted OR, 1.93; 95% CI, 1.27-2.93) and compression-only CPR (2.0% vs. 1.3%; adjusted OR, 1.56; 95% CI, 1.02-2.44).
CONCLUSIONS: For prolonged OHCA of cardiac origin, conventional CPR with rescue breathing provided incremental benefit compared with either no CPR or compression-only CPR, but the absolute survival was low regardless of type of CPR.
Tetsuhisa Kitamura; Taku Iwami; Takashi Kawamura; Ken Nagao; Hideharu Tanaka; Robert A Berg; Atsushi Hiraide;
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-11-19
Journal Detail:
Title:  Resuscitation     Volume:  82     ISSN:  1873-1570     ISO Abbreviation:  Resuscitation     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-01-10     Completed Date:  2011-05-17     Revised Date:  2011-06-09    
Medline Journal Info:
Nlm Unique ID:  0332173     Medline TA:  Resuscitation     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  3-9     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.
Kyoto University Health Service, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan.
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MeSH Terms
Emergency Medical Services / methods*
Follow-Up Studies
Heart Massage / methods*
Japan / epidemiology
Out-of-Hospital Cardiac Arrest / etiology,  mortality,  therapy*
Population Surveillance
Prospective Studies
Survival Rate / trends
Time Factors
Treatment Outcome
Comment In:
Resuscitation. 2011 May;82(5):633   [PMID:  21334799 ]
Resuscitation. 2011 Jan;82(1):1-2   [PMID:  21215377 ]

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