Document Detail

Alternating providers during continuous chest compressions for cardiac arrest: every minute or every two minutes?
MedLine Citation:
PMID:  19576676     Owner:  NLM     Status:  MEDLINE    
Studies have shown that the quality of chest compressions for cardiac arrest decreases markedly after only a brief time. This is thought to be an important contributor to an adverse outcome of resuscitation, which has led to recommendations to alternate chest compression providers. This study compared alternating rescuers every 1 min versus every 2 min in a manikin simulation. Forty pairs of rescuers were randomly assigned to either scenario. The main outcome measure was the number of effective compressions. The results were analysed using one-way analysis of variance. Over the full 8 min, no significant difference was found in the number of effective chest compressions (p=0.707). Furthermore, no significant difference was found when comparing each 2 min block. An explanation for this may be that the compressions lost due to fatigue in the 2 min scenario are approximately offset by compressions lost due to the practicalities of changing over. Power calculations with these results show that an unfeasibly large number of scenarios would be needed to definitively demonstrate the superiority of one of the scenarios. It seems reasonable to alternate chest compression providers every 2 min, to prevent the loss of effective compressions due to fatigue and to minimise interruptions of chest compressions. The ideal time to do this would be during the rhythm and pulse check as dictated by current guidelines.
Sander Manders; Femke E C Geijsel
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Publication Detail:
Type:  Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial     Date:  2009-07-02
Journal Detail:
Title:  Resuscitation     Volume:  80     ISSN:  1873-1570     ISO Abbreviation:  Resuscitation     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-08-17     Completed Date:  2009-11-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0332173     Medline TA:  Resuscitation     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  1015-8     Citation Subset:  IM    
Emergency Department, Royal Prince Alfred Hospital, Missenden Road, Camperdown NSW 2050, Sydney, Australia.
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MeSH Terms
Cardiopulmonary Resuscitation / education,  methods*,  nursing
Education, Nursing / methods*
Heart Arrest / therapy*
Quality of Health Care*
Respiration, Artificial / methods*,  standards
Retrospective Studies
Time Factors

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

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