Abstract:
OBJECTIVES:To assess how the quality of metronome-guided cardiopulmonary resuscitation (CPR) was affected by the chest compression rate familiarised by training before the performance and to determine a possible mechanism for any effect shown. DESIGN:Prospective crossover trial of a simulated, one-person, chest-compression-only CPR. SETTING:Participants were recruited from a medical school and two paramedic schools of South Korea. PARTICIPANTS:42 senior students of a medical school and two paramedic schools were enrolled but five dropped out due to physical restraints. INTERVENTION:Senior medical and paramedic students performed 1 min of metronome-guided CPR with chest compressions only at a speed of 120 compressions/min after training for chest compression with three different rates (100, 120 and 140 compressions/min). Friedman's test was used to compare average compression depths based on the different rates used during training. RESULTS:Average compression depths were significantly different according to the rate used in training (p<0.001). A post hoc analysis showed that average compression depths were significantly different between trials after training at a speed of 100 compressions/min and those at speeds of 120 and 140 compressions/min (both p<0.001). CONCLUSIONS:The depth of chest compression during metronome-guided CPR is affected by the relative difference between the rate of metronome guidance and the chest compression rate practised in previous training.
journal_name
BMJ Openjournal_title
BMJ openauthors
Bae J,Chung TN,Je SMdoi
10.1136/bmjopen-2015-010873subject
Has Abstractpub_date
2016-02-12 00:00:00pages
e010873issue
2issn
2044-6055pii
bmjopen-2015-010873journal_volume
6pub_type
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