Fatigue can influence the quality of continuous chest compression cardiopulmonary resuscitation (CCC-CPR). This study was conducted to compare the effect of ‘rescuer’ rotating time on the quality of chest compressions at 1-minute and 2-minute intervals.
The present semi-experimental study was conducted on 70 non-professional ‘rescuers’ as 35 two-person teams using a crossover design. All teams performed eight 2-minute cycles of CCC-CPR with a rotation of 1 minute and 2 minutes. Quality metrics of the chest compression rate, appropriate depth of compression, and total rate of compressions at the end of eight 2-minute cycles were used to assess the quality of the chest compressions.
The study results showed that the number of chest compressions with an adequate depth performed by the non-professional rescuers in the 1- and 2-minute scenarios wererespectively 118.18 and 100.87. There was no significant difference in the number of chest compressions between the two scenarios at the end of the CCC-CPR, but the number of compressions with sufficient depth in the 1-minute scenario was better than that in the 2-minute scenario.
The study showed that although the rate of chest compression had a downward trend in the 1-minute scenario, rescuers maintained 100 to 120 chest compressions after 16 minutes. This means that non-professional rescuers replacement after 1 minute can increase chest compression with sufficient depth.
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