Abstract

Objective To evaluate the effect of using metronome to guide compression in the new nurse training of cardiopulmonary resuscitation (CPR). Methods From 2015 to 2016, 385 new nurses were enrolled and randomly by random number table divided into four groups based on Solomon four-group design:control group 1(96 nurses), sudy group 1(89 nurses), control group 2(104 nurses) and study group 2(96 nurses), Control group 1 and control group 2 accepted normal training plus chest compressions operation formula training, study group 1 and study group 2 got metronome guiding based on the frequency training.Control group 1 and study group 1 took a baseline test before the training started, while control group 2 and study group 2 didn’t.Four groups took part in an operational test after the seven days of training. Results There was no statistical difference between the baseline test scores of control group 1 and study group 1(P>0.05).After the training, the score of study group 1 was 93.4±3.5, which was significantly higher than 91.6±4.7 of control group 1(t=-2.870, P 0.05).Meanwhile, after training, study group 2 scores was 93.5±3.5, which was statistically higher than 92.1±4.0 of control group 2(t=2.670, P=0.008). Control group 1 were combined with control 2 to form control group,as well as study group 1 with study group 2 to form study group.A comparison between these two new groups indicates that the new study group surpasses the new control group with lower error frequencies in the position, depth and frequency of external cardiac compression (t=4.701 8, 12.488 9, 11.993 9, P 0.05). Conclusions In the CPR training of new nurses, using a 100 times/min metronome can help new nurses grasp the accurate compression rates and depth, improve the overall quality of this procedure, making it a simple and effective training method, which is worthy of popularization. Key words: Metronome; Cardiopulmonary resuscitation; Solomon four-group design; New entry nurses; Standardized training

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