• Kim Jong Won JW From the Department of Emergency Medicine (J.W.K., K.R.L., D.Y.H., K.J.B., S.O.P.), School of Medicine, Konkuk University, Konkuk University Medical Cente, Jeong Hun Lee, Kyeong Ryong Lee, Dae Young Hong, Kwang Je Baek, and Sang O Park.
• From the Department of Emergency Medicine (J.W.K., K.R.L., D.Y.H., K.J.B., S.O.P.), School of Medicine, Konkuk University, Konkuk University Medical Center; and Department of Emergency Medicine (J.H.L.), College of Medicine, Dongguk University, Seoul, Republic of Korea.
• Simul Healthc. 2016 Aug 1; 11 (4): 250-6.

IntroductionThis study investigated the effect of increasing numbers of training sessions in cardiopulmonary resuscitation (CPR) on trainees' attitude and CPR quality.MethodsCardiopulmonary resuscitation training for hospital employees was held every year from 2006 to 2010. Participants were recruited among the trainees in 2010. The trainees' attitudes toward CPR were surveyed by questionnaire, and the quality of their CPR was measured using 5-cycle 30:2 CPR on a manikin. Participants were categorized according to the number of consecutive CPR training sessions as T1 (only 2010), T2 (2009 and 2010), T3 (from 2008 to 2010) and T4-5 (from 2006 or 2007 to 2010). The trainee attitude and CPR quality were compared among the 4 groups.ResultsOf 923 CPR trainees, 267 were enrolled in the study. There was significant increase in willingness to start CPR and confidence in chest compression and mouth-to-mouth ventilation (MTMV) with increasing number of CPR training sessions attended (especially for ≥ 3 sessions). There was a significant increase in mean compression depth and decrease in percentage of chest compressions with depth of less than 38 mm in the T3 and T4-5 compared with the T1 and T2. No-flow time decreased significantly, and the percentage of MTMV with visible chest rise increased, as the number of training sessions increased.ConclusionsRepeated CPR training improved trainees' attitude and CPR quality. Because the number of training sessions increased (≥3), the willingness to start CPR and the confidence in skills increased significantly, and chest compression depth, no-flow time, and MTMV improved.

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