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J Korean Soc Emerg Med > Volume 27(6); 2016 > Article
Journal of The Korean Society of Emergency Medicine 2016;27(6): 556-563.
Comparison between an Instructor-led Course and Training Using a Voice Advisory Manikin in Initial Cardiopulmonary Resuscitation Skill Acquisition
Mun Ki Min1, Seok Ran Yeom2, Ji Ho Ryu1, Yong In Kim1, Maeng Real Park1, Sang Kyoon Han3, Seong Hwa Lee3, Sung Wook Park3, Soon Chang Park3
1Department of Emergency Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
2Pusan National University School of Medicine,Yangsan, Korea
3Pusan National University Hospital, Korea
Correspondence  Seok Ran Yeom ,Tel: 051-240-7503, Fax: 051-253-6472, Email: seokrany@yahoo.com,
Received: July 2, 2016; Revised: July 4, 2016   Accepted: August 9, 2016.  Published online: December 31, 2016.
We compared the outcomes of training between the use of voice-advisory manikin (VAM) and instructor-led (IL) courses with respect to the acquisition of initial cardio-pulmonary resuscitation (CPR) skills, as defined by the 2010 resuscitation guidelines.
This study was a randomized, controlled, blinded, parallel-group trial. We recruited 82 first-year emergency medical technician students and randomly distributed them into two groups: the IL group (n=41) and the VAM group (n=37). In the IL group, participants were trained in “single-rescuer, adult CPR” in accordance with the American Heart Association’s Basic Life Support course for healthcare providers. In the VAM group, all subjects received a 20-minute lesson about CPR. After the lesson, each student trained individually with the VAM for 1 hour, receiving real-time feedback. After the training, all subjects were evaluated as they performed basic CPR (30 compressions, 2 ventilations) for 4 minutes.
The proportion of participants with a mean compression depth ≥50 mm was 34.1% in the IL group and 27.0% in the VAM group, and the proportion with a mean compression depth ≥40 mm had increased significantly in both groups compared with ≥50 mm (IL group, 82.9%; VAM group, 86.5%). However, no significant differences were detected between the two groups in this regard. The proportion of ventilations of the appropriate volume was relatively low in both groups (IL group, 26.4%; VAM group, 12.5%; p=0.396).
Both methods the IL training using a practice-while-watching video and the VAM training facilitated initial CPR skill acquisition, especially in terms of correct chest compression.
Key words: Cardio-pulmonary resuscitation, Training, Voice advisory manikin
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