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J Korean Soc Emerg Med > Volume 31(3); 2020 > Article
Journal of The Korean Society of Emergency Medicine 2020;31(3): 259-266.
영상통화를 이용한 일반인의 자동제세동기 사용지도 효과: 시뮬레이션 연구
박민규1, 조영석1 , 조규종1, 이진혁1, 지현경2, 한송이2
1한림의대 강동성심병원 응급의학과
2백석대학교 응급구조학과
Feasibility study of mobile video call guidance for laypersons’ automated external defibrillator use: a randomized simulation study
Mingyu Park1, Youngsuk Cho1 , Gyu Chong Cho1, Jinhyuck Lee1, Hyunkyung Ji2, Songyi Han2
1Department of Emergency Medicine, Hallym University Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
2Department of Emergency Medical Technology, Baekseok University, Cheonan, Korea
Correspondence  Youngsuk Cho ,Tel: 02-2224-2595, Fax: 02-488-0119, Email: faith2love@hanmail.net,
Received: July 18, 2019; Revised: October 7, 2019   Accepted: November 1, 2019.  Published online: June 25, 2020.
The incidence of bystander cardiopulmonary resuscitation in out-of-hospital cardiac arrest has increased rapidly over the past 10 years. On the other hand, automated external defibrillators (AEDs) are still only used in a minority of cases. This study investigated the feasibility of mobile video call guidance to facilitate AED use for laypeople.
Ninety laypersons were randomized into three groups: mobile video call guided, voice call guided, and nonguided. The participants were exposed to a simulated cardiac arrest requiring AED use and guided by video call, voice call, or not. The simulation experiments were saved as a video clip, and other researchers blinded to simulation assessed the performance according to a prespecified checklist after the simulations. The performance score and analyzed time intervals from AED arrival to defibrillation in the three groups were compared.
The basic characteristics were similar in the three groups. Performance scores in the checklist for using AEDs were higher in the mobile video call guided group, particularly in a category of ‘power on AED’ and ‘correctly attaches pads’ than non-guided groups. The performance scores in the category of ‘safely delivers a shock and resume compression’ were also higher in the mobile video call group. On the other hand, the time interval to defibrillation was significantly longer in the mobile video call group.
This study showed that mobile video call guidance might be an alternative method for laypeople to facilitate AED use, but further well-designed research will be needed.
Key words: Cardiopulmonary resuscitation; Defibrillation; Smartphone
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