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영상통화를 이용한 일반인의 자동제세동기 사용지도 효과: 시뮬레이션 연구

Feasibility study of mobile video call guidance for laypersons’ automated external defibrillator use: a randomized simulation study

대한응급의학회지 2020년 31권 3호 p.259 ~ 266
박민규 ( Park Min-Gyu ) - Hallym University College of Medicine Hallym University Kangdong Sacred Heart Hospital Department of Emergency Medicine

조영숙 ( Cho Young-Suk ) - Hallym University College of Medicine Hallym University Kangdong Sacred Heart Hospital Department of Emergency Medicine
조규종 ( Cho Gyu-Chong ) - Hallym University College of Medicine Hallym University Kangdong Sacred Heart Hospital Department of Emergency Medicine
이진혁 ( Lee Jin-hyuck ) - Hallym University College of Medicine Hallym University Kangdong Sacred Heart Hospital Department of Emergency Medicine
지현경 ( Ji Hyun-Kyung ) - Baekseok University Department of Emergency Medical Technology
한송이 ( Han Song-Yi ) - Baekseok University Department of Emergency Medical Technology

Abstract


Objective: 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.

Method: 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.

Results: 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.

Conclusion: 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.

키워드

Cardiopulmonary resuscitation; Defibrillation; Smartphone
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