KMID : 0385920200310030259
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Journal of the Korean Society of Emergency Medicine 2020 Volume.31 No. 3 p.259 ~ p.266
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Feasibility study of mobile video call guidance for laypersons¡¯ automated external defibrillator use: a randomized simulation study
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Park Min-Gyu
Cho Young-Suk Cho Gyu-Chong Lee Jin-Hyuck Ji Hyun-Kyung Han Song-Yi
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Abstract
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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.
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KEYWORD
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Cardiopulmonary resuscitation, Defibrillation, Smartphone
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