نبذة مختصرة : International audience ; BACKGROUND:Early action by bystanders is particularly important for the survival of victims, especially in cases of cardiac arrest or airway obstruction. However, few bystanders are willing to perform cardiopulmonary resuscitation (CPR). The use of a live video during emergency calls appears to have a positive effect on the number of CPR performed by bystanders.OBJECTIVE:The objective is to propose and evaluate the relevance of a Living Lab methodology for simulated life-threatening emergency video call situations.METHODS:The first study aimed at analyzing the process of dealing with out-of-hospital cardiac arrest (OHCA) in an dispatch center and at collecting the needs of the dispatchers. The second study is a pre-test of the Living Lab. The third study is the Living-Lab in which 16 situations of cardiac arrest and airway obstruction are simulated. The simulation includes both a live video and a transmission of a video demonstration of emergency procedures. The measures focus on three areas: the impact of video tools, the development of collaboration within the community, and the evaluation of the method.RESULTS:The first results show that dispatchers have an interest in visualizing the scene with live video, and in broadcasting a live demonstration video when possible. Initial results also show that collaboration within the community is enhanced by the shared simulation and debriefing experiences, clarifying regulation procedures and improving communication. Finally, an iterative development based on the lessons learned, expectations and constraints of each previous study, promotes the existence of a Living Lab aiming at determining the place of live video tools in the sequence of care performed by the dispatchers.CONCLUSIONS:The Living Lab offers the opportunity to grasp previously undetected insights and to refine the use of the applications while potentially developing a sense of community among the stakeholders.
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