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Gross, Benedict; Schanderl, Florian; Staedt, Nele and Elsner, Christian (2019): App-basierte Systeme zur Ersthelferalarmierung. Stand der Verbreitung in Deutschland, Evidenz und Herausforderungen bei der Einführung. In: Notfall & Rettungsmedizin, Vol. 22, No. 6: pp. 483-491

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Background For cardiac arrest patients, the therapy-free interval until the onset of cardiopulmonary resuscitation (CPR) has a crucial impact on outcome. When bystanders start CPR, they bridge the time until emergency medical services arrive and considerably enhance the patient's prognosis. As nearly all of the German population is equipped with smartphones, new possibilities arise for the activation of volunteer first responders. Objectives Currently several initiatives in Germany are engaged in implementation projects for the smartphone-based activation of first responders. This study aims at determining the status quo of implementation and lessons learned: How common is the use of such systems throughout German dispatch centers? What obstacles do they encounter during the implementation? Materials and methods 217 active emergency medical dispatch centers have been identified in Germany. They were invited to participate in an online survey and qualitative interviews. Results The online survey resulted in a response rate of 37.79% (n = 82) and 10 consequent in-depth interviews were conducted. In all, 31 German dispatch centers have been identified as currently engaged in smartphone-based activation systems. As of January 2018, 12 of them were categorized as actively running systems, 11 were in the planning stage, and 8 were in early stages of planning or in the process of selecting a system. Conclusions There is clear evidence in the literature suggesting the benefit of systems for activating first responders in order to shorten the therapy-free interval. Currently several emergency medical dispatch centers in Germany are evaluating or implementing such systems. Challenges and concerns regarding such projects seem to be similar. The currently running systems demonstrate that those obstacles are generally manageable.

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