Abstract 295: Improving Response to Out-Of-Hospital Cardiac Arrest: Verified Responder Pilot Program

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Background: Survival following out-of-hospital cardiac arrest (OHCA) decreases as the interval from collapse to CPR and defibrillation increases. Most OHCA events occur in private locations. Innovative approaches are needed to reduce response interval, especially into private locations. Methods: We undertook the Verified Responder Program in 5 United States communities during calendar year 2018, whereby off-duty EMS professionals volunteered and were equipped with Philips automated external defibrillators (AEDs). Volunteers were alerted using a geospatial smartphone application (PulsePoint) integrated with 9-1-1 dispatch to respond to nearby private and public suspected OHCA. The prospective study evaluated the frequency of verified responder alert, response, scene arrival, and initial care for OHCA occurring prior to EMS arrival. The investigation surveyed responder experience using a 5 point Likert scale. OHCA surveillance was assessed using the CARES registry. Results: The Verified Responder Program involved 593 volunteers equipped with 550 AEDs drawn from 5 EMS agencies covering a population of 1.3 million persons (Table 1). Of the 660 eligible OHCA events (483 private, 177 public), verified responders were alerted in 9.4% (n=62) of events. Among the 483 in a private location, responders were alerted in 10.4% (n=50), responded in 2.1% (n=10), arrived on scene in 1.7% (n=8), and provided initial care in 1.5% (n=7). Among the 177 in a public location, responders were alerted in 6.8% (n=12), responded in 3.4% (n=6), arrived on scene in 2.8% (n=5), and provided initial care in 1.1% (n=2). Overall, responders reported a highly favorable experience (4.5/5). None reported an adverse event. Conclusions: In this initial US-based experience of smartphone alert program for suspected OHCA in private or public locations, volunteer experiences were uniformly favorable. Volunteers were alerted, responded, and involved in a small fraction of OHCA.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.