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- W4252896834 abstract "Abstract Background Early defibrillation is critical for the chance of survival in in out-of-hospital cardiac arrest (OHCA). Drones, used to deliver automated external defibrillators (AEDs), may shorten time to defibrillation, but this has never been evaluated in real-life emergencies. Purpose The aim of this study was to investigate the feasibility of AED-delivery by drones in real-life cases of OHCA. Methods In this prospective clinical trial, three AED-equipped drones were placed within controlled airspace in Sweden, covering approximately 80,000 inhabitants (125km2). Drones were integrated in the emergency medical services for automated deployment in beyond-visual-line-of-sight flights in; a) consecutive real-life suspected OHCAs b) test-flights from 06–01–20 to 09–30–20. Primary outcome was the proportion of successful AED-deliveries when drones were dispatched in cases of suspected OHCA. Among secondary outcomes were the proportion of cases where AED-drones arrived prior to ambulance and time benefit vs. ambulance. Results Totally 14 cases were eligible for dispatch during the study period in which AED-drones took off in 12 alerts to suspected OHCA; with a median distance to location 3,1 km (IQR:2,8–3,4). AED-delivery was feasible within 9 meters (IQR:7,5–10,5) from the location and successful in 11 alerts, 92%. AED-drones arrived prior to ambulances in 64%, with a median time benefit of 01:52 minutes (IQR:01:35–04:54). In an additional 61 test-flights the AED-delivery success rate was 90% (55/61). Conclusion In this pilot study, we have shown that AED-delivery by drones in real-life cases of OHCA is feasible with a substantial time benefit and a successful delivery rate of 92%. Further technological improvements are needed to increase dispatch rate and time gains. Funding Acknowledgement Type of funding sources: Foundation. Main funding source(s): Swedish heart-lung foundation" @default.
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- W4252896834 date "2021-10-01" @default.
- W4252896834 modified "2023-10-07" @default.
- W4252896834 title "Automated external defibrillators delivered by drones to patients with suspected out-of-hospital cardiac arrest" @default.
- W4252896834 doi "https://doi.org/10.1093/eurheartj/ehab724.0656" @default.
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