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The impact of smartphone-dispatched CPR-trained volunteers on OHCA outcomes is influenced by patient age
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The impact of smartphone-dispatched CPR-trained volunteers on OHCA outcomes is influenced by patient age
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Journal Article
The impact of smartphone-dispatched CPR-trained volunteers on OHCA outcomes is influenced by patient age
2024
Overview
The early initiation of cardiopulmonary resuscitation (CPR) measures by non-professionals before the arrival of Emergency Medical Service (EMS) is known to be crucial for improving outcomes after out-of-hospital cardiac arrest (OHCA). We assessed the impact of deploying CPR-trained volunteers via a smartphone-based alerting system on the outcome of OHCA patients. In a retrospective nonrandomized cohort study, all OHCA cases in the city of Aachen over a six-year period were analysed. We compared patient data, CPR metrics, alerting system data as well as outcome data between the intervention and control groups. From June 2017 to May 2023, 101 out of 852 resuscitations were initiated by volunteers alerted via a smartphone-based alerting system in OHCA events. We found no overall rise in the return of spontaneous circulation (ROSC) rate. An age-dependent subgroup analysis indicated an increased incidence of initially shockable rhythms and an increased ROSC rate for patients younger than 60 years in the intervention group, while implying a lower ROSC rate in patients older than 80 years after mobile responder CPR. Although this study was underpowered to yield statistically significant results, our findings suggest the need for an age-sensitive approach when evaluating the effects of first-responder systems on OHCA cases.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 692/700
/ Adult
/ Aged
/ Cardiopulmonary resuscitation
/ Cardiopulmonary Resuscitation - methods
/ CPR
/ Female
/ Humanities and Social Sciences
/ Humans
/ Male
/ Out-of-hospital cardiac arrest
/ Out-of-Hospital Cardiac Arrest - epidemiology
/ Out-of-Hospital Cardiac Arrest - therapy
/ Patients
/ Science
