Smartphone-activated volunteer responders and bystander defibrillation for out-of-hospital cardiac arrest in private homes and public locations
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Smartphone-activated volunteer responders and bystander defibrillation for out-of-hospital cardiac arrest in private homes and public locations. / Andelius, Linn; Hansen, Carolina Malta; Jonsson, Martin; Gerds, Thomas A.; Rajan, Shahzleen; Torp-Pedersen, Christian; Claesson, Andreas; Lippert, Freddy; Tofte Gregers, Mads Chr; Berglund, Ellinor; Gislason, Gunnar H.; Køber, Lars; Hollenberg, Jacob; Ringh, Mattias; Folke, Fredrik.
In: European Heart Journal: Acute Cardiovascular Care, Vol. 12, No. 2, 2023, p. 87-95.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Smartphone-activated volunteer responders and bystander defibrillation for out-of-hospital cardiac arrest in private homes and public locations
AU - Andelius, Linn
AU - Hansen, Carolina Malta
AU - Jonsson, Martin
AU - Gerds, Thomas A.
AU - Rajan, Shahzleen
AU - Torp-Pedersen, Christian
AU - Claesson, Andreas
AU - Lippert, Freddy
AU - Tofte Gregers, Mads Chr
AU - Berglund, Ellinor
AU - Gislason, Gunnar H.
AU - Køber, Lars
AU - Hollenberg, Jacob
AU - Ringh, Mattias
AU - Folke, Fredrik
N1 - Publisher Copyright: © The Author(s) 2023.
PY - 2023
Y1 - 2023
N2 - Aims To investigate the association between the arrival of smartphone-activated volunteer responders before the Emergency Medical Services (EMS) and bystander defibrillation in out-of-hospital cardiac arrest (OHCA) at home and public locations. Methods and results This is a retrospective study (1 September 2017–14 May 2019) from the Stockholm Region of Sweden and the Capital Region of Denmark. We included 1271 OHCAs, of which 1029 (81.0%) occurred in private homes and 242 (19.0%) in public locations. The main outcome was bystander defibrillation. At least one volunteer responder arrived before EMS in 381 (37.0%) of OHCAs at home and 84 (34.7%) in public. More patients received bystander defibrillation when a volunteer responder arrived before EMS at home (15.5 vs. 2.2%, P < 0.001) and in public locations (32.1 vs. 19.6%, P = 0.030). Similar results were found among the 361 patients with an initial shockable heart rhythm (52.7 vs. 11.5%, P < 0.001 at home and 60.0 vs. 37.8%, P = 0.025 in public). The standardized probability of receiving bystander defibrillation increased with longer EMS response times in private homes. The 30-day survival was not significantly higher when volunteer responders arrived before EMS (9.2 vs. 7.7% in private homes, P = 0.41; and 40.5 vs. 35.4% in public locations, P = 0.44). Conclusion Bystander defibrillation was significantly more common in private homes and public locations when a volunteer responder arrived before the EMS. The standardized probability of bystander defibrillation increased with longer EMS response times in private homes. Our findings support the activation of volunteer responders and suggest that volunteer responders could increase bystander defibrillation, particularly in private homes.
AB - Aims To investigate the association between the arrival of smartphone-activated volunteer responders before the Emergency Medical Services (EMS) and bystander defibrillation in out-of-hospital cardiac arrest (OHCA) at home and public locations. Methods and results This is a retrospective study (1 September 2017–14 May 2019) from the Stockholm Region of Sweden and the Capital Region of Denmark. We included 1271 OHCAs, of which 1029 (81.0%) occurred in private homes and 242 (19.0%) in public locations. The main outcome was bystander defibrillation. At least one volunteer responder arrived before EMS in 381 (37.0%) of OHCAs at home and 84 (34.7%) in public. More patients received bystander defibrillation when a volunteer responder arrived before EMS at home (15.5 vs. 2.2%, P < 0.001) and in public locations (32.1 vs. 19.6%, P = 0.030). Similar results were found among the 361 patients with an initial shockable heart rhythm (52.7 vs. 11.5%, P < 0.001 at home and 60.0 vs. 37.8%, P = 0.025 in public). The standardized probability of receiving bystander defibrillation increased with longer EMS response times in private homes. The 30-day survival was not significantly higher when volunteer responders arrived before EMS (9.2 vs. 7.7% in private homes, P = 0.41; and 40.5 vs. 35.4% in public locations, P = 0.44). Conclusion Bystander defibrillation was significantly more common in private homes and public locations when a volunteer responder arrived before the EMS. The standardized probability of bystander defibrillation increased with longer EMS response times in private homes. Our findings support the activation of volunteer responders and suggest that volunteer responders could increase bystander defibrillation, particularly in private homes.
KW - AED
KW - CPR
KW - dispatch
KW - OHCA
KW - responder app
U2 - 10.1093/ehjacc/zuac165
DO - 10.1093/ehjacc/zuac165
M3 - Journal article
C2 - 36574433
AN - SCOPUS:85164543661
VL - 12
SP - 87
EP - 95
JO - European Heart Journal: Acute Cardiovascular Care
JF - European Heart Journal: Acute Cardiovascular Care
SN - 2048-8726
IS - 2
ER -
ID: 366983035