No apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia

Background: We examined the incidence, patient and arrest characteristics, and survival outcomes of out-of-hospital cardiac arrest (OHCA) in Western Australia (WA) in the first wave of the COVID-19 pandemic. Methods: Adult OHCA cases attended by St John WA Emergency Medical Service (EMS) between 16t...

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Autores principales: Milena Talikowska, Stephen Ball, Hideo Tohira, Paul Bailey, Dan Rose, Deon Brink, Janet Bray, Judith Finn
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Lenguaje:EN
Publicado: Elsevier 2021
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Acceso en línea:https://doaj.org/article/f7244c4ef9ad4f279292b9278c71b8af
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spelling oai:doaj.org-article:f7244c4ef9ad4f279292b9278c71b8af2021-11-26T04:41:03ZNo apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia2666-520410.1016/j.resplu.2021.100183https://doaj.org/article/f7244c4ef9ad4f279292b9278c71b8af2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666520421001089https://doaj.org/toc/2666-5204Background: We examined the incidence, patient and arrest characteristics, and survival outcomes of out-of-hospital cardiac arrest (OHCA) in Western Australia (WA) in the first wave of the COVID-19 pandemic. Methods: Adult OHCA cases attended by St John WA Emergency Medical Service (EMS) between 16th March and 17th May 2020 (‘COVID-19 period’) were compared with those for the same period in 2017-9. We calculated crude OHCA incidence for all OHCA cases and modelled the effect of the ‘COVID-19 period’ on 30-day survival for OHCA cases with EMS attempted resuscitation; comparing our results with those published for Victoria (Australia), which had a higher incidence of COVID-19. Results: In WA there was no significant difference between the 2020 ‘COVID-19 period’ (n = 423) and the same period in 2017-9 (n = 1,334) in the OHCA incidence in adults (117.9 vs 126.1 per 100,000 person-years, p = 0.23). In OHCA cases with EMS-resuscitation attempted, there was no change in bystander cardiopulmonary resuscitation rates. Despite an increase in EMS response time, neither the crude nor risk-adjusted odds ratio (aOR) for 30-day survival in 2020 was significantly different to 2017-9 (11.7% vs 9.6%; p = 0.45) (aOR = 1.19, 95% confidence interval 0.57-2.51, p = 0.65). This contrasts with a significant reduction in survival to hospital discharge reported in Victoria. Conclusion: In WA, with a relatively low incidence of COVID-19, OHCA incidence and survival was not significantly different during the initial wave of the COVID-19 pandemic compared to the three previous years. Our study suggests that OHCA survival may be more closely related to the incidence of COVID-19 in the community, rather than COVID-19 restrictions per se.Milena TalikowskaStephen BallHideo TohiraPaul BaileyDan RoseDeon BrinkJanet BrayJudith FinnElsevierarticleOut of hospital cardiac arrestCOVID-19IncidenceSurvivalSpecialties of internal medicineRC581-951ENResuscitation Plus, Vol 8, Iss , Pp 100183- (2021)
institution DOAJ
collection DOAJ
language EN
topic Out of hospital cardiac arrest
COVID-19
Incidence
Survival
Specialties of internal medicine
RC581-951
spellingShingle Out of hospital cardiac arrest
COVID-19
Incidence
Survival
Specialties of internal medicine
RC581-951
Milena Talikowska
Stephen Ball
Hideo Tohira
Paul Bailey
Dan Rose
Deon Brink
Janet Bray
Judith Finn
No apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia
description Background: We examined the incidence, patient and arrest characteristics, and survival outcomes of out-of-hospital cardiac arrest (OHCA) in Western Australia (WA) in the first wave of the COVID-19 pandemic. Methods: Adult OHCA cases attended by St John WA Emergency Medical Service (EMS) between 16th March and 17th May 2020 (‘COVID-19 period’) were compared with those for the same period in 2017-9. We calculated crude OHCA incidence for all OHCA cases and modelled the effect of the ‘COVID-19 period’ on 30-day survival for OHCA cases with EMS attempted resuscitation; comparing our results with those published for Victoria (Australia), which had a higher incidence of COVID-19. Results: In WA there was no significant difference between the 2020 ‘COVID-19 period’ (n = 423) and the same period in 2017-9 (n = 1,334) in the OHCA incidence in adults (117.9 vs 126.1 per 100,000 person-years, p = 0.23). In OHCA cases with EMS-resuscitation attempted, there was no change in bystander cardiopulmonary resuscitation rates. Despite an increase in EMS response time, neither the crude nor risk-adjusted odds ratio (aOR) for 30-day survival in 2020 was significantly different to 2017-9 (11.7% vs 9.6%; p = 0.45) (aOR = 1.19, 95% confidence interval 0.57-2.51, p = 0.65). This contrasts with a significant reduction in survival to hospital discharge reported in Victoria. Conclusion: In WA, with a relatively low incidence of COVID-19, OHCA incidence and survival was not significantly different during the initial wave of the COVID-19 pandemic compared to the three previous years. Our study suggests that OHCA survival may be more closely related to the incidence of COVID-19 in the community, rather than COVID-19 restrictions per se.
format article
author Milena Talikowska
Stephen Ball
Hideo Tohira
Paul Bailey
Dan Rose
Deon Brink
Janet Bray
Judith Finn
author_facet Milena Talikowska
Stephen Ball
Hideo Tohira
Paul Bailey
Dan Rose
Deon Brink
Janet Bray
Judith Finn
author_sort Milena Talikowska
title No apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia
title_short No apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia
title_full No apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia
title_fullStr No apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia
title_full_unstemmed No apparent effect of the COVID-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in Western Australia
title_sort no apparent effect of the covid-19 pandemic on out-of-hospital cardiac arrest incidence and outcome in western australia
publisher Elsevier
publishDate 2021
url https://doaj.org/article/f7244c4ef9ad4f279292b9278c71b8af
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