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Outcomes of out-of-hospital cardiac arrest in Ireland 2012-2020: Protocol for an observational study

Tomás Barry1, Alice Kasemiire2, Martin Quinn3

  • 1UCD School of Medicine, University College Dublin, Dublin, Leinster, D04 V1W8, Ireland.

HRB Open Research
|September 4, 2023
PubMed

Insights

Out-of-hospital cardiac arrest survival in Ireland remains low. This study analyzes trends from 2012-2020 to identify predictors of bystander CPR, defibrillation, and survival, assessing the impact of health system developments.

Area of Science:

  • Emergency Medicine
  • Public Health
  • Cardiovascular Research

Background:

  • Out-of-hospital cardiac arrest (OHCA) is a significant cause of preventable death in Ireland, with survival rates lower than the European average.
  • The Irish Out-of-Hospital Cardiac Registry (OHCAR) collects data on OHCA events where emergency services attempted resuscitation.
  • The period 2012-2020 saw several Irish health system developments relevant to OHCA care.

Purpose of the Study:

  • To summarize key trends in OHCA incidence, care, and outcomes in Ireland from 2012-2020 using OHCAR data.
  • To model predictors of bystander CPR, bystander defibrillation, and survival to hospital discharge.
  • To investigate if health system developments influenced OHCA care processes and survival rates.

Main Methods:

  • Observational study utilizing prospectively gathered OHCAR data from 2012-2020.
  • Descriptive summaries and graphical displays to evaluate key trends in OHCA data.
  • Multivariable logistic regression to model predictors and assess the impact of system developments and the COVID-19 pandemic on outcomes.

Main Results:

  • Analysis of temporal trends in OHCA incidence, bystander interventions, and survival.
  • Identification of key predictors for bystander CPR, bystander defibrillation, and survival to hospital discharge.
  • Evaluation of the association between health system developments and changes in OHCA outcomes.

Conclusions:

  • Understanding temporal trends in OHCA care and outcomes is crucial for improving survival rates.
  • Findings will inform optimization of future health system developments for OHCA management in Ireland and internationally.
  • The study provides insights into the effectiveness of interventions and system changes on OHCA survival.
Abstract

Keywords:
emergency medical servicesobservational researchout-of-hospital cardiac arrestprehospital emergency careregistry dataresuscitation

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