How effective is extracorporeal cardiopulmonary resuscitation (ECPR) for out-of-hospital cardiac arrest? A systematic review and meta-analysis

Jessica Downing, Reem Al Falasi, Stephanie Cardona, Matthew Fairchild, Bobbi Lowie, Caleb Chan, Elizabeth Powell, Ali Pourmand, Quincy K. Tran

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

Background: Extracorporeal cardiopulmonary resuscitation (ECPR) has gained increasing as a promising but resource-intensive intervention for out-of-hospital cardiac arrest (OHCA). There is little data to quantify the impact of this intervention and the patients likely to benefit from its use. We conducted a meta-analysis of the literature to assess the survival benefit associated with ECPR for OHCA. Methods: We searched PubMed, Embase, and Scopus databases to identify relevant observational studies and randomized control trials. We used the Newcastle-Ottawa Scale and Cochrane risk-of-bias tool to assess studies' quality. We performed random-effects meta-analysis for the primary outcome of survival to hospital discharge and used meta-regressions to assess heterogeneity. Results: We identified 1287 articles, reviewed the full text of 209 and included 44 in our meta-analysis. Our analysis included 3097 patients with OHCA. Patients' mean age was 52, 79% were male, and 60% had primary ventricular fibrillation/ventricular tachycardia arrest. We identified a survival-to-discharge rate of 24%; 18% survived with favorable neurologic function. 30- and 90-days survival rates were both around 18%. The majority of included articles were high quality studies. Conclusions: Extracorporeal cardiopulmonary resuscitation is a promising but resource-intensive intervention that may increase rates of survival to hospital discharge among patients who experience OHCA.

Original languageEnglish
Pages (from-to)127-138
Number of pages12
JournalAmerican Journal of Emergency Medicine
Volume51
DOIs
StatePublished - Jan 2022
Externally publishedYes

Keywords

  • ECPR
  • Extracorporeal cardiopulmonary resuscitation
  • OHCA
  • Out-of-hospital cardiac arrest
  • VA-ECMO
  • Venoarterial extracorporeal membrane oxygenation

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