Cardiac arrest & resuscitation

In-hospital extracorporeal cardiopulmonary resuscitation for patients with out-of-hospital cardiac arrest: an analysis by time-dependent propensity score matching using a nationwide database in Japan

Crit CarePublished Secondary analysis of the JAAM-OHCA registry

Authors' conclusion

ECPR was associated with increased 30-day survival in patients with OHCA with initial shockable and even non-shockable rhythms.

Study context

Population
Adults (≥ 18 years) with out-of-hospital cardiac arrest (OHCA), JAAM-OHCA registry, Japan, June 2014–December 2019registry
Participants
57,754 adults
Comparison
Extracorporeal cardiopulmonary resuscitation (ECPR) vs control, by initial rhythm
  • ECPR (shockable)n = 913
  • Control (shockable)n = 913reference
  • ECPR (non-shockable)n = 370
  • Control (non-shockable)n = 370reference
Primary endpoint
30-day survival
Follow-up
30 days
Methodological detailsnationwide multicentre prospective registry, time-dependent propensity-score matched (risk-set matching)
  • Nationwide multicentre prospective registry
  • Time-dependent propensity-score matched (risk-set matching)

Primary result

As reported in the abstract

ECPR vs ControlOR for 30-day survival (95% CI)
Shockable rhythm
1.76(1.38–2.25)
Non-shockable rhythm
5.37(2.53–11.43)

Further findings

OutcomeOR (95% CI)
30-day favorable neurological outcome · 30 daysECPR (shockable) vs Control (shockable) · shockable rhythm · matched cohorts1.11 (0.82–1.49)
30-day favorable neurological outcome · 30 daysECPR (non-shockable) vs Control (non-shockable) · non-shockable rhythm · matched cohorts4.25 (1.43–12.63)

Original publication

In-hospital extracorporeal cardiopulmonary resuscitation for patients with out-of-hospital cardiac arrest: an analysis by time-dependent propensity score matching using a nationwide database in Japan. Crit Care. Published 15 November 2023. doi:10.1186/s13054-023-04732-y

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