Cardiac arrest & resuscitation

Sex differences in extracorporeal cardiopulmonary resuscitation for out-of-hospital cardiac arrest: nationwide multicenter retrospective study in Japan

Crit CarePublished Secondary analysis of the SAVE-J II registry

Primary result · Favorable neurological outcome (CPC 1 or 2) at hospital dischargeResult — go to the resultAdjusted odds ratio 1.60 95% CI 1.05–2.43

Authors' conclusion

The female sex is significantly associated with favorable neurological outcomes at hospital discharge in patients who received ECPR for OHCA.

Study context

Population
Adults without external causes who underwent extracorporeal cardiopulmonary resuscitation (ECPR) for out-of-hospital cardiac arrest (OHCA), Japan, 2013–2018
Participants
1,819 adults
Comparison
Women vs men undergoing ECPR for OHCA
  • Womenn = 296
  • Menn = 1,523reference
Primary endpoint
Favorable neurological outcome (Cerebral Performance Status 1 or 2)
Follow-up
Hospital discharge
Methodological detailsretrospective multicentre study, nationwide, multilevel logistic regression
  • Retrospective multicentre study
  • Nationwide
  • Multilevel logistic regression

Primary result

As reported in the abstract

Favorable neurological outcome (CPC 1 or 2) at hospital discharge

Adjusted odds ratio

1.60

95% CI 1.05–2.43

P = 0.03

By group

Women vs men undergoing ECPR for OHCA
aOR 1.60 (95% CI 1.05–2.43); P = 0.03
Unadjusted difference between males and females
P = 0.10

Further findings

Initial non-shockable rhythm

Non-shockable rhythm at hospital arrival

Non-shockable rhythm at ECMO initiation

Age, witnessed arrest, bystander CPR

Similar between groups

Original publication

Sex differences in extracorporeal cardiopulmonary resuscitation for out-of-hospital cardiac arrest: nationwide multicenter retrospective study in Japan. Crit Care. Published 31 October 2024. doi:10.1186/s13054-024-05086-9

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