Acute cardiac care & resuscitationCohort study

Prognostic implications of complications during VA-ECMO for cardiogenic shock

Eur Heart J Acute Cardiovasc CarePublished

  • Registry analysis using Cox proportional hazards analysis, Multi-State Model (MSM) analysis and landmark Kaplan Meier survival analysis
  • Extracorporeal Life Support Organization (ELSO) Registry
  • complications as time-dependent covariates
  • 2017-2024

Authors' conclusion

Complications on VA-ECMO have a significant and cumulative effect on in-hospital mortality, with a higher number associated with increased risk of death. Neurologic and pulmonary complications were associated with the greatest mortality risk.

Study context

Population
Adults with a diagnosis of cardiogenic shock (CS) treated with VA-ECMO31.7% female
Participants
22,547 adults
Exposure
Association between timing and type of complication and in-hospital mortality
  • Non-survivorsn = 12,094

Main finding

As reported in the abstract

In-hospital mortality · index hospitalization

Died during index hospitalization

12,094 (54%)

Observational data: associations, not effects.

Further findings

Patients experiencing complications

Patients experiencing complications

All sub-types occurring more frequently in non-survivors

Hazard of mortality with neurologic complications

Neurologic complications increased the hazard of mortality by
3.6 (95% C.I 3.4 - 3.8)
  • Cox proportional hazards analysis, complications as time-dependent covariates

Absolute 30-day risk of mortality

0 complications
48.6%
Neurologic complication
93.1%
  • MSM analysis

Conditional survival given survival to 3 weeks

Patients without complications within the first 3 weeks had the highest conditional survival
  • Landmark survival analysis

Original publication

Prognostic implications of complications during VA-ECMO for cardiogenic shock. Eur Heart J Acute Cardiovasc Care. Published 6 October 2026. doi:10.1093/ehjacc/zuag127

Summarised from the published abstract; every number is checked against it