Organ support & nutrition

Association Between Systemic Anticoagulation and Outcomes in Patients With Acute Respiratory Distress Syndrome Receiving Venovenous Extracorporeal Membrane Oxygenation: Insights From a Multicenter Propensity-Weighted Study

Crit Care MedPublished Retrospective cohort study

Authors' conclusion

Systemic anticoagulation was not associated with short-term survival.

Study context

Population
Adults receiving VV-ECMO for Acute Respiratory Distress Syndrome (ARDS) in 24 ICUs in Japan
Participants
695 adults · 24 ICUs
Exposure
Systemic anticoagulation vs no anticoagulation during VV-ECMO
Outcome
28-day survival
Follow-up
28 days
Methodological detailsmulticentre, propensity score-overlap-weighted analysis, sensitivity analysis using inverse probability of treatment weighting
  • Multicentre
  • Propensity score-overlap-weighted analysis
  • Sensitivity analysis using inverse probability of treatment weighting

Main finding

As reported in the abstract

P = 0.50

Observational data: associations, not effects.

Further findings

Average activated partial thromboplastin time during ECMO · significantly higher in the anticoagulation group

P < 0.01

60-day survival, ECMO duration, circuit exchanges, transfusion volumes

Comparable between groups

Sensitivity analysis (inverse probability of treatment weighting)

Findings remained consistent

Safety

Bleeding complications

Comparable between groups

Original publication

Association Between Systemic Anticoagulation and Outcomes in Patients With Acute Respiratory Distress Syndrome Receiving Venovenous Extracorporeal Membrane Oxygenation: Insights From a Multicenter Propensity-Weighted Study. Crit Care Med. Published 19 February 2026. doi:10.1097/ccm.0000000000007071

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