Organ support & nutrition

Circuit change during extracorporeal membrane oxygenation: single-center retrospective study of 48 changes

Crit CarePublished Retrospective cohort study

Authors' conclusion

In patients with severe and persistent bleeding, changing the ECMO circuit decreased clinical bleeding and red blood cell transfusion needs and increased platelets and fibrinogen levels. Oxygenation parameters did not change significantly in the group with thrombosis.

Study context

Population
Patients on extracorporeal membrane oxygenator (ECMO) with circuit changes for bleeding or thrombosis, January 2017 to August 2020circuit changes in 44 patients
Participants
48 patients
Exposure
Before vs after ECMO circuit change
  • Bleedingn = 32
  • Thrombosisn = 16reference
Outcome
Course of clinical, laboratory and transfusion parameters before and after ECMO circuit change
Follow-up
Seven days surrounding the circuit change
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

Bleeding: bleeding events, hemostatic procedures and RBC transfusions significantly higher before vs after change
P < 0.001

Observational data: associations, not effects.

Further findings

Mortality, bleeding vs thrombosis

P = 0.39

  • Mortality, with vs without circuit changes: With changes 48%
  • Mortality, with vs without circuit changes: Without changes 43%

Mortality, with vs without circuit changes

Mortality similar

Original publication

Circuit change during extracorporeal membrane oxygenation: single-center retrospective study of 48 changes. Crit Care. Published 2 June 2023. doi:10.1186/s13054-023-04503-9

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