Organ support & nutrition

Dual titration of minute ventilation and sweep gas flow to control carbon dioxide variations in patients on venovenous extracorporeal membrane oxygenation

Ann Intensive CarePublished Retrospective before-after study

Authors' conclusion

Implementation of our protocol for dual titration of minute ventilation and sweep gas flow was feasible and associated with less initial PaCO2 variation than usual care. It was also associated with less intracranial bleeding.

Study context

Population
Patients requiring VV-ECMO for severe ARDS, single unit, March 2020 to May 2021
Participants
51 patients
Exposure
Protocol vs Control
  • Protocoln = 27
  • Controln = 24reference
Outcome
Mean absolute change in PaCO2 in consecutive arterial blood gas samples
Follow-up
First 12 h after VV-ECMO implantation
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

12 h

P = 0.007

Observational data: associations, not effects.

Secondary outcomes

Large (> 25 mmHg) initial PaCO2 variations · immediately after ECMO implantation

P = 0.04

Mortality

P = 0.42

Feasibility

The protocol was proved feasible

Safety

Intracranial bleeding

P = 0.04

Original publication

Dual titration of minute ventilation and sweep gas flow to control carbon dioxide variations in patients on venovenous extracorporeal membrane oxygenation. Ann Intensive Care. Published 25 May 2023. doi:10.1186/s13613-023-01138-5

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