Hemodynamics, fluids & transfusion

Adherence to a restrictive red blood cell transfusion strategy in critically ill patients: An observational study

Acta Anaesthesiol ScandPublished Registry-based observational study

Authors' conclusion

Implementation of a restrictive transfusion trigger in a critical care setting resulted in lasting decreased RBC transfusion use and costs, decreased prescribed and actual haemoglobin trigger levels and improved adherence to prescribed haemoglobin trigger levels.

Study context

Population
Critically ill adults without massive bleeding, 9-bed tertiary ICU
Participants
5,626 admissions
Exposure
Post-cohort vs pre-cohort
  • Post-cohortn = 1,253
  • Pre-cohortn = 4,373reference
Outcome
RBC usage, haemoglobin trigger levels and adherence to prescribed trigger levels
Methodological detailsbefore-after (pre-cohort vs post-cohort), single-centre, Implementation measures: lectures, webinars and feedback during clinical practice
  • Before-after (pre-cohort vs post-cohort)
  • Single-centre
  • Implementation measures: lectures, webinars and feedback during clinical practice

Main finding

As reported in the abstract

RBC transfusion volume per 100 admission days

P < 0.001

Estimated median saving per 100 admission days after implementation
1128 €

Observational data: associations, not effects.

Further findings

Admissions receiving RBC transfusion(s) · days 0-10

P < 0.001

Days without compliance with prescribed transfusion trigger

P < 0.001

Prescribed haemoglobin trigger level (determined by intensivist)

P < 0.001

OutcomePre-cohortPost-cohortP value
Actual haemoglobin trigger level (prior to transfusion)median 89 (IQR 82–96) g/Lmedian 83 (IQR 79–94)P < 0.001

Sensitivity analyses excluding TBI, ischemic heart disease and COVID-19

Similar results

Original publication

Adherence to a restrictive red blood cell transfusion strategy in critically ill patients: An observational study. Acta Anaesthesiol Scand. Published 7 March 2024. doi:10.1111/aas.14402

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