Perioperative medicine & outcomes

Intraoperative Use of Albumin in Major Noncardiac Surgery: Incidence, Variability, and Association With Outcomes

Ann SurgPublished Retrospective cohort study

Authors' conclusion

Intravenous albumin is commonly administered among noncardiac surgeries with significant inter-institutional variability in use in the United States. Albumin administration was associated with an increased risk of postoperative complications.

Study context

Population
Adults undergoing major noncardiac surgery under GA at 54 US hospitals (Multicenter Perioperative Outcomes Group), January 2014–June 2020
Participants
614,215 major surgeries
Exposure
Intraoperative albumin exposed vs unexposed
Outcome
Incidence of albumin administration
Methodological detailsobservational, multicentre, propensity score-matched
  • Observational
  • Multicentre
  • Propensity score-matched

Main finding

As reported in the abstract

Predominantly iso-oncotic albumin administered (proportion of cases)

15.3%

Observational data: associations, not effects.

Secondary outcomes

Acute kidney injury (AKI)

Albumin use associated with AKI, aOR
1.24 (95% CI 1.20-1.28, P <0.001)
  • Propensity score-matched cohort (n=153,218)

Severe AKI

Albumin use associated with severe AKI, aOR
1.45 (95% CI 1.34-1.56, P <0.001)
  • Propensity score-matched cohort (n=153,218)

Net-positive fluid balance

Albumin use associated with net-positive fluid balance, aOR
1.18 (95% CI 1.16-1.20, P <0.001)
  • Propensity score-matched cohort (n=153,218)

Pulmonary complications

Albumin use associated with pulmonary complications, aOR
1.56 (95% CI 1.30-1.86, P <0.001)
  • Propensity score-matched cohort (n=153,218)

30-day all-cause mortality

Albumin use associated with 30-day all-cause mortality, aOR
1.37 (95% CI 1.26-1.49, P <0.001)
  • Propensity score-matched cohort (n=153,218)

Original publication

Intraoperative Use of Albumin in Major Noncardiac Surgery: Incidence, Variability, and Association With Outcomes. Ann Surg. Published 14 December 2022. doi:10.1097/sla.0000000000005774

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