Hemodynamics, fluids & transfusion

Physiological and linical ffects of ifferent nfusion ates of ntravenous luids for olume xpansion: A coping eview

J Crit CarePublished Scoping review

Authors' conclusion

In this scoping review, most studies showed that slower intravenous infusion rates result in a more efficient intravascular expansion, with a longer effect, and less edema than faster rates. Effects on clinical outcomes were inconsistent.

Study context

Population
Animals, healthy subjects, critically ill and perioperative patients of all ages7 animal, 11 clinical, 3 volunteer studies
Comparison
Slower vs faster IV fluid infusion rates for volume expansion
Outcome
Physiological and clinical effects
Methodological detailsSearched PubMed, EMBASE and Cochrane CENTRAL, 7 animal studies, 11 clinical studies, 3 healthy volunteer studies
  • Searched PubMed, EMBASE and Cochrane CENTRAL
  • 7 animal studies, 11 clinical studies, 3 healthy volunteer studies

Main finding

As reported in the abstract

Slower infusion: lower mortality (studies)
2
Slower infusion: lower blood loss (studies)
1
Slower infusion: better or more sustained plasma volume expansion and less edema (studies)
3
Slower infusion: slower restoration of BP (studies)
1
Healthy volunteer studies suggesting more effective plasma expansion with slower infusion
3
Postoperative trial with no plasma volume differences between infusion rates
1

Original publication

Physiological and linical ffects of ifferent nfusion ates of ntravenous luids for olume xpansion: A coping eview. J Crit Care. Published 29 March 2023. doi:10.1016/j.jcrc.2023.154295

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