Hemodynamics, fluids & transfusion

Normosol-R vs Lactated Ringers in the Critically Ill: A Randomized Trial

ChestPublished Randomised controlled trial

Primary resultResult — go to the resultMean difference −0.12 mmol/dL 95% CI −0.61 to 0.36

Authors' conclusion

Among critically ill adults, the use of Normosol-R for IV fluid therapy did not affect plasma HCO3- concentrations or clinical outcomes compared with lactated Ringers.

Study context

Population
Critically ill adults at an academic medical center in the USenrolled
Participants
2,084 adults
Comparison
Normosol-R vs lactated Ringers
Primary endpoint
Plasma bicarbonate (HCO3-) concentration
Follow-up
Between enrollment and 7 days
Methodological detailspragmatic, cluster-randomized, multiple-crossover, single academic medical center, June 1, 2018, to January 31, 2019
  • Pragmatic
  • Cluster-randomized
  • Multiple-crossover
  • Single academic medical center
  • June 1, 2018, to January 31, 2019

Primary result

As reported in the abstract

Mean difference

−0.12 mmol/dL

95% CI −0.61 to 0.36

P = 0.61

Normosol-R vs Lactated Ringers
mean difference −0.12 mmol/dL (95% CI −0.61 to 0.36); P = 0.61

Secondary outcomes

OutcomeNormosol-RLactated RingersAbsolute risk difference (95% CI)
New kidney replacement therapy6.0%5.0%1.0% (−1.2% to 3.1%)
Death · day 3016.3%16.0%0.3% (−2.9% to 3.6%)

Original publication

Normosol-R vs Lactated Ringers in the Critically Ill: A Randomized Trial. Chest. Published 17 February 2025. doi:10.1016/j.chest.2025.02.008

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