Association between fluid intake and mortality in critically ill patients with negative fluid balance: a retrospective cohort study

Critical Care : the Official Journal of the Critical Care Forum
Yanfei ShenWeimin Zhang

Abstract

Compared to positive fluid balance (FB), negative FB is associated with improved clinical outcomes in critically ill patients. However, as to whether achieving more negative FB can further improve outcomes has not been investigated. This study aimed to investigate whether more negative FB and restricted fluid intake were associated with improved outcomes in critically ill patients. Data were extracted from the Multi-parameter Intelligent Monitoring in Intensive Care III Database. Patients achieving negative FB at 48 hours after intensive care unit (ICU) admission were screened. The primary outcome was hospital mortality. Logistic models were built to explore the association between FB, fluid intake and mortality, using FB and fluid intake (both four levels) as design variables and using the linear spline function method. There were 2068 patients meeting the inclusion criteria. Compared to slight negative FB (level 1), there was a decreased tendency towards mortality with FB level 2 (OR 0.88, 95% CI 0.69-1.11) and level 3 (OR 0.79, 95% CI 0. 65-1.11); however, only extreme negative FB (level 4) was significant (OR 0.56, 95% CI 0. 33-0.95). Fluid intake and urine output were evenly distributed over the first 48 hours after ICU ad...Continue Reading

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Citations

May 19, 2018·Minerva anestesiologica·Elio Antonucci
Jun 5, 2020·Journal of Intensive Care Medicine·Timothy W JonesAndrea Sikora Newsome
Jan 12, 2019·Critical Care : the Official Journal of the Critical Care Forum·Yanfei ShenYong Shen
Sep 30, 2020·Journal of Critical Care·Filipe S CardosoConstantine J Karvellas
Sep 10, 2021·BMC Anesthesiology·Halvor LangelandPål Klepstad

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