Fluid balance in pediatric critically ill patients (with and without kidney dysfunction)
- PMID: 36302194
- PMCID: PMC10852033
- DOI: 10.1097/MCC.0000000000000987
Fluid balance in pediatric critically ill patients (with and without kidney dysfunction)
Abstract
Purpose of review: The issues of fluid balance and fluid overload are currently considered crucial aspects of pediatric critically ill patients' care.
Recent findings: This review describes current understanding of fluid management in critically ill children in terms of fluid balance and fluid overload and its effects on patients' outcomes. The review describes current evidence surrounding definitions, monitoring, and treatment of positive fluid balance. In particular, the review focuses on specific patient conditions, including perioperative cardiac surgery, severe acute respiratory failure, and extracorporeal membrane oxygenation therapy, as the ones at highest risk of developing fluid overload and poor clinical outcomes. Gaps in understanding include specific thresholds at which fluid overload occurs in all critically ill children or specific populations and optimal timing of decongestion of positive fluid balance.
Summary: Current evidence on fluid balance in critically ill children is mainly based on retrospective and observational studies, and intense research should be recommended in this important field. In theory, active decongestion of patients with fluid overload could improve mortality and other clinical outcomes, but randomized trials or advanced pragmatic studies are needed to better understand the optimal timing, patient characteristics, and tools to achieve this.
Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.
Conflict of interest statement
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Interesting assessment of the combined effect of acute kidney dysfunction and fluid overload whose respective roles interact with complex mechanisms.
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In patients with traumatic brain injury positive fluid balance is frequent but is does not apparently contribute to adverse clinical outcomes.
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The incidence of positive fluid balance in patients undergoing extracorporeal membrane oxygenation and requiring continuous renal replacement therapy and it typically results in fluid overload and impact mortality and treatment duration.
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