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Iatrogenic hyponatremia in hospitalized children: Can it be avoided?
Peter Skippen1, Robert Adderley, Mary Bennett
1Division of Pediatric Critical Care.
Insights
Iatrogenic hyponatremia in hospitalized children is a serious risk, often caused by excessive free water administration. New approaches to fluid therapy are needed to prevent this potentially fatal condition.
Area of Science:
- Pediatrics
- Internal Medicine
- Clinical Chemistry
Background:
- Iatrogenic hyponatremia is a frequent complication in hospitalized children, primarily linked to free water administration via oral or hypotonic intravenous routes.
- This condition poses significant risks, including cerebral edema and mortality, particularly in healthy children undergoing minor surgical procedures.
Observation:
- Current fluid infusion guidelines rely on outdated data from over 50 years ago, based on caloric expenditure in healthy children.
- Hospitalized children exhibit increased vulnerability to hyponatremia, highlighting the inadequacy of existing fluid management protocols.
Findings:
- A critical re-evaluation of historical data and recent findings underscore the necessity for revised pediatric fluid administration strategies.
- Optimal fluid therapy requires individualized assessment of fluid type, volume, and electrolyte needs, coupled with vigilant monitoring.
Implications:
- Pediatricians must adopt a more personalized approach to intravenous fluid therapy, moving beyond standardized protocols.
- Implementing updated guidelines and rigorous monitoring can significantly mitigate the incidence and severity of iatrogenic hyponatremia in pediatric patients.
Abstract:
Iatrogenic hyponatremia in hospitalized children is a common problem. It is usually caused by the administration of free water, either orally or through the prescription of hypotonic intravenous fluids. It can result in cerebral edema and death, and is most commonly reported in healthy children undergoing minor surgery. The current teachings and practical guidelines for maintenance fluid infusions are based on caloric expenditure data in healthy children that were derived and published more than 50 years ago. A re-evaluation of these data and more recent recognition that hospitalized children are vulnerable to hyponatremia, with its resulting morbidity and mortality rates, suggest that changes in paediatricians' approach to fluid administration are necessary. There is no single fluid therapy that is optimal for all hospitalized children. A thorough assessment of the type of fluid, volume of fluid and electrolyte requirements based on individual patient requirements, plus rigorous monitoring, is required in any child receiving intravenous fluids. The present article reviews how hyponatremia occurs and makes recommendations for minimizing the risk of iatrogenic hyponatremia.
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