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Published on: July 8, 2025
[Postoperative hyponatremia in pediatric patients]
A R Fernández1, M A Ariza, J L Casielles
1Departamento de Anestesiología y Reanimación, Hospital Universitario Virgen Macarena, Sevilla. antonio@gonzalo5292.jazztel.es
Pediatric fluid replacement using hypotonic solutions may increase the risk of hyponatremic encephalopathy. Further research is needed to determine optimal fluid therapy strategies for children undergoing surgery.
Area of Science:
- Pediatric Medicine
- Nephrology
- Critical Care Medicine
Background:
- For 50 years, pediatric fluid therapy relied on the Holliday-Segar formula with hypotonic solutions.
- Recent concerns highlight postoperative hyponatremia, morbidity, and mortality, questioning current fluid therapy practices.
Observation:
- Three cases of hyponatremic encephalopathy in children after minor surgery are presented.
- Kidney's free water excretion is a key factor, but optimal pediatric fluid therapy remains debated.
Findings:
- Current fluid therapy strategies and volumes are under scrutiny due to hyponatremia risks.
- The debate on perioperative fluid therapy effectiveness and safety continues.
Implications:
- Urgent need for large randomized clinical trials comparing hypotonic and isotonic solutions in pediatric patients.
- Developing evidence-based recommendations to minimize electrolyte disturbances and their complications in pediatric surgical patients.
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