Fluid management in children with diarrhea-related hyponatremic-hypernatremic dehydration: a retrospective study of

Celebi Kocaoglu1, Ece Selma Solak, Cengizhan Kilicarslan

  • 11Department of Pediatrics, 2Department of Pediatric Nephrology; Konya Education and Research Hospital, Konya, Turkey.

Insights

Children with diarrhea-related dehydration require close monitoring of electrolytes and creatinine. Individualized intravenous fluid therapy is crucial, as no single approach suits all pediatric patients.

Area of Science:

  • Pediatric Intensive Care
  • Nephrology
  • Pediatric Gastroenterology

Background:

  • Diarrhea is a common cause of dehydration in children.
  • Electrolyte imbalances, specifically hyponatremia and hypernatremia, can complicate dehydration management.
  • Serum creatinine and electrolyte levels are critical indicators of dehydration severity and patient status.

Purpose of the Study:

  • To investigate serum creatinine and electrolyte status in children experiencing diarrhea-related hyponatremic or hypernatremic dehydration.
  • To evaluate the impact of fluid concentration on the duration of serum sodium level amelioration in these pediatric patients.

Main Methods:

  • Retrospective evaluation of 83 pediatric patients admitted to the Pediatric Intensive Care Unit with diarrhea, dehydration, and electrolyte imbalance.
  • Analysis included degree of dehydration, serum creatinine, electrolytes, blood gas, fluid therapy concentration, and use of acute peritoneal dialysis.
  • Patients were categorized based on hyponatremia or hypernatremia and the concentration of intravenous fluids administered.

Main Results:

  • Mean duration for serum sodium amelioration in hyponatremic patients was longer when fluids were administered at a higher concentration (53.7 ± 31.6 h) compared to appropriate concentration (33.9 ± 28.3 h).
  • Similarly, hypernatremic patients showed a longer duration for serum sodium amelioration with higher concentration fluids (46.3 ± 32 h) versus appropriate concentration (34.7 ± 22.1 h).
  • Acute peritoneal dialysis was used in a small percentage of patients (4.8% hyponatremic, 3.6% hypernatremic); overall mortality was 6%.

Conclusions:

  • Children with severe diarrhea and dehydration require vigilant monitoring of clinical status, serum electrolytes, creatinine, and blood gases.
  • Individualized intravenous fluid therapy is essential, as optimal management varies between pediatric patients.
  • The concentration of administered fluids significantly impacts the time to normalize serum sodium levels.
Abstract

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