Intraoperative fluid management in children - a comparison of three fluid regimens

Magdalena Mierzewska-Schmidt1

  • 1Department of Paediatric Anaesthesiology and Intensive Care, Medical University of Warsaw, Poland. mcdosia@gmail.com.

Insights

Ringer's acetate is the safest intraoperative fluid for children, avoiding glucose and electrolyte imbalances. Hypotonic fluids like 5% glucose in water can cause dangerous hyperglycemia and hyponatremia in pediatric patients.

Area of Science:

  • Pediatric Anesthesiology
  • Intraoperative Fluid Management
  • Pediatric Endocrinology

Background:

  • Perioperative fluid therapy is critical for pediatric patient safety.
  • Inappropriate fluid management has led to severe complications, including neurological damage and death in children.
  • Understanding the impact of intraoperative fluids on pediatric metabolic parameters is essential.

Purpose of the Study:

  • To evaluate the effects of different intraoperative fluid solutions on serum glucose, electrolytes, and osmolality in children.
  • To compare the safety and metabolic impact of 5% glucose in water (G5W), 3.33% glucose in 0.3% NaCl (GNaCl), and Ringer's acetate (RA) solutions.
  • To identify optimal fluid choices for minimizing adverse metabolic changes during pediatric surgery.

Main Methods:

  • A prospective, randomized, open-label study involving 91 children (ASA I-II) undergoing elective ENT surgery.
  • Participants were assigned to receive G5W, GNaCl, or RA solutions.
  • Serum glucose, sodium, potassium, phosphate, and osmolality were measured pre-anesthesia, post-surgery, and 60 minutes later.

Main Results:

  • Postoperative hyperglycemia occurred in 94% of G5W and 37% of GNaCl groups; glucose increased in all groups.
  • Hyponatremia was observed in 36% of G5W and 3.7% of GNaCl patients.
  • Ringer's acetate showed no significant changes in glucose or electrolytes, and osmolality remained stable, unlike G5W and GNaCl which showed decreased osmolality.

Conclusions:

  • Ringer's acetate is the safest intraoperative fluid for pediatric elective surgery due to its lack of significant impact on glucose and electrolyte levels.
  • Hypotonic fluids, including 5% glucose in water and potentially 3.33% glucose in 0.3% NaCl, should be avoided during intraoperative management in children.
  • Careful selection of intraoperative fluids is crucial to prevent metabolic disturbances and ensure patient safety in pediatric surgical settings.
Abstract

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