Factors related to ultrafiltration volume with icodextrin dialysate use in children

Naoaki Mikami1, Riku Hamada2,3, Ryoko Harada1

  • 1Department of Nephrology, Tokyo Metropolitan Children's Medical Center, Fuchu, Tokyo, Japan.

Insights

Icodextrin peritoneal dialysis offers superior water removal in children, especially with adequate dwell time and volume. This osmotic agent is more effective than glucose for pediatric patients requiring peritoneal dialysis.

Area of Science:

  • Nephrology
  • Pediatric Dialysis
  • Peritoneal Transport

Background:

  • Icodextrin peritoneal dialysate shows lower absorption and higher ultrafiltration than glucose in high-permeability patients.
  • Limited data exist on icodextrin dialysate use in pediatric populations.

Purpose of the Study:

  • To analyze factors influencing ultrafiltration volume with icodextrin dialysate in pediatric patients.
  • To compare ultrafiltration volumes between icodextrin and glucose dialysates in children.

Main Methods:

  • Retrospective analysis of pediatric patients undergoing peritoneal equilibration tests and dialysis with icodextrin.
  • Statistical analysis of factors affecting ultrafiltration volume with icodextrin.
  • Comparison of ultrafiltration volumes between icodextrin and medium-concentration glucose dialysates in the same patients.

Main Results:

  • Dwell time, D/P-creatinine, D/D0-glucose, age, height, and weight correlated with icodextrin ultrafiltration volume.
  • Dwell volumes ≥ 550 mL/m² significantly increased ultrafiltration.
  • Icodextrin demonstrated superior ultrafiltration and longer dwell times compared to glucose dialysate.

Conclusions:

  • Icodextrin ultrafiltration volume is reduced in pediatric patients with small stature.
  • Adequate dwell time and volume are crucial for maximizing water removal in children using icodextrin.
  • Icodextrin offers superior ultrafiltration compared to medium-concentration glucose for extended dwell times in pediatric peritoneal dialysis.
Abstract

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