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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.
Background:
Icodextrin has a lower absorption rate, and icodextrin peritoneal dialysate contributes to more water removal than glucose dialysate in patients with high peritoneal permeability. There are limited data on icodextrin dialysate use in children.
Methods:
This study included all pediatric patients who received peritoneal equilibration tests and peritoneal dialysis with icodextrin dialysate at the study center. The factors related to ultrafiltration volume with icodextrin dialysate with long dwell time were statistically analyzed. Then the ultrafiltration volume with icodextrin and medium-concentration glucose dialysate was compared in individual cycles in the same patients.
Results:
Thirty-six samples were included in the icodextrin group, and nine samples were used to compare the ultrafiltration volume with icodextrin and glucose dialysate. Dwell time, D/P-creatinine, D/D0-glucose, age, height, and weight correlated significantly with the ultrafiltration volume of icodextrin dialysate (p < 0.05). A dwell volume equal to or more than 550 mL/m2 was associated with a significantly higher ultrafiltration volume than a lower dwell volume (p = 0.039). Multiple regression analysis revealed that dwell time (p = 0.038) and height (p < 0.01) correlated with ultrafiltration volume significantly. In addition, the ultrafiltration volume was superior (p < 0.01), and dwell time was longer (p = 0.02), with icodextrin dialysate than with medium-concentration glucose dialysate.
Conclusions:
The ultrafiltration volume with icodextrin dialysate decreases in patients with small stature. Providing sufficient dwell time and volume is important for maximal water removal even in children. Ultrafiltration volume is superior with icodextrin than medium-concentration glucose dialysate for long dwell times. A higher resolution version of the Graphical abstract is available as Supplementary information.
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