PMID: 10649737Jan 29, 2000Paper

Impact of increased intraperitoneal fill volume on tolerance and dialysis effectiveness in children

Advances in Peritoneal Dialysis
M FischbachF Donnars

Abstract

The known relationship between peritoneal fill volume (IVP) and dialysis efficiency favors the use of an optimal IVP to enhance peritoneal dialysis (PD). Therefore, we have studied the effects of an increased IVP in consecutive stages [800, 1400, and 2000 mL/m2 of body surface area (BSA), respectively] in 8 children on chronic PD (mean age: 9 years 6 months; range: 2-16 years). Each prescribed IVP was maintained for 60 minutes of dwell time, allowing a short peritoneal equilibration test. Tolerance was assessed clinically and by intraperitoneal pressure (IPP) measurements at the end of each dwell test. Determination of dialysate-to-plasma ratios, and calculation of mass transfer area coefficients (K0A) using the Henderson method for urea, creatinine, and phosphate, were used to assess the impact of an increased IVP on dialytic efficiency. Increasing IVP from 800 to 1400 and thereafter to 2000 mL/m2 induced an IPP increment, respectively, from 8.4 +/- 1.4 cm (of water) to 12.1 +/- 1.4 cm and thereafter to 18.3 +/- 1.4 cm, with a positive strong linear correlation (r = 0.92; P = 0.001; IPP = 1.46 +/- 8.17(-3) IVP). In the same manner increasing IVP induced K0A increments for urea of 10.6 +/- 1.2 mL/min per m2 to 15.3 +/- 1.6 mL/m...Continue Reading

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