TITLE

Influence of exchange volume and dialysate flow rate on solute clearance in peritoneal dialysis

AUTHOR(S)
Robson, M.; Oreopoulos, D. G.; Izatt, S.; Ogilvie, R.; Rapoport, A.; de Veber, G. A.
PUB. DATE
November 1978
SOURCE
Kidney International;Nov1978, Vol. 14 Issue 5, p486
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
To find the ideal dialysate flow rate and exchange volume for use in long-term peritoneal dialysis, 10 patients were studied over a period of 1.5 yr. Exchange volumes of 1 or 2 liters and dialysate flow rates of 1. 2, 3, 4, and 6 liters/hr were tested. Dextrose concentration remained constant at 1.5 g/100 ml. Peritoneal clearances for BUN, creatinine, and uric acid were calculated at 2, 5, 10, 15, and 20 hr during dialysis making a total of 120 clearances for each patient. All patients used a reverse osmosis automatic machine. The clearances of all three solutes tended to be higher with exchange volumes of 2 liters than they did with 1 liter: this trend was significant for BUN (P < 0.025) and uric acid (P < 0.025) but not for creatinine. There was a significant rise in clearance with increasing flow rates per hour for all solutes as shown in the following table. ... Since patients could not tolerate a flow rate of 6 liters/hr, we conclude that a flow rate of 4 liters/hr with a 2-liter exchange wilt give maximum efficiency.
ACCESSION #
17677955

 

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