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Perit Dial Int. 2001 Nov-Dec;21(6):546-53.

Acidosis correction with a new 25 mmol/l bicarbonate/15 mmol/l lactate peritoneal dialysis solution.

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Hospital Clinico Universitario, Valencia, Spain.



The aim of this study was to evaluate the effects of a combined 25 mmol/L bicarbonate/15 mmol/L lactate-based solution (Bic/Lac), compared to a 35 mmol/L lactate solution (Lac)--the most commonly used solution for patients in southern Europe--on the venous plasma bicarbonate level in patients treated with continuous ambulatory peritoneal dialysis (CAPD).


This was a randomized, parallel, controlled, open-label study, with patients studied for a period of 3 months preceded by a 1-month baseline and followed by a 1-month follow-up. Patients used the 35 mmol/L lactate solution during baseline and follow-up periods.


Four Spanish nephrology centers.


Thirty-one (20 Bic/Lac, 11 Lac) well-dialyzed (creatinine clearance > 55 L/week/1.73 m2 body surface area) CAPD patients.


Blood samples were taken for biochemistry tests at all visits. A physical examination was completed at baseline and month 3, and a medical update was completed after 1, 2, and 3 months, and at the follow-up visit. Adverse-event monitoring and notation of prescription changes were carried out continuously.


Effect on venous plasma bicarbonate level.


Venous plasma bicarbonate rose by 3.1 mmol/L (confidence intervals 1.6-4.8),from a baseline level of 23.0 mmol/L during the treatment period in those patients treated with Bic/Lac (p < 0.05 vs Lac). The number of acidotic patients (venous plasma bicarbonate < 24 mmol/L) was statistically significantly reduced at every treatment period visit in the Bic/Lac group (p < 0.05). There were no adverse findings with respect to vital signs, physical examination, or clinical symptoms, apart from one death in the control group.


The new Bic/Lac solution allowed better correction of acid-base status than the lactate solution.

[Indexed for MEDLINE]

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