The use of an amino-acid-based CAPD fluid over 12 weeks

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
G A YoungA M Brownjohn

Abstract

Eight patients with end-stage renal failure (plasma albumin less than 35 g/l) who were established on glucose CAPD exchanges, were studied for 4-week periods before, and after 12 weeks when 1% amino-acid solution had been used for the morning exchange. Anthropometric, biochemical, clinical and dietary assessments were made every 4 weeks. Dietary intakes of protein and calories were maintained. Studies with amino-acid solutions showed a mean of 13% and 8% amino acids remaining in the dialysate after 6 and 8 h respectively. Plasma amino acids increased to a maximum after 2 h of dialysis; however, fasting concentrations were constant over the 5 months. Osmolality of amino acids decreased comparably with 1.36% glucose during 8-h exchanges although the recovery of fluid was marginally less. Plasma transferrin increased significantly after 8 weeks of amino acids but subsequently decreased in one patient due to infection. No significant changes occurred in albumin, apolipoprotein A, IgG, IgA or prealbumin. Cholesterol and apolipoprotein B decreased in seven patients but increased in one due to rising calorie intake. Increases in urea and decreases in bicarbonate were not clinically significant. Amino-acid-based fluid was well tolerate...Continue Reading

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