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  • Title: Nutritional effects of amino acid dialysate (Nutrineal) in CAPD patients.
    Author: Misra M, Ashworth J, Reaveley DA, Muller B, Brown EA.
    Journal: Adv Perit Dial; 1996; 12():311-4. PubMed ID: 8865926.
    Abstract:
    The use of amino acid dialysate (AAD) has been shown to improve the nutritional status of malnourished continuous ambulatory peritoneal dialysis (CAPD) patients. We report on a randomized, prospective, cross-over study evaluating the effects of a single, daily, postprandial 2-L exchange of 1.1% AAD (Nutrineal) on a nutritionally unselected group of 18 stable CAPD patients. Patients in group A (n = 10) were randomized to receive AAD in the initial six months, whereas group B (n = 8) patients received AAD in the final six months of the study. Regular biochemical, hematological, and anthropometric measurements were made. A computerized nutrition score(1) combined anthropometry, serum albumin, and total lymphocyte count. Improved nutritional status was indicated by a decreased score. Mean serum albumin and transferrin did not show a significant rise in either group. However, patients in group A, with a mean serum albumin of less than 30 g/L, showed a significant rise at two months, which persisted at six months (26.8 g/L on entry, 29.0 g/L at two months, 30.1 g/L at six months; p < 0.05 and p < 0.01, respectively). Treatment with AAD showed a trend towards improvement in midarm muscle circumference in both groups (22.9 -23.5 cm, group A; 22.9-23.7 cm, group B). The nutrition score improved in both groups but was significant only in group A (14.6 to 13.1; p = 0.02). These effects of AAD on the nutritional status of CAPD patients need validation in a long-term study to evaluate the effects on morbidity and mortality.
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