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      Benefit of Glucose-Free Dialysis Solutions on Glucose and Lipid Metabolism in Peritoneal Dialysis Patients

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          Abstract

          Background: Glucose absorbed from conventional peritoneal dialysis (PD) solutions contributes to unfavorable metabolic effects. Its replacement with a glucose-free osmotic agent such as icodextrin (ID) or amino acids (AA) may have some benefit on glucose and lipid metabolism. Methods: Serum lipids, insulin sensitivity and substrate oxidation (calorimetry) were measured before and after 8 weeks use of ID or AA in 22 patients. Calorimetry and blood tests (HbA1c, lipids) were also performed after 8 weeks of simultaneous use of ID and AA in 8 patients. Results: Cholesterol declined during the use of AA (4.8 ± 0.3–4.5 ± 0.3 mmol/l, p = 0.045). Triglycerides decreased during the use of both ID (2.2 ± 0.2–1.9 ± 0.1 mmol/l, p = 0.019) and AA (1.9 ± 0.2–1.6 ± 0.1 mmol/l, p = 0.024). Free fatty acids declined during the use of AA. There were no significant changes in insulin sensitivity. Glucose oxidation decreased and lipid oxidation increased during the use of ID, the changes in substrate oxidation were accentuated during the simultaneous use of ID and AA. Conclusion: Replacement of glucose with ID or AA had a benefit on glucose and lipid metabolism.

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          Most cited references 6

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          Are there two types of malnutrition in chronic renal failure? Evidence for relationships between malnutrition, inflammation and atherosclerosis (MIA syndrome).

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            Insulin resistance in uremia.

            Tissue sensitivity to insulin was examined with the euglycemic insulin clamp technique in 17 chronically uremic and 36 control subjects. The plasma insulin concentration was raised by approximately 100 microU/ml and the plasma glucose concentration was maintained at the basal level with a variable glucose infusion. Under these steady-state conditions of euglycemia, the glucose infusion rate is a measure of the amount of glucose taken up by the entire body. In uremic subjects insulin-mediated glucose metabolism was reduced by 47% compared with controls (3.71 +/- 0.20 vs. 7.38 +/- 0.26 mg/kg . min; P less than 0.001). Basal hepatic glucose production (measured with [3H]-3-glucose) was normal in uremic subjects (2.17 +/- 0.04 mg/kg . min) and suppressed normally by 94 +/- 2% following insulin administration. In six uremic and six control subjects, net splanchnic glucose balance was also measured directly by the hepatic venous catheterization technique. In the postabsorptive state splanchnic glucose production was similar in uremics (1.57 +/- 0.03 mg/kg . min) and controls (1.79 +/- 0.20 mg/kg . min). After 90 min of sustained hyperinsulinemia, splanchnic glucose balance reverted to a net uptake which was similar in uremics (0.42 +/- 0.11 mg/kg . min) and controls (0.53 +/- 0.12 mg/kg . min). In contrast, glucose uptake by the leg was reduced by 60% in the uremic group (21 +/- 1 vs. 52 +/- 8 mumol/min . kg of leg wt; P less than 0.005) and this decrease closely paralleled the decrease in total glucose metabolism by the entire body. These results indicate that: (a) suppression of hepatic glucose production by physiologic hyperinsulinemia is not impaired by uremia, (b) insulin-mediated glucose uptake by the liver is normal in uremic subjects, and (c) tissue insensitivity to insulin is the primary cause of insulin resistance in uremia.
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              The impact of an amino acid-based peritoneal dialysis fluid on plasma total homocysteine levels, lipid profile and body fat mass

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                Author and article information

                Journal
                BPU
                Blood Purif
                10.1159/issn.0253-5068
                Blood Purification
                S. Karger AG
                0253-5068
                1421-9735
                2005
                September 2005
                04 October 2005
                : 23
                : 4
                : 303-310
                Affiliations
                Department of Medicine, Division of Nephrology, Helsinki University Central Hospital, Helsinki, Finland
                Article
                86553 Blood Purif 2005;23:303–310
                10.1159/000086553
                15980620
                © 2005 S. Karger AG, Basel

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                Page count
                Figures: 3, Tables: 6, References: 27, Pages: 8
                Product
                Self URI (application/pdf): https://www.karger.com/Article/Pdf/86553
                Categories
                Original Paper

                Cardiovascular Medicine, Nephrology

                Lipids, Icodextrin, Peritoneal dialysis, Amino acid solution

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