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      Enhanced Functional Performance Characteristics of a New Polysulfone Membrane for High-Flux Hemodialysis

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          Abstract

          Elimination of uremic solutes with molecular weights up to 60 kD, without significant loss of albumin is an important therapeutic goal to optimize outcomes in chronic hemodialysis patients. To characterize a newly developed polysulfone dialyzer (APS-650) a comparative analysis was performed with a highly advanced polysulfone dialyzer (F-60S) including 22 stable chronic hemodialysis patients. Diffusive clearances were determined, and albumin loss was calculated. The elimination profile of uremic solutes up to 32.0 kD was assessed in vivo by sieving coefficients, clearances, and reduction ratios of β<sub>2</sub>-microglobulin (11.8 kD), myoglobin (17.2 kD), prolactin (23.0 kD), and α<sub>1</sub>-microglobulin (32.0 kD). Hemocompatibility was tested in serial measurements of total white blood cell count, platelet count, C3a, and neutrophil elastase. No significant albumin loss was detected. Significantly higher sieving coefficients, clearances, and reduction ratios for proteins with molecular weight up to 32.0 kD were demonstrated with the newly developed polysulfone membrane. Both polysulfone membranes were equal concerning hemocompatibility parameters. The APS-650 dialyzer allowed optimized hemodialysis treatment with respect to clearance of medium-sized uraemic solutes by high-flux dialysis.

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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
          2002
          2002
          12 August 2002
          : 20
          : 4
          : 325-333
          Affiliations
          aApheresis Research Institute, Cologne, bBioArt Products, Rostock, cGerman Clinic for Diagnostics, Wiesbaden, d1st Department of Internal Medicine, University of Mainz, Germany
          Article
          63099 Blood Purif 2002;20:325–333
          10.1159/000063099
          12169840
          © 2002 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: 1, Tables: 5, References: 41, Pages: 9
          Product
          Self URI (application/pdf): https://www.karger.com/Article/Pdf/63099
          Categories
          Original Paper

          Cardiovascular Medicine, Nephrology

          Dialysis membrane, High-flux hemodialysis, Polysulfone

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