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      Effect of Intraperitoneally Administered Agents on Human Peritoneal Mesothelial Cell Growth

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          Abstract

          During continuous ambulatory peritoneal dialysis, the peritoneal mesothelial cell layer is under continuous sloughing and regeneration processes. Agents unfavorable for mesothelial cell growth may be harmful to the peritoneal membrane. We investigated whether frequent intraperitoneally instilled agents affect mesothelial cell growth. Peritoneal mesothelial cells were cultured from the human omentum. The proliferation was assessed by using a modified methyltetrazolium assay and confirmed by Coulter cell counting. The results showed that a high-glucose medium and heparin inhibited mesothelial cell growth. Cephalothin at the usual intraperitoneal loading and maintenance doses is toxic to mesothelial cells. Ceftazidime is toxic to mesothelial cells at its loading dose and inhibits growth at its maintenance dose. Aminoglycosides including netilmicin, gentamicin, and amikacin all had inhibitory effects at the loading and maintenance dose ranges. Vancomycin had no effect. The usual combinations of heparin and cephalothin with netilmicin or gentamicin as the initial treatment regimen for bacterial peritonitis are toxic to mesothelial cells. These results suggest that some intraperitoneal agents potentially may hamper mesothelial cell regeneration. The judicious use of heparin and the proper choice of antibiotic combinations may be warranted from the point of view of peritoneal protection.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1995
          1995
          18 December 2008
          : 71
          : 1
          : 23-28
          Affiliations
          Departments of aInternal Medicine and bSurgery, College of Medicine, National Taiwan University, Taipei, Taiwan, ROC
          Article
          188669 Nephron 1995;71:23–28
          10.1159/000188669
          8538844
          © 1995 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
          Pages: 6
          Categories
          Original Paper

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