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      Direct in vivo Visualization of Renal Microcirculation by Intravital CCD Videomicroscopy

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          Abstract

          Several types of experimental techniques have been developed for the evaluation of renal microcirculation. Although each methodology possesses excellent and unique characteristics, it requires substantial artificial manipulation that might alter the renal microvascular responsiveness. To circumvent such limitation of previous ex vivo or in vitro approaches to glomerular microcirculation, we have developed a pencil lens-probe charge-coupled device (CCD) intravital videomicroscopic system which allows us to evaluate both systemic hemodynamics and renal microcirculation. Furthermore, real-time images of afferent and efferent arterioles as well as glomeruli can be continuously assessed, which would facilitate the functional characterization of these microvessels in vivo. Finally, the tapered nature of the CCD probe of this videomicroscopy may allow direct observation of the renal microvasculature in small animals (e.g., rats and mice). In conclusion, this novel technique is a valuable tool for unveiling the in vivo, in situ and intact renal microvascular behavior, and may provide further approaches to the understanding of renal microcirculation.

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          Author and article information

          Journal
          EXN
          Nephron Exp Nephrol
          10.1159/issn.1660-2129
          Cardiorenal Medicine
          S. Karger AG
          1660-2129
          2001
          April 2001
          11 January 2001
          : 9
          : 2
          : 150-155
          Affiliations
          Departments of aUrology and bMedical Engineering and Systems Cardiology, Kawasaki Medical School, Okayama, and cDepartment of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan
          Article
          52606 Exp Nephrol 2001;9:150–155
          10.1159/000052606
          11150864
          © 2001 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: 5, Tables: 2, References: 17, Pages: 6
          Product
          Self URI (application/pdf): https://www.karger.com/Article/Pdf/52606
          Categories
          Technical Seminar

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