Effects of Renal Nerves on Renal Hemodynamics

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Abstract

Renal nerves were stimulated either directly (loop electrodes) or indirectly (bilateral carotid occlusion with maintenance of control blood pressure) in anesthetized dogs to determine the effects on renal blood flow (RBF), glomerular filtration rate (GFR), sodium excretion (UNaV), and intrarenal distribution of blood flow (microsphere method). Direct nerve stimulation decreased RBF 20% in 9 of 10 dogs; but GFR, UNaV, and intrarenal distribution of blood flow did not change significantly. Carotid occlusion decreased RBF in 9 of 10 dogs. There was a 22% fall in RBF for the whole group, GFR decreased 33%, and UNaV decreased from 0.39 to 0.17 µEq/min/g (p < 0.05). A small (8%) decrease in midcortical fractional flow (p < 0.05) after carotid occlusion was the only distributional flow change observed. The results disclosed no relationship between changes in sodium excretion and changes in total RBF, GFR, or intrarenal distribution of blood flow following nerve stimulation. These studies also indicate that the renal effects of carotid occlusion are probably not mediated by renal nerve stimulation alone.

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Author and article information

Journal

Journal ID (publisher-id): NEF

Journal ID (nlm-ta): Nephron

Journal ID (doi): 10.1159/issn.1660-8151

Title: Nephron

Publisher: S. Karger AG

ISSN (Print): 1660-8151

ISSN (Electronic): 2235-3186

Publication date Subscription-year: 1975

Publication date (Print): 1975

Publication date (Electronic): 28 November 2008

Volume: 14

Issue: 3-4

Pages: 246-256

Affiliations

Departments of Internal Medicine, Temple University Health Sciences Center, Philadelphia, Pa., and University of Arizona College of Medicine, and Veterans Administration Hospital, Tucson, Ariz.

Article

Publisher ID: 180454 Other ID: Nephron 1975;14:246–256

DOI: 10.1159/000180454

PubMed ID: 124020

SO-VID: 559feb3c-9d93-4e84-8616-5dba34e77316

License:

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.

History

Date received : 26 September 1973

Date accepted : 24 July 1974

Page count

Pages: 11

Product

Self URI (application/pdf): https://www.karger.com/Article/Pdf/180454

Self URI (text/html): https://www.karger.com/Article/FullText/180454

Self URI (journal page): https://www.karger.com/SubjectArea/Nephrology

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