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      Endothelium-Dependent Effects of Beta-Adrenergic Blockers

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          Abstract

          Nonselective β-adrenergic blockers have been reported to affect endothelium-dependent responses in isolated blood vessels in the following ways: (a) cause endothelium-augmented direct relaxations; (b) facilitate the endothelium-dependent relaxations evoked by α<sub>2</sub>-adrenergic activation, or by acetylcholine; (c) augment the intraluminal release of vasodilator prostanoids, and (d) inhibit endothelium-dependent contractions to anoxia. Important species differences exist in terms of the endothelium-dependent effects of the compounds. If they were to occur in the intact organism, the endothelium-dependent effects of the β-adrenergic blockers could help to explain their vasodilator properties.

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          Author and article information

          Journal
          JVR
          J Vasc Res
          10.1159/issn.1018-1172
          Journal of Vascular Research
          S. Karger AG
          978-3-8055-5330-8
          978-3-318-01614-7
          1018-1172
          1423-0135
          1990
          1990
          23 September 2008
          : 27
          : 2-5
          : 301-305
          Affiliations
          Center for Experimental Therapeutics, Baylor College of Medicine, Houston, Tex., USA
          Article
          158822 Blood Vessels 1990;27:301–305
          10.1159/000158822
          © 1990 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: 5
          Categories
          Mechanisms of Vasodilatation

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