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      Free Radical Markers in Patients with Angina Pectoris and Normal Coronary Angiograms

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          Abstract

          Markers suggestive of enhanced free radical (FR) activity have been demonstrated in patients with chest pain and normal coronary angiograms. This may be of pathogenetic importance because FRs impair vascular relaxation and are generated following episodes of myocardial ischaemia/reperfusion. Fifteen patients with angina pectoris, normal coronary angiograms and either a positive exercise tolerance test and/or abnormal dipyridamole thallium tomogram were studied along with 15 age-, sex- and smoking-matched controls. A peripheral venous blood sample was obtained to measure the following FR markers: malondialdehyde, plasma thiols, red blood cell glutathione and superoxide dismutase. No significant differences were detected in the levels of any of the FR markers between either the group of 15 patients with chest pain and normal angiograms or the subgroup with positive exercise tolerance tests when compared to the controls. There is therefore no evidence of enhanced FR activity in patients with chest pain and normal coronary angiograms in peripheral venous blood samples.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1993
          1993
          14 November 2008
          : 82
          : 1
          : 7-11
          Affiliations
          University Departments of aMedicine and bCardiology, Ninewells Hospital and Medical School, Dundee, UK
          Article
          175847 Cardiology 1993;82:7–11
          10.1159/000175847
          8519013
          © 1993 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
          General Cardiology

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