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      Hypertension and Silent Myocardial Ischemia: Their Influence on Cardiovascular Mortality and Morbidity

      ,

      Cardiology

      S. Karger AG

      Hypertension, Silent myocardial ischemia, ST-segment depression, Ambulatory, electrocardiography

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          Abstract

          The presence of ST-segment depression during ambulatory electrocardiographic monitoring, in relation to blood pressure treatment and control, was monitored in a non-randomized study in 167 men (49%) from the ‘Men born in 1914’ Malmö study, who were considered to have hypertension (diastolic blood pressure [DBP], ≧ 95 mm Hg or receiving antihypertensive therapy). Men were excluded if they had a history of ischemic heart disease. A high frequency of ST-segment depression (41%) and associated high cardiac event rate (14%) were found in hypertensive elderly men who had inadequately controlled blood pressure (i.e. DBP > 95 mm Hg). This was associated with a relative risk of a cardiac event of 9.8 (95% confidence interval: 2.6-36.9), even after adjustment for smoking, blood lipids and alcohol consumption. The lower frequency of ST-segment depression (21%) and lower cardiac event rate (5%) in hypertensive men with adequate blood pressure control suggests that effective antihypertensive treatment leads to a reduced event rate. In conclusion, the occurrence of ST-segment depression during ambulatory electrocardiographic monitoring in this group of subjects may be an expression of silent myocardial ischemia, with or without left ventricular hypertrophy. The incidence of asymptomatic ST-segment depression and the rate of cardiac events in hypertensive patients may be, in part, related to the level of blood pressure control attained.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          978-3-8055-6092-4
          978-3-318-01938-4
          0008-6312
          1421-9751
          1994
          1994
          19 November 2008
          : 85
          : Suppl 2
          : 16-23
          Affiliations
          Department of Community Health Sciences, Lund University, Malmö General Hospital, Malmö, Sweden
          Article
          177043 Cardiology 1994;85:16–23
          10.1159/000177043
          7736483
          © 1994 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.

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          Pages: 8
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