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      Exercise Testing after Nontransmural Myocardial Infarction

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          Abstract

          In order to ascertain the prognostic value of exercise testing in patients suffering nontransmural myocardial infarction, 74 patients performed a bicycle-ergometric test 4 weeks after the onset of the illness. The test induced angina and/or ischemic changes of ECG in 33 (group B) patients and no ischemic abnormalities in 41 (group A) patients. Following the exercise testing, all the patients performed a similar supervised exercise training program. Group A patients increased both their maximal work capacity (MWC) (mean + 26.4%, P < 0.001) and their total work performed (TWP) (mean + 54.8%, p < 0.001). 1 patient suffered a new transmural infarction during the training period. Although group B patients similarly increased their MWC (mean + 16.0%, P < 0.001) and TWP (mean + 30.0%, p < 0.005), 1 patient died suddenly and 1 patient experienced a new transmural infarction during the training period. In addition, another 2 group B patients stopped their training program due to the onset of recurrent angina at rest. Coronary angiographic examination was performed on 20 patients of each group within 12 weeks of the acute nontransmural myocardial infarction. The percentage of normal coronary angiographic findings and single, double, triple coronary vessels disease was: group A: 30, 45, 20 and 15%; group B: 0, 10, 30 and 60%. During the 12-month follow-up period, 1 patient of group A had an aortic coronary bypass operation. In contrast, group B patients had many clinical events: 4 died suddenly, 7 suffered recurrent episodes of angina pectoris, 6 underwent an aortic coronary bypass operation, 2 developed left ventricular insufficiency. The data suggest that the results of the exercise testing, 4 weeks after a nontransmural myocardial infarction, have predictive value for atherosclerotic coronary involvement and can be useful to estimate the long-term prognosis of these patients.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1981
          1981
          07 November 2008
          : 68
          : 4
          : 218-232
          Affiliations
          aDivisione di Cardiologia, Centro di Riabilitazione Montescano Fondazione Clinica del Lavoro, e bDivisione di Cardiologia, Policlinico S. Matteo, Pavia, Italia
          Article
          173285 Cardiology 1981;68:218–232
          10.1159/000173285
          7326669
          © 1981 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: 15
          Categories
          Exercise Testing and Rehabilitation

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