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      Does Cigarette Smoking Paradoxically Increase Survival in Idiopathic Dilated Cardiomyopathy?

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          Abstract

          Recent studies have suggested that patients with idiopathic dilated cardiomyopathy (IDCM) who smoke have an improved prognosis as compared with nonsmokers. We examined this paradoxical finding using data from a population-based study in Washington, D.C. (n = 127). Current smokers were more likely to have a left-ventricular ejection fraction (LVEF) of 25% or greater as compared with IDCM patients who were past smokers or lifelong nonsmokers (p ≤ 0.02). The cumulative survival among current smokers at 12 and 24 months was 88.1 and 81.4%, respectively, as compared with 77.9 and 71.6% among past smokers and 74.0 and 64.3% among patients who had never smoked. In a univariate analysis using the proportional hazards model, lifelong nonsmokers and former smokers were about twice as likely to die as compared with smokers, although the association was not significant (p > 0.10). In multivariable analysis, older age, LVEF, and ventricular arrhythmias – but not cigarette smoking – were found to be statistically significant independent predictors of survival (p ≤ 0.05).

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1996
          1996
          19 November 2008
          : 87
          : 6
          : 502-508
          Affiliations
          Department of Biostatistics and Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, La., USA
          Article
          177146 Cardiology 1996;87:502–508
          10.1159/000177146
          8904678
          © 1996 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: 7
          Categories
          General Cardiology

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