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      B-Type Natriuretic Peptide Is Related to Left Ventricular Mass in Hypertensive Patients but Not in Athletes

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          Abstract

          A positive correlation has been previously documented between B-type natriuretic peptide (BNP) levels and left ventricular mass index (LVMI) in hypertensive patients. We evaluated 8 cycling athletes, 8 healthy age-matched controls; 17 hypertensive patients and 7 age-matched controls. LVMI was significantly higher in athletes and hypertensive patients than in their controls. Plasma levels of BNP in hypertensive patients were significantly higher than in athletes and their age-matched controls. No significant difference was found between athletes and their controls. Cycling athletes had significantly larger LVMI than hypertensive patients and controls, without elevated BNP levels. These results suggest that BNP levels are elevated in patients with increased LVM due to hypertension but not in physiologically increased LVM. Whether elevated BNP levels in athletes is a sign of structural heart disease merits further investigation.

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          Most cited references 6

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          Biochemical detection of left-ventricular systolic dysfunction

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            Changes in cardiac markers including B-natriuretic peptide in runners after the Boston marathon.

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              Predictors of prognosis in patients with stable mild to moderate heart failure.

              A number of prognostic indexes have been developed to predict the outcome of patients with severe heart failure (HF). In patients with mild to moderate HF, however, there is no consensus regarding the usefulness of such indexes. The goal of this study is to determine the prognostic value of selected clinical variables in the latter group of patients. We prospectively evaluated the prognostic value of the functional capacity evaluation, the ventricular function, biochemical metabolic indicators, and brain natriuretic peptide (BNP) levels in 139 consecutive patients with mild to moderate HF. A clinical and echocardiographic examination (M-mode, 2D and pulsed Doppler of the mitral inflow); a 6-minute walk test; and a determination of serum sodium, uric acid, and BNP levels were performed. Death by any cause was predefined as the study end-point. Variables found to be related with survival in a univariate Cox regression analysis were NYHA class; ischemic origin for HF; left ventricular ejection fraction; deceleration time of the E wave; and 6-minute walk distance, serum sodium, uric acid, and BNP levels. In a multivariate analysis, ischemic origin of HF, 6-minute walk distance, deceleration time of the E wave, and BNP levels were found to be independent prognostic factors. The clustering of the independent prognostic factors was associated with the worse prognosis. These results suggest that the noninvasive evaluation used in this study and in our population of patients with mild to moderate HF allows the identification of individuals with the worst prognosis. The selected variables might prove to be very helpful in stratifying HF patients and identifying those that might benefit the most from a HF management program.
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                Author and article information

                Journal
                CRD
                Cardiology
                10.1159/issn.0008-6312
                Cardiology
                S. Karger AG
                0008-6312
                1421-9751
                2002
                November 2002
                07 November 2002
                : 98
                : 3
                : 113-115
                Affiliations
                Department of Medicine, Hospital S. João, Faculdade de Medicina, Universidade do Porto, Unidade de Investigação e Desenvolvimento Cardiovascular, Porto, Portugal
                Article
                66319 Cardiology 2002;98:113–115
                10.1159/000066319
                12417808
                © 2002 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
                Figures: 2, References: 11, Pages: 3
                Categories
                General Cardiology

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