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      Heart Rate Behavior in Children with Atrial Septal Defect

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          Abstract

          The aim of this study was to assess heart rate variability, a noninvasive parameter for studying the neurohumoral control of heart rate, in children with atrial septal defect. We examined five time-domain and three frequency-domain indices of heart rate variability determined from 24-hour Holter recordings in 20 children, aged 3–14 years, with secundum atrial septal defect who were about to undergo operation. The measures were compared to normal ranges and to the hemodynamic data of the preoperative cardiac catheterization. Most indices of heart rate variability were moderately depressed in children with atrial septal defect. Our data revealed negative correlations between indices and the mean right atrial pressure and the enddiastolic right ventricular pressure, respectively. The study demonstrates the importance of the right ventricular filling pressures for the autonomic control of the heart in children with atrial septal defect.

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          Normal Ranges of Heart Rate Variability During Infancy and Childhood

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            Author and article information

            Journal
            CRD
            Cardiology
            10.1159/issn.0008-6312
            Cardiology
            S. Karger AG
            0008-6312
            1421-9751
            1998
            March 1999
            22 March 1999
            : 90
            : 4
            : 269-273
            Affiliations
            a Division of Pediatric Cardiology, CHR Citadelle (University of Liège), Liège, Belgium; b Department of Pediatric Cardiology, Klinikum (RWTH Aachen), Aachen, Germany
            Article
            6857 Cardiology 1998;90:269–273
            10.1159/000006857
            10085488
            © 1998 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: 3, Tables: 1, References: 21, Pages: 5
            Categories
            Congenital Heart Disease

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