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      Effects of Spinal Cord Stimulation and Coronary Artery Bypass Grafting on Myocardial Ischemia and Heart Rate Variability: Further Results from the ESBY Study

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          Abstract

          In the present study, 24-hour ECG recordings were analyzed from the Electrical Stimulation versus Coronary Artery Bypass Surgery (ESBY) Study where spinal cord stimulation was compared to CABG (coronary artery bypass grafting) in selected patients with severe angina pectoris. During the monitoring period, the spinal cord stimulation was discontinued to evaluate possible long-term effects of this treatment. The number of ischemic episodes and the duration of ischemia decreased in the CABG group at the follow-up when compared to spinal cord stimulation (p < 0.05). In spite of this, the number of anginal attacks decreased (p < 0.0001) in both groups. The fact that the anginal symptoms decreased in the spinal cord stimulation group in spite of discontinued stimulation and lack of effects on ischemic ST changes could indicate a long-term primary analgesic effect of this treatment in addition to the well-documented acute anti-ischemic effect.

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          Foot salvage and improvement of microvascular blood flow as a result of epidural spinal cord electrical stimulation

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            Does Heart Rate Variability Change in Angina Pectoris Patients Treated with Spinal Cord Stimulation?

            To determine whether spinal cord stimulation has any effect on the autonomic nervous tone of the heart, heart rate variability was used as an indicator of autonomic nervous control of the heart. The components time domain and power spectral analyses of heart rate variability were measured in 21 patients with angina pectoris. Twenty-four-hour Holter recordings were obtained before and after 12 months with spinal cord stimulation. No significant attenuation of time domain or spectral components of heart rate variability analyses were found. Apparently, spinal cord stimulation does not influence the autonomic tone of the heart.
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              Author and article information

              Journal
              CRD
              Cardiology
              10.1159/issn.0008-6312
              Cardiology
              S. Karger AG
              0008-6312
              1421-9751
              2000
              November 2000
              22 November 2000
              : 94
              : 1
              : 12-18
              Affiliations
              aMultidisciplinary Pain Centre, Department of Medicine, and bDepartment of Clinical Physiology, Sahlgren’s University Hospital/Östra, Gothenburg, Sweden
              Article
              7040 Cardiology 2000;94:12–18
              10.1159/000007040
              11111139
              5e508153-a7ee-4169-b0dd-385dda4e857e
              © 2000 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: 4, Tables: 2, References: 37, Pages: 7
              Categories
              General Cardiology

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