Early Detection of Myocardial Ischemia after Successful Percutaneous Coronary Angioplasty

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Abstract

We evaluated the functional significance of angiographically successful percutaneous transluminal coronary angioplasty (PTCA) in 50 patients before and after PTCA using an atrial pacing stress test. Before balloon angioplasty, 40/50 patients had transient ST-segment changes on the intracoronary (IC) ECG. After PTCA 14/50 patients continued to have ischemic changes on IC-ECG. Atrial pacing stress tests can be performed easily in the cardiac catheterization laboratory. Despite angiographically successful dilatation, 28% of the patients have inducible ischemia indicating functionally inadequate dilatation. Inadequate functional dilatation may contribute to early return of symptoms in some patients.

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Author and article information

Journal

Journal ID (publisher-id): CRD

Journal ID (nlm-ta): Cardiology

Journal ID (doi): 10.1159/issn.0008-6312

Title: Cardiology

Publisher: S. Karger AG

ISSN (Print): 0008-6312

ISSN (Electronic): 1421-9751

Publication date Subscription-year: 1997

Publication date (Print): 1997

Publication date (Electronic): 21 November 2008

Volume: 88

Issue: 6

Pages: 533-539

Affiliations

Division of Cardiology, Department of Medicine, San Antonio, Tex., USA

Article

Publisher ID: 177405 Other ID: Cardiology 1997;88:533–539

DOI: 10.1159/000177405

PubMed ID: 9397308

SO-VID: a163dace-fe63-4adb-b312-7077c114ef39

License:

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.

History

Date received : 15 October 1996

Date accepted : 12 November 1996

Page count

Pages: 7

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