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Table of Contents
Vol. 104, No. 3, 2005
Issue release date: September 2005
Section title: General Cardiology
Cardiology 2005;104:138–142
(DOI:10.1159/000087634)

Dobutamine Stress Echo Is Superior to Exercise Stress Testing in Achieving Target Heart Rate among Patients on Beta Blockers

Sabbath A. · Pack M. · Markiewicz R. · John J. · Gaballa M. · Goldman S. · Thai H.
Southern Arizona VA Health Care System, University of Arizona, Sarver Heart Center Tucson, Ariz., USA

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Article / Publication Details

First-Page Preview
Abstract of General Cardiology

Received: March 09, 2005
Accepted: March 15, 2005
Published online: September 15, 2005
Issue release date: September 2005

Number of Print Pages: 5
Number of Figures: 4
Number of Tables: 1

ISSN: 0008-6312 (Print)
eISSN: 1421-9751 (Online)

For additional information: http://www.karger.com/CRD

Abstract

Published guidelines recommend continuing β-adrenergic receptor blockade in patients undergoing stress testing. We evaluated the role of pharmacological versus exercise stress testing in achieving target heart rate (THR) among patients on β-adrenergic blockade. We compared data from 140 patients who underwent dobutamine stress echo (DSE) and 143 patients who underwent exercise treadmill testing (ETT). In both groups, β-adrenergic blocker was continued at the time of stress testing. Overall, patients undergoing DSE achieved THR more frequently than ETT. With β-adrenergic blockade, DSE patients met THR more frequently than ETT patients (p < 0.001). Without β-adrenergic blockade, there was no difference between either modality in achieving THR. In both DSE and ETT patients, absence of β-adrenergic blockade increased the odds of achieving THR [odds ratio (OR): 2.46, p = 0.042 and OR: 7.44, p < 0.001, respectively]. Atropine use with DSE increased the odds of achieving THR (OR: 3.76, p = 0.006). In conclusion, pharmacological stress testing appears to be superior to exercise stress testing in achieving THR among patients on β-adrenergic blockade.

© 2005 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of General Cardiology

Received: March 09, 2005
Accepted: March 15, 2005
Published online: September 15, 2005
Issue release date: September 2005

Number of Print Pages: 5
Number of Figures: 4
Number of Tables: 1

ISSN: 0008-6312 (Print)
eISSN: 1421-9751 (Online)

For additional information: http://www.karger.com/CRD


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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.
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