| Exercise test predictors of ambulatory silent ischemia during daily life in stable angina pectoris. | |
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MedLine Citation:
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PMID: 2239716 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The predictive value of several exercise test parameters in identifying stable angina patients at risk of silent myocardial ischemia during daily life were examined. A total of 97 patients with coronary artery disease, stable angina and ambulatory electrocardiographic data were evaluated. Of the 86 patients with a positive exercise test, 39 (group 1) had greater than or equal to 1 episodes of ST-segment depression and 47 (group 2) did not develop ST changes during ambulatory electrocardiographic monitoring. Comparison of the exercise test parameters between the 2 groups revealed early onset of ischemia during exercise tests as the single most significant (p less than 0.0005) predictor of ambulatory silent ischemia. The other exercise test parameters showing significant differences between the 2 groups were the peak exercise heart rate (117 +/- 23 vs 126 +/- 20 beats/min, p less than 0.05) and peak systolic blood pressure (160 +/- 27 vs 176 +/- 27 mm Hg, p less than 0.01), both of which were significantly lower in the group 1 patients. These data were used to derive simple mathematical formulas for calculating the risk of ambulatory silent ischemia. These results demonstrate that stable angina patients at risk of silent ischemia during daily life can be accurately identified by evaluation of selected exercise test parameters. |
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Authors:
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P C Deedwania; E V Carbajal |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Journal Article |
Journal Detail:
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Title: The American journal of cardiology Volume: 66 ISSN: 0002-9149 ISO Abbreviation: Am. J. Cardiol. Publication Date: 1990 Nov |
Date Detail:
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Created Date: 1990-12-14 Completed Date: 1990-12-14 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0207277 Medline TA: Am J Cardiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1151-6 Citation Subset: AIM; IM |
Affiliation:
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Department of Medicine, Department of Veterans Affairs Medical Center, Fresno, California 93703. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Activities of Daily Living* Angina Pectoris / diagnosis, epidemiology* Coronary Disease / diagnosis, epidemiology Decision Trees Electrocardiography, Ambulatory* Exercise Test* Humans Male Middle Aged Models, Theoretical Predictive Value of Tests Prospective Studies Risk Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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