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Improving the Positive Predictive Value of Exercise Testing in Women for Coronary Artery Disease.
MedLine Citation:
PMID:  23018079     Owner:  NLM     Status:  Publisher    
The exercise treadmill test (ETT) in women has been limited by a low positive predictive value (PPV) for coronary artery disease (CAD). However, the reliability of previous studies was unsatisfactory because of the inclusion of younger women with a low prevalence of CAD. To further evaluate the diagnostic properties of the ETT in women, we evaluated a group of women with chest pain who had a positive ETT result and subsequent coronary angiography. Of the 111 women, 56 had significant CAD on angiogram, yielding a PPV of 51% for the group. However, inclusion in the analysis of several pretest attributes and specific exercise test responses improved the PPV of the ETT. Age had a major effect, with the youngest group (35 to 50 years old) having a PPV of 36% compared to 68% in the oldest group (>65 years old). Several specific exercise responses (ST-segment depression >2 mm and delayed ST-segment recovery >3.0 minutes) further separated true from false positives across all age groups, increasing the PPV to approximately 80%. Onset of ischemia at a relatively low cardiac workload of <80% maximum predicted heart rate was not a significant predictor. In conclusion, the standard ETT should remain the test of choice in ambulatory women with chest pain and no significant abnormalities on baseline electrocardiogram especially in those >65 years of age.
Jeffrey M Levisman; Karen Aspry; Ezra A Amsterdam
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-24
Journal Detail:
Title:  The American journal of cardiology     Volume:  -     ISSN:  1879-1913     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Division of Cardiovascular Medicine, University of California (Davis) Medical Center, Sacramento, California.
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