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2009, Number 4

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Rev Mex Cardiol 2009; 20 (4)

Exercise treadmill testing utility in asymptomatic subjects

Cruz-Cervantes R, González-Bravo FE, Murillo-Ortíz B, Solorio S, Hernández-González M

Language: Spanish
References: 34
Page: 190-196
PDF size: 99.37 Kb.


ABSTRACT

Objective: To evaluate the exercise treadmill testing utility in asymptomatic subjects with cardiovascular risk factors, to identify coronary arterial disease. Methods: Cross-sectional study, in men ≥ 40 years old or post-menopause female, asymptomatic, with cardiovascular risk factors, without treadmill test or coronary arteriography contraindications. In all patients both procedures were done. Statistical analysis: To evaluate the test utility Odds ratio and 95% confidence intervals, Spearman’s correlation (p ≤ 0.05) and Bayesian analysis were made. Results: They were 18 subjects; ten men and eight female, with 58.5 ± 9.3 years old, 10 with positive treadmill test; 12 with coronary artery disease. The hypertension, smoking and hypercholesterolemia association had 7 odds ratio to the coronary artery disease probability. The Spearman’s correlation between procedures is r = 0.316 (p ≤ 0.05). Sensitivity, specificity, positive predictive value and negative predictive value exercise testing were 0.66, 0.66, 0.80 and 0.50 respectively. Conclusion: The treadmill test detects silent ischemia properly in asymptomatic subjects.


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