Key result
Exercise echocardiography demonstrated significantly higher diagnostic accuracy than exercise electrocardiography for detecting coronary artery disease in hypertensive patients (94% vs 69%).
Why the study?
Does exercise echocardiography improve diagnostic accuracy for coronary artery disease compared to exercise ECG in hypertensive patients?
Population
118 patients (59 hypertensive and 59 normotensive) undergoing coronary angiography for chest pain
Comparison
Upright bicycle exercise echocardiography vs Upright bicycle exercise electrocardiography (ECG)
Design
Cross-sectional
Authors
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May support exercise echocardiography for CAD detection in hypertension; leaves open randomized confirmation of superiority.
Cross-Sectional (n=118)
Does exercise echocardiography improve diagnostic accuracy for coronary artery disease compared to exercise ECG in hypertensive patients?
Absolute Event Rate: 94% vs 69%
Exercise echocardiography is significantly more accurate than exercise ECG for detecting coronary artery disease in hypertensive patients, and its diagnostic performance is maintained even after pharmacological blood pressure normalization.
Maltagliati et al. (2000) conducted a cross-sectional in Coronary artery disease in hypertension (n=118). Exercise echocardiography vs. Exercise electrocardiography was evaluated on Diagnostic accuracy for detecting significant CAD (>50% lumen narrowing) in hypertensives. Exercise echocardiography demonstrated significantly higher diagnostic accuracy than exercise electrocardiography for detecting coronary artery disease in hypertensive patients (94% vs 69%).
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