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Quantitative stress echocardiography enables calculation of left-ventricular power-to-mass ratio (LVPMR) at peak exercise, a novel measure of cardiac performance per unit mass of myocardial tissue. We hypothesized that LVPMR at peak exercise provides prognostic information beyond established echocardiographic indices such as left-ventricular ejection fraction (LVEF) and left-ventricular mass index (LVMI).

cardiology

Left-Ventricular Power-to-Mass Ratio at Peak Exercise Predicts Mortality, Heart Failure, and Cardiovascular Events in Patients with Stable Coronary Artery Disease: Data from the Heart and Soul Study