Prognostic value of non-invasive coronary computed tomography angiography: where are we now?
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Coronary computed tomography angiography (CCTA) has become a robust non-invasive method in recent years for evaluating coronary atherosclerosis . High quality CCTA (64 slice and higher) is currently probably the most sensitive non-invasive modality for diagnosing obstructive and non-obstructive coronary artery disease (CAD), with high negative predictive value [1, 2]. This is not surprising considering that CCTA examines coronary anatomy (or minimal luminal diameter), while other non-invasive methods invoking physiologic stress (such as myocardial perfusion imaging or stress echocardiography) evaluate the physiologic consequences of coronary arterial narrowing, i.e. myocardial ischemia. Regarding prognosis, however, the degree of inducible myocardial ischemia or the presence of extensive myocardial fibrosis and reduced left ventricular function as assessed by physiologic testing are indeed established powerful predictors of adverse cardiac events [3, 4, 5, 6, 7]. For this reason,...
KeywordsCompute Tomography Angiography Coronary Compute Tomography Angiography Obstructive Coronary Artery Disease Conventional Coronary Angiography Vessel Coronary Artery Disease
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