Abstract
This lecture will provide an overview about the role of coronary CT angiografy (CCTA) in the evaluation of patients with atypical chest pain based on the state-of- the-art CT technology. Due to very high negative predictive value of CCTA to identify significant coronary stenosis, CCTA has a potential to reduce unnecessary catheterizations in patients with possible stable angina and acute coronary syndrome. In contrast, CCTA alone has moderate specificity which may increase downstream testing (i.e., lack of functional information). To offset the drawback, recent techniques such as noninvasive fractional flow reserve (CT-FFR) and CT stress myocardial perfusion imaging have been developed. In this regard, the lecture will discuss what the additive roles of these techniques are. The lecture will also cover limitations of CCTA to explain why we can't complete forget about catheters just yet, even though there has been remarkable progress in the latest CT technology.
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