Diagnostic Performance Of Coronary Ct Angiography Compared To Invasive Coronary Angiography In A Large Academic Practice

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Introduction: Coronary CT angiography (CCTA) is increasingly used to assess coronary artery disease (CAD) and triage patients for invasive coronary angiography (ICA). Literature shows high negative predictive value, sensitivity, and accuracy of CCTA to detect stenosis using ICA as a gold standard, however analyses are usually done post-hoc with multi-reader agreement in a core lab setting and on a lower risk population. Data on CCTA performance compared to ICA in live clinical practice or with high risk patients are relatively sparse.