Anomalous aortic origin of coronary artery (AAOCA) is rare but critical for the association with sudden cardiac death. In detecting the origin of AAOCA, coronary CT angiography is more accurate than invasive coronary angiography, but only with anatomical evaluation. A novel technology FFRCT, which is noninvasively computed by coronary CT image, can evaluate functional ischemia of coronary artery even without atherosclerotic plaque and has potential for innovation in AAOCA.
Keywords: AAOCA; CCTA; FFR; FFRCT.
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