Fig. 3.

Ultra-high-resolution photon-counting detector CT angiography (PCD-CTA) of the heart of an 89-year-old male patient with severe aortic valve stenosis and a history of coronary stent implantation. A Three-dimensional cinematic rendering of the heart. There is a kissing stent in the left main artery, proximal left circumflex artery, and proximal left anterior descending artery (LAD) (white arrow). Note two additional stents in the distal LAD (arrowhead) and in the proximal right coronary artery. B Curved multiplanar reformation of the LAD. In-stent stenosis could be confidently excluded in UHR PCD-CTA by both readers. The proximal kissing stent was valued as excellent (Likert 1) by both readers, and the distal LAD stent was valued as “impaired”—Likert 4 by one reader—and as “moderate”—Likert 3 by another. C Invasive coronary angiography of the same patient with a 30° right anterior oblique view, verifying stent patency