Images in a 67-year-old man with severe aortic valve stenosis recurrence after surgical aortic valve replacement 6 years ago. (IMAGE)

Radiological Society of North America

Images in a 67-year-old man with severe aortic valve stenosis recurrence after surgical aortic valve replacement 6 years ago.

Caption

Images in a 67-year-old man with severe aortic valve stenosis recurrence after surgical aortic valve replacement 6 years ago and referral for valve-in-valve transcatheter aortic valve replacement CT. (A, B) Ultrahigh-resolution (UHR) coronary CT angiography (CCTA) on a first-generation dual-energy photon-counting scanner. (C, D) Cardiac CT images obtained with a second-generation dual-source energy-integrated CT scanner for planning this participant’s first aortic valve replacement 6 years prior to UHR CCTA. Note the superior image quality of UHR CCTA regarding vessel sharpness of the right coronary artery (arrowhead in B and D) and plaque visualization in the left anterior descending artery (arrow in A and C). Heart rates were comparable between UHR CCTA and cardiac CT (59 beats per minute vs 64 beats per minute, respectively), and contrast media and scan mode (electrocardiography-synchronized retrospective spiral scan) were similar.

Credit

Radiological Society of North America

Usage Restrictions

May use with credit.

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.