Cardiac imaging with photon counting CT

T Flohr, B Schmidt, S Ulzheimer… - The British journal of …, 2023 - academic.oup.com
CT of the heart, in particular ECG-controlled coronary CT angiography (cCTA), has become
clinical routine due to rapid technical progress with ever new generations of CT equipment …

Photon counting CT: technical principles, clinical applications, and future prospects

Y Wu, Z Ye, J Chen, L Deng, B Song - Academic Radiology, 2023 - Elsevier
Photon-counting computed tomography (PCCT) is a new technique that utilizes photon-
counting detectors to convert individual X-ray photons directly into an electrical signal, which …

Photon-counting detector CT virtual monoenergetic images for coronary artery stenosis quantification: phantom and in vivo evaluation

EV Wolf, MC Halfmann, A Varga-Szemes… - American Journal of …, 2024 - ajronline.org
BACKGROUND. Calcium blooming causes stenosis overestimation on coronary CTA.
OBJECTIVE. The purpose of this article was to evaluate the impact of virtual monoenergetic …

Coronary artery calcium scoring using virtual versus true noncontrast images from photon-counting coronary CT angiography

NP Haag, AE Michael, S Lennartz, C Panknin… - Radiology, 2024 - pubs.rsna.org
Background Coronary artery calcium scoring (CACS) for coronary artery disease requires
true noncontrast (TNC) CT alongside contrast-enhanced coronary CT angiography (CCTA) …

Photon-counting detector CT reduces the rate of referrals to invasive coronary angiography as compared to CT with whole heart coverage energy-integrating detector

J Simon, Á Hrenkó, NM Kerkovits, K Nagy… - Journal of …, 2024 - Elsevier
Background We sought to compare the degree of maximal stenosis and the rate of invasive
coronary angiography (ICA) recommendations in patients who underwent coronary CT …

[HTML][HTML] Intra-individual comparison of coronary CT angiography-based FFR between energy-integrating and photon-counting detector CT systems

E Zsarnoczay, D Pinos, UJ Schoepf, N Fink… - International Journal of …, 2024 - Elsevier
Background Coronary computed tomography angiography (CCTA)-based fractional flow
reserve (CT-FFR) allows for noninvasive determination of the functional severity of anatomic …

Artificial intelligence in coronary artery calcium score: rationale, different approaches, and outcomes

AG Gennari, A Rossi, CN De Cecco… - The international journal …, 2024 - Springer
Almost 35 years after its introduction, coronary artery calcium score (CACS) not only
survived technological advances but became one of the cornerstones of contemporary …

Cardiovascular computed tomography in the diagnosis of cardiovascular disease: Beyond lumen assessment

Z Sun, J Silberstein, M Vaccarezza - Journal of Cardiovascular …, 2024 - mdpi.com
Cardiovascular CT is being widely used in the diagnosis of cardiovascular disease due to
the rapid technological advancements in CT scanning techniques. These advancements …

Ex vivo coronary calcium volume quantification using a high-spatial-resolution clinical photon-counting-detector computed tomography

JF Marsh Jr, PD VanMeter, K Rajendran… - Journal of Medical …, 2023 - spiedigitallibrary.org
Purpose Coronary artery calcification (CAC) is an important indicator of coronary disease.
Accurate volume quantification of CAC is challenging using computed tomography (CT) due …

[HTML][HTML] Photon-counting versus dual-source CT for transcatheter aortic valve implantation planning

T Dirrichs, J Schröder, M Frick, M Huppertz, R Iwa… - Academic …, 2024 - Elsevier
Background Cardiovascular CT is required for planning transcatheter aortic valve
implantation (TAVI). Purpose To compare image quality, suitability for TAVI planning, and …