Next-Generation Hardware Advances in CT: Cardiac Applications

Impending major hardware advances in cardiac CT include three areas: ultra-high-resolution (UHR) CT, photon-counting CT, and phase-contrast CT. Cardiac CT is a particularly demanding CT application that requires a high degree of temporal resolution, spatial resolution, and soft-tissue contrast in a...

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Veröffentlicht in:	Radiology 2021-01, Vol.298 (1), p.3-17
Hauptverfasser:	Kwan, Alan C, Pourmorteza, Amir, Stutman, Dan, Bluemke, David A, Lima, João A C
Format:	Artikel
Sprache:	eng
Schlagworte:	Heart - diagnostic imaging Heart Diseases - diagnostic imaging Humans Reviews and Tomography, X-Ray Computed - methods Tomography, X-Ray Computed - trends
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creator	Kwan, Alan C Pourmorteza, Amir Stutman, Dan Bluemke, David A Lima, João A C
description	Impending major hardware advances in cardiac CT include three areas: ultra-high-resolution (UHR) CT, photon-counting CT, and phase-contrast CT. Cardiac CT is a particularly demanding CT application that requires a high degree of temporal resolution, spatial resolution, and soft-tissue contrast in a moving structure. In this review, cardiac CT is used to highlight the strengths of these technical advances. UHR CT improves visualization of calcified and stented vessels but may result in increased noise and radiation exposure. Photon-counting CT uses multiple photon energies to reduce artifacts, improve contrast resolution, and perform material decomposition. Finally, phase-contrast CT uses x-ray refraction properties to improve spatial and soft-tissue contrast. This review describes these hardware advances in CT and their relevance to cardiovascular imaging.
doi_str_mv	10.1148/radiol.2020192791
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subjects	Heart - diagnostic imaging Heart Diseases - diagnostic imaging Humans Reviews and Tomography, X-Ray Computed - methods Tomography, X-Ray Computed - trends
title	Next-Generation Hardware Advances in CT: Cardiac Applications
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