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RISComputational Study of Computed Tomography Contrast Gradients in Models of Stenosed Coronary Arteries
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent computed tomography coronary angiography (CCTA) studies have noted higher transluminal contrast agent gradients in arteries with stenotic lesions, but the physical mechanism responsible for these gradients is not ...
A Noninvasive Assessment of Flow Based on Contrast Dispersion in Computed Tomography Angiography: A Computational and Experimental Phantom Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transluminal attenuation gradient (TAG), defined as the gradient of the contrast agent attenuation drop along the vessel, is an imaging biomarker that indicates stenosis in the coronary arteries. The transluminal attenuation ...