Search Results - "Pourmorteza, Amir"

Photon‐counting CT for simultaneous imaging of multiple contrast agents in the abdomen: An in vivo study by Symons, Rolf, Krauss, Bernhard, Sahbaee, Pooyan, Cork, Tyler E., Lakshmanan, Manu N., Bluemke, David A., Pourmorteza, Amir

“…Purpose To demonstrate the feasibility of spectral imaging using photon‐counting detector (PCD) x‐ray computed tomography (CT) for simultaneous material…”
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Spectral photon-counting CT in cardiovascular imaging by Sandfort, Veit, Persson, Mats, Pourmorteza, Amir, Noël, Peter B., Fleischmann, Dominik, Willemink, Martin J.

“…Photon-counting computed tomography (PCCT) is an emerging technology promising to substantially improve cardiovascular imaging. Recent engineering and…”
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A Computational Framework for Personalized Blood Flow Analysis in the Human Left Atrium by Otani, Tomohiro, Al-Issa, Abdullah, Pourmorteza, Amir, McVeigh, Elliot R., Wada, Shigeo, Ashikaga, Hiroshi

“…Atrial fibrillation (AF), the most common human arrhythmia, is a marker of an increased risk of embolic stroke. However, recent studies suggest that AF may not…”
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Next-Generation Hardware Advances in CT: Cardiac Applications by Kwan, Alan C, Pourmorteza, Amir, Stutman, Dan, Bluemke, David A, Lima, João A C

“…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…”
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Coronary CT Angiography: Variability of CT Scanners and Readers in Measurement of Plaque Volume by Symons, Rolf, Morris, Justin Z, Wu, Colin O, Pourmorteza, Amir, Ahlman, Mark A, Lima, João A C, Chen, Marcus Y, Mallek, Marissa, Sandfort, Veit, Bluemke, David A

“…Purpose To determine reader and computed tomography (CT) scan variability for measurement of coronary plaque volume. Materials and Methods This HIPAA-compliant…”
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Dual-contrast agent photon-counting computed tomography of the heart: initial experience by Symons, Rolf, Cork, Tyler E., Lakshmanan, Manu N., Evers, Robert, Davies-Venn, Cynthia, Rice, Kelly A., Thomas, Marvin L., Liu, Chia-Ying, Kappler, Steffen, Ulzheimer, Stefan, Sandfort, Veit, Bluemke, David A., Pourmorteza, Amir

“…To determine the feasibility of dual—contrast agent imaging of the heart using photon-counting detector (PCD) computed tomography (CT) to simultaneously assess…”
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Comprehensive use of cardiac computed tomography to guide left ventricular lead placement in cardiac resynchronization therapy by Behar, Jonathan M., MBBS, Rajani, Ronak, MD, Pourmorteza, Amir, PhD, Preston, Rebecca, MBBS, Razeghi, Orod, PhD, Niederer, Steve, PhD, Adhya, Shaumik, MD, Claridge, Simon, MBBS, Jackson, Tom, MBBS, Sieniewicz, Ben, MBBS, Gould, Justin, BSc, Carr-White, Gerry, PhD, Razavi, Reza, MD, McVeigh, Elliot, PhD, Rinaldi, Christopher Aldo, MD, FHRS

“…Background Optimal lead positioning is an important determinant of cardiac resynchronization therapy (CRT) response. Objective The purpose of this study was to…”
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Cardiac-induced motion of the pancreas and its effect on image quality of ultrahigh-resolution CT by Holmes, Thomas Wesley, Yu, Zhou, Thompson, Richard, Oshinski, John N., Pourmorteza, Amir

“…Recent advancements in diagnostic CT detector technology have made it possible to resolve anatomical features smaller than 20 LP/cm, referred to as…”
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Human embryonic stem cell-derived oligodendrocyte progenitors aid in functional recovery of sensory pathways following contusive spinal cord injury by All, Angelo H, Bazley, Faith A, Gupta, Siddharth, Pashai, Nikta, Hu, Charles, Pourmorteza, Amir, Kerr, Candace

“…Transplantations of human stem cell derivatives have been widely investigated in rodent models for the potential restoration of function of neural pathways…”
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Photon-counting CT to Virtual Noncontrast CT Images by Pourmorteza, Amir

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Photon-counting CT: Scouting for Quantitative Imaging Biomarkers by Pourmorteza, Amir

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Optimized energy of spectral CT for infarct imaging: Experimental validation with human validation by Sandfort, Veit, MD, Palanisamy, Srikanth, MS, Symons, Rolf, MD, Pourmorteza, Amir, PHD, Ahlman, Mark A., MD, Rice, Kelly, DVM, Thomas, Tom, DVM, Davies-Venn, Cynthia, PHD, Krauss, Bernhard, PHD, Kwan, Alan, MD, Pandey, Ankur, MD, Zimmerman, Stefan L., MD, Bluemke, David A., MD PHD

“…Abstract Objectives Late contrast enhancement visualizes myocardial infarction, but the contrast to noise ratio (CNR) is low using conventional CT. The aim of…”
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Automatic high-resolution infarct detection using volumetric multiphase dual-energy CT by Sandfort, Veit, MD, Kwan, Alan C., MD, Elumogo, Comfort, BS, Vigneault, Davis M., BS, Symons, Rolf, MD, Pourmorteza, Amir, PHD, Rice, Kelly, DVM, Davies-Venn, Cynthia, PHD, Ahlman, Mark A., MD, Liu, Chia-Ying, PHD, Zimmerman, Stefan L., MD, Bluemke, David A., MD PHD

“…Abstract Objectives Late contrast enhancement CT (LCE-CT) visualizes the presence of myocardial infarcts. Differentiation of the contrast-enhanced infarct from…”
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Photon-counting CT: Technical Principles and Clinical Prospects by Willemink, Martin J, Persson, Mats, Pourmorteza, Amir, Pelc, Norbert J, Fleischmann, Dominik

“…Photon-counting CT is an emerging technology with the potential to dramatically change clinical CT. Photon-counting CT uses new energy-resolving x-ray…”
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Electrophysiological evaluation of sensory and motor pathways after incomplete unilateral spinal cord contusion by Bazley, Faith A, Hu, Charles, Maybhate, Anil, Pourmorteza, Amir, Pashai, Nikta, Thakor, Nitish V, Kerr, Candace L, All, Angelo H

“…Unilateral contusions represent an increasingly popular model for studying the pathways and recovery mechanisms of spinal cord injury (SCI). Current studies…”
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Phase-Contrast CT: A Grand Challenge for Radiology by Bluemke, David A, Pourmorteza, Amir

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Coronary artery calcium scoring with photon-counting CT: first in vivo human experience by Symons, Rolf, Sandfort, Veit, Mallek, Marissa, Ulzheimer, Stefan, Pourmorteza, Amir

“…To evaluate the performance of photon-counting detector (PCD) computed tomography (CT) for coronary artery calcium (CAC) score imaging at standard and reduced…”
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Dose Efficiency of Quarter-Millimeter Photon-Counting Computed Tomography: First-in-Human Results by Pourmorteza, Amir, Symons, Rolf, Henning, André, Ulzheimer, Stefan, Bluemke, David A

“…PURPOSEThe aim of this study was to assess the clinical feasibility, image quality, and radiation dose implications of 0.25-mm imaging mode in a cohort of…”
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Abdominal Imaging with Contrast-enhanced Photon-counting CT: First Human Experience by Pourmorteza, Amir, Symons, Rolf, Sandfort, Veit, Mallek, Marissa, Fuld, Matthew K, Henderson, Gregory, Jones, Elizabeth C, Malayeri, Ashkan A, Folio, Les R, Bluemke, David A

“…To evaluate the performance of a prototype photon-counting detector (PCD) computed tomography (CT) system for abdominal CT in humans and to compare the results…”
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Photon-Counting Computed Tomography for Vascular Imaging of the Head and Neck: First In Vivo Human Results by Symons, Rolf, Reich, Daniel S, Bagheri, Mohammadhadi, Cork, Tyler E, Krauss, Bernhard, Ulzheimer, Stefan, Kappler, Steffen, Bluemke, David A, Pourmorteza, Amir

“…PURPOSEThe purpose of this study was to evaluate image quality of a spectral photon-counting detector (PCD) computed tomography (CT) system for evaluation of…”
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