Search Results - "Symons, Rolf"

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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Left ventricular global myocardial strain assessment comparing the reproducibility of four commercially available CMR-feature tracking algorithms by Barreiro-Pérez, Manuel, Curione, Davide, Symons, Rolf, Claus, Piet, Voigt, Jens-Uwe, Bogaert, Jan

“…Objectives To compare the reproducibility of cardiovascular magnetic resonance feature-tracking (CMR-FT) packages to assess global left ventricular (LV)…”
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Impact of active smoking on myocardial infarction severity in reperfused ST-segment elevation myocardial infarction patients: the smoker's paradox revisited by Symons, Rolf, Masci, Pier Giorgio, Francone, Marco, Claus, Piet, Barison, Andrea, Carbone, Iacopo, Agati, Luciano, Galea, Nicola, Janssens, Stefan, Bogaert, Jan

“…To investigate the influence of cardiovascular risk factors (CV-RFs) on infarct severity and post-infarction left ventricular (LV) remodelling in acutely…”
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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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Left ventricular global myocardial strain assessment: Are CMR feature-tracking algorithms useful in the clinical setting? by Pierpaolo, Palumbo, Rolf, Symons, Manuel, Barreiro-Pérez, Davide, Curione, Dresselaers, Tom, Claus, Piet, Bogaert, Jan

“…Objectives Myocardial strains can be calculated using cardiovascular magnetic resonance (CMR) feature-tracking (FT) algorithms. They show excellent intra- and…”
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Value of CMR to Differentiate Cardiac Angiosarcoma From Cardiac Lymphoma by Colin, Geoffrey C., MD, Symons, Rolf, MD, Dymarkowski, Steven, MD, PhD, Gerber, Bernhard, MD, PhD, Bogaert, Jan, MD, PhD

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Giant right coronary artery aneurysm with vena cava superior fistula: a case report and radiological findings by van Grinsven, Vincent, Binst, Arizona, Rombouts, Hans, Symons, Rolf, De Praetere, Herbert

“…Background Giant coronary artery aneurysms (GCAA) are a rare disease entity with an estimated incidence of 0.02%. Atherosclerosis is the most common underlying…”
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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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Long-Term Incremental Prognostic Value of Cardiovascular Magnetic Resonance After ST-Segment Elevation Myocardial Infarction by Symons, Rolf, Pontone, Gianluca, Schwitter, Juerg, Francone, Marco, Iglesias, Juan Fernando, Barison, Andrea, Zalewski, Jaroslaw, de Luca, Laura, Degrauwe, Sophie, Claus, Piet, Guglielmo, Marco, Nessler, Jadwiga, Carbone, Iacopo, Ferro, Giovanni, Durak, Monika, Magistrelli, Paolo, Lo Presti, Alfonso, Aquaro, Giovanni Donato, Eeckhout, Eric, Roguelov, Christian, Andreini, Daniele, Vogt, Pierre, Guaricci, Andrea Igoren, Mushtaq, Saima, Lorenzoni, Valentina, Muller, Olivier, Desmet, Walter, Agati, Luciano, Janssens, Stefan, Bogaert, Jan, Masci, Pier Giorgio

“…This study sought to investigate whether early post-infarction cardiac magnetic resonance (CMR) parameters provide additional long-term prognostic value beyond…”
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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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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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Frailty and Mortality in Hospitalized Older Adults With COVID-19: Retrospective Observational Study by De Smet, Robert, Mellaerts, Bea, Vandewinckele, Hannelore, Lybeert, Peter, Frans, Eric, Ombelet, Sara, Lemahieu, Wim, Symons, Rolf, Ho, Erwin, Frans, Johan, Smismans, Annick, Laurent, Michaël R.

“…To determine the association between frailty and short-term mortality in older adults hospitalized for coronavirus disease 2019 (COVID-19). Retrospective…”
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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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Magnetic resonance relaxometry of the liver - a new imaging biomarker to assess right heart failure in pulmonary hypertension by Bogaert, Jan, Claessen, Guido, Dresselaers, Tom, Masci, Pier Giorgio, Belge, Catharina, Delcroix, Marion, Symons, Rolf

“…Right heart failure (RHF) in pulmonary hypertension (PH) patients is manifested by increased right atrial (RA) pressure. We hypothesized liver relaxation times…”
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Feasibility of Dose-reduced Chest CT with Photon-counting Detectors: Initial Results in Humans by Symons, Rolf, Pourmorteza, Amir, Sandfort, Veit, Ahlman, Mark A, Cropper, Tracy, Mallek, Marissa, Kappler, Steffen, Ulzheimer, Stefan, Mahesh, Mahadevappa, Jones, Elizabeth C, Malayeri, Ashkan A, Folio, Les R, Bluemke, David A

“…Purpose To investigate whether photon-counting detector (PCD) technology can improve dose-reduced chest computed tomography (CT) image quality compared with…”
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Assessment of Right-Sided Heart Failure in Patients with Dilated Cardiomyopathy using Magnetic Resonance Relaxometry of the Liver by Bogaert, Jan, Symons, Rolf, Rafouli-Stergiou, Pinelopi, Droogné, Walter, Dresselaers, Tom, Masci, Pier Giorgio

“…In non-ischemic dilated cardiomyopathy (DC) patients at risk of developing right heart failure (RHF), early depiction of congestive heart failure (CHF) is…”
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Inter-vendor reproducibility and accuracy of segmental left ventricular strain measurements using CMR feature tracking by Dobrovie, Monica, Barreiro-Pérez, Manuel, Curione, Davide, Symons, Rolf, Claus, Piet, Voigt, Jens-Uwe, Bogaert, Jan

“…Objectives Our aim was to evaluate the inter-vendor reproducibility of cardiovascular MR feature tracking (CMR-FT) for the measurement of segmental strain (SS)…”
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