Search Results - "Saba, Osama"

Feasibility of Dual-Energy CT in the Arterial Phase: Imaging After Endovascular Aortic Repair by NUMBURI, Uma D, SCHOENHAGEN, Paul, FLAMM, Scott D, GREENBERG, Roy K, PRIMAK, Andrew N, SABA, Osama I, LIEBER, Michael L, HALLIBURTON, Sandra S

“…The purpose of this study was to investigate replacing unenhanced and arterial single-energy CT acquisitions after endovascular aneurysm repair with one…”
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CT-measured regional specific volume change reflects regional ventilation in supine sheep by Fuld, Matthew K, Easley, R. Blaine, Saba, Osama I, Chon, Deokiee, Reinhardt, Joseph M, Hoffman, Eric A, Simon, Brett A

“…Departments of 1 Anesthesiology and Critical Care Medicine, and 2 Medicine, The Johns Hopkins University, Baltimore, Maryland; and Departments of 3 Radiology,…”
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Maximizing quantitative accuracy of lung airway lumen and wall measures obtained from X-ray CT imaging by Saba, Osama I, Hoffman, Eric A, Reinhardt, Joseph M

“…Departments of Radiology and Biomedical Engineering, University of Iowa, Iowa City, Iowa 52242 Submitted 2 November 2002 ; accepted in final form 2 May 2003 To…”
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Effect of low-xenon and krypton supplementation on signal/noise of regional CT-based ventilation measurements by Chon, Deokiee, Beck, Kenneth C, Simon, Brett A, Shikata, Hidenori, Saba, Osama I, Hoffman, Eric A

“…Departments of 1 Radiology and 2 Biomedical Engineering, University of Iowa, Iowa City, Iowa; 3 Department of Anesthesiology and Critical Care Medicine, The…”
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A Segmentation-Based Method for Metal Artifact Reduction by Yu, Hengyong, PhD, Zeng, Kai, MS, Bharkhada, Deepak K., MS, Wang, Ge, PhD, Madsen, Mark T., PhD, Saba, Osama, PhD, Policeni, Bruno, MD, Howard, Matthew A., MD, Smoker, Wendy R.K., MS, MD, FACR

“…Rationale and Objectives We propose a novel segmentation-based interpolation method to reduce the metal artifacts caused by surgical aneurysm clips. Materials…”
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Optimal image reconstruction phase at low and high heart rates in dual-source CT coronary angiography by Araoz, Philip A., Kirsch, Jacobo, Primak, Andrew N., Braun, Natalie N., Saba, Osama, Williamson, Eric E., Harmsen, W. Scott, Mandrekar, Jayawant N., McCollough, Cynthia H.

“…The purpose of this study was to determine the cardiac phase having the highest coronary sharpness for low and high heart rate patients scanned with dual…”
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Differences in regional wash-in and wash-out time constants for xenon-CT ventilation studies by Chon, Deokiee, Simon, Brett A., Beck, Kenneth C., Shikata, Hidenori, Saba, Osama I., Won, Chulho, Hoffman, Eric A.

“…Xenon-enhanced computed tomography (Xe-CT) has been used to measure regional ventilation by determining the wash-in (WI) and wash-out (WO) rates of stable Xe…”
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Static versus prospective gated non-breath hold volumetric MDCT imaging of the lungs by Saba, Osama I, Chon, Deokiee, Beck, Kenneth, McLennan, Geoffrey, Sieren, Jered, Reinhardt, Joseph, Hoffman, Eric A

“…The study's aim is to establish lung-imaging methods that provide for the ability to image the lung under dynamic non-breath hold conditions while providing…”
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Correlation of histological findings from a large ciliochoroidal melanoma with CT perfusion and 3T MRI dynamic enhancement studies by Pulido, Jose S, Campeau, Norbert G, Klotz, Ernst, Primak, Andrew N, Saba, Osama, Gunduz, Kaan, Cantrill, Herbert, Salomão, Diva, McCollough, Cynthia H

“…The initial use of a 64-slice computed tomography (CT) scanner for obtaining quantitative perfusion data from a large ciliochoroidal melanoma, and correlation…”
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Dose performance of a 64-channel dual-source CT scanner by McCollough, Cynthia H, Primak, Andrew N, Saba, Osama, Bruder, Herbert, Stierstorfer, Karl, Raupach, Rainer, Suess, Christoph, Schmidt, Bernhard, Ohnesorge, Bernd M, Flohr, Thomas G

“…To prospectively compare the dose performance of a 64-channel multi-detector row computed tomographic (CT) scanner and a 64-channel dual-source CT scanner from…”
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High-Resolution Computed Tomography Imaging of Airway Disease in Infants with Cystic Fibrosis by Martinez, Tanya M, Llapur, Conrado J, Williams, Tamica H, Coates, Cathy, Gunderman, Richard, Cohen, Mervyn D, Howenstine, Michelle S, Saba, Osama, Coxson, Harvey O, Tepper, Robert S

“…The development of early lung disease in patients with cystic fibrosis (CF) remains poorly defined. Determine whether asymptomatic infants with CF have…”
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Characterization of the interstitial lung diseases via density-based and texture-based analysis of computed tomography images of lung structure and function by Hoffman, Eric A, Reinhardt, Joseph M, Sonka, Milan, Simon, Brett A, Guo, Junfeng, Saba, Osama, Chon, Deokiee, Samrah, Shaher, Shikata, Hidenori, Tschirren, Juerg, Palagyi, Kalman, Beck, Kenneth C, McLennan, Geoffrey

“…Efforts to establish a quantitative approach to the computed tomography (CT)-based character ization of the lung parenchyma in interstitial lung disease…”
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Adaptive bolus chasing computed tomography angiography: Control scheme and experimental results by Cai, Zhijun, Erdahl, Colbin, Zeng, Kai, Potts, Tom, Sharafuddin, Melhem, Saba, Osama, Wang, Ge, Bai, Er-Wei

“…In this paper, a new adaptive bolus-chasing control scheme is proposed to synchronize the bolus peak in a patient's vascular system and the imaging aperture of…”
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Dual-source computed tomographic temporal resolution provides higher image quality than 64-detector temporal resolution at low heart rates by Araoz, Philip A, Kirsch, Jacobo, Primak, Andrew N, Braun, Natalie N, Saba, Osama, Williamson, Eric E, Harmsen, W Scott, Mandrekar, Jayawant N, McCollough, Cynthia H

“…To compare coronary image quality at temporal resolutions associated with dual-source computed tomography (DSCT; 83 milliseconds) and 64-detector row scanning…”
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Projection-based bolus detection for computed tomographic angiography by Lu, Donghui, Bai, Erwei, Liu, Jie, Yu, Hengyong, Wei, Yuchuan, Cai, Zhijun, Sharafuddin, Melhem J, Golzarian, Jafar, Stolpen, Alan, Saba, Osama, Vannier, Michael, Wang, Ge

“…Computed tomographic (CT) angiography is important for imaging studies on cardiovascular structures, peripheral vessels, and solid organs. In practice, a CT…”
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A characterization of normal human airway tree geometry in-vivo over multiple lung volumes via standardized methods for volumetric CT imaging by Saba, Osama Ibrahim

“…To characterize normal human in vivo airway tree geometry at multiple lung volumes via multidetector row CT (MDCT), we have developed and verified a…”
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