Search Results - "Johnson, Thorsten R.C"

Worsening respiratory function in mechanically ventilated intensive care patients: Feasibility and value of xenon-enhanced dual energy CT by Hoegl, Sandra, Meinel, Felix G, Thieme, Sven F, Johnson, Thorsten R.C, Eickelberg, Oliver, Zwissler, Bernhard, Nikolaou, Konstantin

“…Abstract Objectives To evaluate the feasibility and incremental diagnostic value of xenon-enhanced dual-energy CT in mechanically ventilated intensive care…”
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Metal Artifact Reduction by Dual-Energy Computed Tomography Using Energetic Extrapolation: A Systematically Optimized Protocol by Meinel, Felix G, Bischoff, Bernhard, Zhang, Qiaowei, Bamberg, Fabian, Reiser, Maximilian F, Johnson, Thorsten R.C

“…OBJECTIVESEnergetic extrapolation is a promising strategy to reduce metal artifacts in dual-source computed tomography (DSCT). We performed this study to…”
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Dual-Energy Lung Perfusion Computed Tomography: A Novel Pulmonary Functional Imaging Method by Thieme, Sven F., MD, Johnson, Thorsten R.C., MD, Reiser, Maximilian F., MD, Nikolaou, Konstantin, MD

“…Dual-energy computed tomography (DECT) can be used for visualization of pulmonary microvascular contrast material distribution, representing regional…”
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Dual energy CT for the assessment of lung perfusion—Correlation to scintigraphy by Thieme, Sven F, Becker, Christoph R, Hacker, Marcus, Nikolaou, Konstantin, Reiser, Maximilian F, Johnson, Thorsten R.C

“…Abstract Purpose of this study was to determine the diagnostic value of dual energy CT in the assessment of pulmonary perfusion with reference to pulmonary…”
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Pelvimetry revisited: Analyzing cephalopelvic disproportion by Lenhard, Miriam S, Johnson, Thorsten R.C, Weckbach, Sabine, Nikolaou, Konstantin, Friese, Klaus, Hasbargen, Uwe

“…Abstract The objective of this study was to assess the clinical value of pelvimetry to predict dystocia due to cephalopelvic disproportion. 63 patients who had…”
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Diagnostic image quality of a comprehensive high-pitch dual-spiral cardiothoracic CT protocol in patients with undifferentiated acute chest pain by Bamberg, Fabian, Marcus, Roy, Sommer, Wieland, Schwarz, Florian, Nikolaou, Konstantin, Becker, Christoph R, Reiser, Maximilian F, Johnson, Thorsten R.C

“…Abstract Objective To evaluate diagnostic image quality of high-pitch dual source comprehensive cardiothoracic CT protocol in patients presenting with acute…”
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Image Quality of Virtual Noncontrast Images Derived from Dual-energy CT Angiography after Endovascular Aneurysm Repair by Sommer, Wieland H., MD, Graser, Anno, MD, Becker, Christoph R., MD, Clevert, Dirk A., MD, Reiser, Maximilian F., MD, Nikolaou, Konstantin, MD, Johnson, Thorsten R.C., MD

“…Purpose To compare true and “virtual” noncontrast images derived from dual-energy CT examinations in patients after endovascular repair of aortic aneurysms…”
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Influence of vascular enhancement, age and gender on pulmonary perfused blood volume quantified by dual-energy-CTPA by Meinel, Felix G, Graef, Anita, Sommer, Wieland H, Thierfelder, Kolja M, Reiser, Maximilian F, Johnson, Thorsten R.C

“…Abstract Objectives To determine the influence of technical and demographic parameters on quantification of pulmonary perfused blood volume (PBV) in dual…”
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Diagnostic Accuracy of Dynamic Computed Tomographic Angiographic of the Lower Leg in Patients With Critical Limb Ischemia by Sommer, Wieland H, Bamberg, Fabian, Johnson, Thorsten R.C, Weidenhagen, Rolf, Notohamiprodjo, Mike, Schwarz, Florian, Reiser, Maximilian F, Nikolaou, Konstantin

“…OBJECTIVEThe purpose of this study was to assess the diagnostic accuracy of dynamic computed tomographic angiography (dyn-CTA) in patients with critical lower…”
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Assessing Pulmonary Perfusion in Emphysema: Automated Quantification of Perfused Blood Volume in Dual-Energy CTPA by Meinel, Felix G, Graef, Anita, Thieme, Sven F, Bamberg, Fabian, Schwarz, Florian, Sommer, Wieland H, Helck, Andreas D, Neurohr, Claus, Reiser, Maximilian F, Johnson, Thorsten R.C

“…OBJECTIVESThe objective of this study was to determine whether automated quantification of lung perfused blood volume (PBV) in dual-energy computed tomographic…”
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Dual-Energy CT Colonography for Preoperative “One-Stop” Staging in Patients with Colonic Neoplasia by Schaeffer, Benno, MD, Johnson, Thorsten R.C., MD, Mang, Thomas, MD, Kreis, Martin E., MD, Reiser, Maximilian F., MD, Graser, Anno, MD

“…Rationale and Objectives To evaluate the benefits of dual-energy computed tomography (CT) colonography (DECTC) as a preoperative staging tool in patients with…”
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Adult presentation of combined unilateral atresia of the right proximal pulmonary artery and left patent ductus arteriosus: Case report and embryological considerations by Deutsch, Marcus-André, Thieme, Sven F, Hinterseer, Martin, Johnson, Thorsten R.C, Pfosser, Achim, Reichart, Bruno, Nikolaou, Konstantin, Behr, Jürgen

“…Abstract We report on a rare case of combined unilateral atresia of the proximal right pulmonary artery (PA) and left patent ductus arteriosus (PDA). A…”
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Optimization of contrast material administration for electrocardiogram-gated computed tomographic angiography of the chest by Johnson, Thorsten R C, Nikolaou, Konstantin, Wintersperger, Bernd J, Fink, Christian, Rist, Carsten, Leber, Alexander W, Knez, Andreas, Reiser, Maximilian F, Becker, Christoph R

“…Electrocardiogram-gated computed tomographic angiography is increasingly used in the differential diagnosis of acute chest pain. We studied the optimal timing…”
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PET-CT in Recurrent Ovarian Cancer: Impact on Treatment Planning by Lenhard, Miriam S, Burges, Alexander, Johnson, Thorsten R C, Stieber, Petra, Kümper, Carolin, Ditsch, Nina, Linke, Rainer, Friese, Klaus

“…Background: Positron emission tomography-computed tomography (PET-CT) is currently not established in the management of recurrent ovarian cancer. Here, its…”
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Dual-energy CT: general principles by Johnson, Thorsten R C

“…In dual-energy CT (DECT), two CT datasets are acquired with different x-ray spectra. These spectra are generated using different tube potentials, partially…”
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Limitations of the impact factor by Lenhard, Miriam S, Johnson, Thorsten R.C

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Detection of Cardiac Metastasis by Positron-Emission Tomography–Computed Tomography by Johnson, Thorsten R.C., Becker, Christoph R., Wintersperger, Bernd J., Herzog, Peter, Lenhard, Miriam S., Reiser, Maximilian F.

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Metal artifact reduction by dual energy computed tomography using monoenergetic extrapolation by Bamberg, Fabian, Dierks, Alexander, Nikolaou, Konstantin, Reiser, Maximilian F., Becker, Christoph R., Johnson, Thorsten R. C.

“…Objective The aim of the study was to assess the performance and diagnostic value of a dual energy CT approach to reduce metal artefacts in subjects with…”
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Dual energy CT: preliminary observations and potential clinical applications in the abdomen by Graser, Anno, Johnson, Thorsten R. C., Chandarana, Hersh, Macari, Michael

“…Dual energy CT (DECT) is a new technique that allows differentiation of materials and tissues based on CT density values derived from two synchronous CT…”
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Detection of Hemodynamically Significant Coronary Artery Stenosis: Incremental Diagnostic Value of Dynamic CT-based Myocardial Perfusion Imaging by BAMBERG, Fabian, BECKER, Alexander, JOHNSON, Thorsten R. C, BECKER, Hans-Christoph R, WINTERSPERGER, Bernd J, REISER, Maximilian F, NIKOLAOU, Konstantin, SCHWARZ, Florian, MARCUS, Roy P, GREIF, Martin, VON ZIEGLER, Franz, BLANKSTEIN, Ron, HOFFMANN, Udo, SOMMER, Wieland H, HOFFMANN, Verena S

“…To determine the feasibility of computed tomography (CT)-based dynamic myocardial perfusion imaging for the detection of hemodynamically significant coronary…”
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