[PDF] Top 20 Artigas, Mariano - Filosofía de la ciencia (2a. ed.)
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Quantitative myocardial blood flow imaging with integrated time-of-flight PET-MR
... the PET-MR-based analysis, whereas 4 segments were ...the PET-CT and the PET-MR-based decisions of normal or reduced MBF agreed and in 6 segments, they did not ...the PET-CT and ... See full document
142
Myocardial blood flow and myocardial flow reserve values in 13N–ammonia myocardial perfusion PET/CT using a time-efficient protocol in patients without coronary artery disease
... Cardiac imaging by means of myocardial Positron Emission Tomography/Computed Tomography (PET/CT) is being used increasingly to assess coronary artery disease (CAD) and to guide revascularization ... See full document
9
Simultaneous 13N-Ammonia and gadolinium first-pass myocardial perfusion with quantitative hybrid PET-MR imaging: a phantom and clinical feasibility study
... in myocardial tissue (Maddahi and Packard ...cardial blood flow kinetics, particularly at high flow rates, and exhibits 85% myo- cardial extraction fraction in vivo (Maddahi and Packard ... See full document
27
An Investigation of the Required MR Bone Attenuation Correction for Quantitative Whole Body PET/MR Imaging Using Clinical NaF PET/CT Studies
... the PET/CT exams had been performed on a Siemens Biograph mCT Flow PET/CT ...uptake time of 46.6 ± 9.3 minutes, whole-body CT attenuation data and PET emission data were acquired from ... See full document
26
Recent developments in time-of-flight PET
... Table 2 gives an overview of the specifications of the different TOF-PET/CT systems published in recent studies. These values are based on specifications provided by the com- panies and the following publications ... See full document
10
β2-adrenergic stress evaluation of coronary endothelial-dependent vasodilator function in mice using 11C-acetate micro-PET imaging of myocardial blood flow and oxidative metabolism
... and PET radio- tracer administration. Blood pressure was monitored with a pressure analyzer connected to an ultra-miniature fiber optic sensor (SA Instruments ...the PET radiotracer measurements in ... See full document
280
Combination of contrast with stress echocardiography: A practical guide to methods and interpretation
... other imaging modalities, including power Doppler and real time power pulse inver- sion/power modulation in animals and in humans have produced similar results to SPECT ... See full document
33
PET-MR and SPECT-MR multimodality probes: Development and challenges
... makes imaging probes biocompatible: the hydrophilic layer could minimize particle aggregation and MPS ...longer blood circulation time to improve uptake in LNs and increased accumulation in tumor ... See full document
168
Effects of ferumoxytol on quantitative PET measurements in simultaneous PET/MR whole-body imaging: a pilot study in a baboon model
... of PET/MRI technology, it is unknown whether ferumoxytol will have any deleterious effects on quantification with the attenuation correction algo- rithms currently used on PET/MRI ...whole-body ... See full document
95
Noninvasive Imaging of Quantitative Cerebral Blood Flow Changes during 100% Oxygen Inhalation Using Arterial Spin Labeling MR Imaging
... hyperoxygenated blood, global CBF showed only a slight 5% decrease, which was not significantly different from ...zero. Quantitative CBF levels are in accordance with prior literature ...ASL-based MR ... See full document
137
In vivo characterization of rodent cyclic myocardial perfusion variation at rest and during adenosine induced stress using cine ASL cardiovascular magnetic resonance
... momentary blood flow is non- uniform through the cardiac cycle and occurs mainly in diastole when myocardial tension is ...the blood magnetization with the tissue during the presence of a spin ... See full document
22
Intractable temporal lobe epilepsy: comparison of positron emission tomography with qualitative and quantitative MR
... the imaging phase, allowing sufficient information to be acquired while the patient was ...administration. Imaging was initiated about 40 ( 6 10) minutes after FDG ...during imaging, patients were ... See full document
5
Evaluation of Automatic Measurement of the Intracranial Volume Based on Quantitative MR Imaging
... BACKGROUND AND PURPOSE: Brain size is commonly described in relation to ICV, whereby accurate assessment of this quantity is fundamental. Recently, an optimized MR sequence (QRAPMASTER) was developed for ... See full document
58
Comparison of Blood Flow Velocity Quantification by 4D Flow MR Imaging with Ultrasound at the Carotid Bifurcation
... higher blood flow velocities at the site of ICA stenosis by using 4D flow MR imaging, leading to an underestima- tion of velocities in sonography in our current ...4D flow ... See full document
120
Complete Intracranial Arterial and Venous Blood Flow Evaluation with 4D Flow MR Imaging
... tion software (EnSight; CEI, Apex, NC). This software program en- ables the visualization of complex 3D and 4D datasets by providing a variety of data manipulation tools including 2D velocity vector fields mapped onto ... See full document
125
ECR 2015 Book of Abstracts - A - Postgraduate Educational Programme
... diagnostic imaging, blood analysis and urinalysis. Principal imaging techniques are ultrasonography and unenhanced CT with judicial use of contrast medium enhancement and plain abdominal ...Secondary ... See full document
6
Contrast Enhanced 2D Cine Phase MR Angiography for Measurement of Basilar Artery Blood Flow in Posterior Circulation Ischemia
... of blood flow was ...the flow volume rate in the basilar artery would allow one to quanti- tatively assess ...of blood flow in the basilar artery is due to stenosis or occlusion of the ... See full document
150
Regional Myocardial Blood Flow
... A method is described which measures the local effectiveness of the myocardial circulation, expressed as a clearance constant. Uniform clearance constants have been demonstrated in the normal canine and human ... See full document
23
The Impact of Optimal Respiratory Gating and Image Noise on Evaluation of Intratumor Heterogeneity on 18F-FDG PET Imaging of Lung Cancer.
... medical imaging for identifying specific tumor phenotypes (4), prediction of treatment resistance (5-7), and overall survival (OS) (8) is increasingly being ...medical imaging to repetitively assess ... See full document
26
Perfusion CT Imaging of Brain Tumors: An Overview
... showing different mixtures of vessel characteristics and angio- genesis, which can be seen as regions with high CBV but not very high PS and vice versa on perfusion imaging (Fig 3). Cor- relation of various tumor ... See full document
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