perfusion magnetic resonance images
Quantitative three dimensional myocardial perfusion cardiovascular magnetic resonance with accurate two dimensional arterial input function assessment
... myocardial perfusion CMR ...multiple images after a single bolus of contrast ...2D images were ac- quired in diastole after aortic valve closure to suppress inflow effects ...
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Development of whole-heart myocardial perfusion magnetic resonance imaging
... It has been shown that the application of a low-pass filter leads to nulls in the temporal frequency spectra of the reconstructed images, corresponding to temporal filtering [Madore, 2004] [Blaimer et al., 2011]. ...
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Assessment of the kidneys: magnetic resonance angiography, perfusion and diffusion
... acquire images with the same spatial resolution at a shorter acquisition time or alternatively to acquire higher spatial resolution images at the same acquisition ...
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Quantification of Absolute Myocardial Blood Flow by Magnetic Resonance Perfusion Imaging
... para- magnetic compound that decreases T1 relaxation times, regional delivery of GdCA-rich blood results in a progressive increase in signal intensity on T1-weighted pulse ...stenotic perfusion beds. A ...
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Quantification of cardiac magnetic resonance imaging perfusion in the clinical setting at 3T
... myocardial perfusion imaging. CT myocardial perfusion imaging is additive to CT angiography whilst it is useful in the evaluation of patients with coronary artery stents [146, ...cardiac perfusion ...
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Perfusion and diffusion magnetic resonance imaging studies of cerebral ischaemia
... agnetic resonance im aging (M RI) is a technique that has been in com m on use for only a relatively short period o f tim e in com parison with other scanning m ...body images were published in 1977 (Dam ...
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Quantification of myocardial perfusion with self gated cardiovascular magnetic resonance
... cardiac perfusion however is a bit different. Cardiac perfusion images are obtained with dynamic contrast enhanced (DCE) CMR in order to track the uptake and washout of a gadolinium-based contrast ...
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Feasibility and safety of high dose adenosine perfusion cardiovascular magnetic resonance
... echo sequence (echo time 1.05 ms, repetition time 2 ms, saturation recovery time 100 ms, voxel size 2.3 × 2.8 × 10 mm; flip angle 12°). Three or four short-axis slices, positioned from the base to the apex of the left ...
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Quantitative assessment of brain perfusion with magnetic resonance imaging
... the in vivo data were used to investigate local AIF candidates based on angiogram infor- mation and, because the ground truth is unknown, the shape-characteristics of the local AIF candidates are compared to gray matter ...
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Magnetic resonance imaging of diffusion and perfusion: Techniques and applications to cerebral ischaemia
... nuclear magnetic resonance (NM R) and m agnetic resonance im aging (M RI) have com e to play an increasingly im portant role in this area, especially in the study and diagnosis o f ...their ...
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Usefulness of Pulsed Arterial Spin Labeling Magnetic Resonance Imaging in New-onset Seizure Patients and Its Comparison with Dynamic Susceptibility Contrast Magnetic Resonance Imaging.
... paired images with and without labeling utilizing: TE ‑ ...DSC perfusion: It was acquired using gradient‑echo echo‑planar imaging utilizing TE ‑ 47 ms, TR ‑ 2240 ms, FOV ‑ 230 mm, matrix ‑ 128 × 128, flip ...
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Improvement of myocardial perfusion reserve detected by cardiovascular magnetic resonance after direct endomyocardial implantation of autologous bone marrow cells in patients with severe coronary artery disease
... All images were reviewed and analyzed off-line with spe- cialized post-processing software (Cinetool version 3.9.8, General Electric Healthcare) by two investigators (WSC and RYK). Analysis and interpretation of ...
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Magnetic Resonance Perfusion Imaging in the Diagnosis of High Grade Glioma Progression and Treatment Related Changes: A Systematic Review
... echo images, dy- namically capturing the transient decrease in signal intensity caused by the local magnetic field distortion of the GBCA within and around blood vessels ...various perfusion pa- ...
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Design and methods of the NiCK study: neurocognitive assessment and magnetic resonance imaging analysis of children and young adults with chronic kidney disease
... ASL images are processed using a perfusion data pro- cessing toolbox, ASLtbx ...EPI images are first motion-corrected, then pairwise subtraction images are generated from images ...
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Considerations when measuring myocardial perfusion reserve by cardiovascular magnetic resonance using regadenoson
... semi-quantitative perfusion analysis, epicar- dial and endocardial borders of the mid-LV slice were manually traced for each frame, myocardial segmenta- tion was applied, and time-signal intensity curves were ...
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Late gadolinium uptake demonstrated with magnetic resonance in patients where automated PERFIT analysis of myocardial SPECT suggests irreversible perfusion defect
... MR images were obtained during repeated ...contrast-enhanced images were acquired at the same slice positions as the ...LGE images by two observers, both without knowledge of the results from the MPS ...
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Evaluation of a comprehensive cardiovascular magnetic resonance protocol in young adults late after the arterial switch operation for d transposition of the great arteries
... cardiovascular magnetic resonance (CMR) protocol for the detection of coronary problems in adults with prior ASO for d-transposition of the great ...stress perfusion CMR protocol that included ...
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Measurement of cerebral perfusion using magnetic resonance techniques
... difference images at TI values less than 600ms (testing performed in an agar phantom with ...difference images could be ...TI images are more susceptible to these errors than the longer TI ...
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Superior diagnostic performance of perfusion cardiovascular magnetic resonance versus SPECT to detect coronary artery disease: The secondary endpoints of the multicenter multivendor MR IMPACT II (Magnetic Resonance Imaging for Myocardial Perfusion Assessment in Coronary Artery Disease Trial)
... stress perfusion-CMR, a gated-SPECT, and ...both, perfusion-CMR and gated-SPECT were similar to those obtained in the current multicenter MR- IMPACT ...the perfusion-CMR tech- ...of ...
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Quantification of myocardial perfusion by cardiovascular magnetic resonance
... quantifying perfusion are on the verge of appearing in cardiac analysis software packages, but they will for several reasons retain the flavor of a research tool, that requires technical expertise for its ...
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