cardiovascular magnetic resonance images
UK Biobank’s cardiovascular magnetic resonance protocol
... from images is currently ...with cardiovascular image analysis for large-scale cohort studies through knowledge shar- ing, coordination of efforts and capacity ...
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Cardiovascular magnetic resonance in systemic hypertension
... on images produced with a standardized scale calculating the relax- ation time of each pixel within a parametric ...selected magnetic field strength that depends on tissue composition and, thus, deviation ...
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Cardiovascular Magnetic Resonance Imaging for the Investigation of Ischaemic Heart Disease
... cine images from the base of the heart to the apex; the endocardial and epicardial borders are subsequently contoured giving mass, volumes and ...cine images without having to acquire further imaging ...
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Quantification of myocardial perfusion by cardiovascular magnetic resonance
... Possible solutions to avoid arterial signal saturation are: a) the use of lower contrast dosages, which avoid the saturation effect, albeit at the price of reduced contrast- to-noise in the myocardium; b) employing dual ...
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Review of Journal of Cardiovascular Magnetic Resonance 2013
... CMR has become an important diagnostic imaging mo- dality in cardiovascular medicine. However, insufficient image quality may compromise its diagnostic accuracy. This paper describes and validates standardized ...
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Cardiovascular Magnetic Resonance in Marfan syndrome
... to evaluate the entire aorta and periaortic structures. It can distinguish between acute aortic syndromes and elu- cidate branch vessel involvement. With the advent of ECG-gating, the risks of motion-artefact mimicking ...
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Oxygenation sensitive cardiovascular magnetic resonance
... external stimuli [2]. In humans, typically several averages and color-coded maps are used to visualize these changes [3], a technique which is widely known as functional brain MR. Accordingly, myocardial deoxygenation or ...
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Cardiovascular magnetic resonance in carotid atherosclerotic disease
... T1W images could delineate the fibrous cap from the LRNC, with a contrast-to-noise ratio similar or better than that of T2W images but with approximately twice the signal-noise-ratio ...
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Review of Journal of Cardiovascular Magnetic Resonance 2012
... contrast-enhanced magnetic resonance angiography (MRA) are also explained in detail, especially focusing on timing of the acquisition following contrast agent bolus administration, and current ap- proaches ...
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Quantitative three dimensional myocardial perfusion cardiovascular magnetic resonance with accurate two dimensional arterial input function assessment
... A high contrast agent dose of 0.1 mmol/kg b.w. was compared to a low dose of a quarter of this amount. While the high dose 3D-AIF exhibited strong non- linearity effects, the quarter dose was just below the threshold of ...
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Analyzing myocardial torsion based on tissue phase mapping cardiovascular magnetic resonance
... phase images makes the myocardium segmentation very challenging, even as a manual ...velocity images should be subjected to a higher standard of precision and results from automatic and semi-automatic ...
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Cardiovascular magnetic resonance guided electrophysiology studies
... These sub-optimal results call attention to limitations of this current state-of-the-art in 3D image guided cardiac ablation. First, pre-acquired roadmap images may not cor- respond to the anatomy during the ...
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Myocardial tissue tagging with cardiovascular magnetic resonance
... prevalence, correlates, and progression of subclinical car- diovascular disease in a community-based population of 6,500 men and women of different racial/ethnic back- grounds. Harmonic phase analysis of myocardial ...
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Review of Journal of Cardiovascular Magnetic Resonance 2009
... Mather used their high resolution perfusion imaging sequence to investigate the important question regarding how well the conventionally used LGE methods can assess the extent of microvascular obstruction (MO) [68]. The ...
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Cardiovascular magnetic resonance phase contrast imaging
... contrast images are recon- structed and in which the signal phase is encoded for tissue displacement, as opposed to tissue velocity ...between images acquired before and after the mixing period is directly ...
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Review of Journal of Cardiovascular Magnetic Resonance 2014
... This study evaluated the effect of common methodo- logical differences in CMR voxel-wise measurement of MBF, using position emission tomography (PET) as the reference standard [188]. Eighteen subjects (nine with coronary ...
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Quantitative cardiovascular magnetic resonance for molecular imaging
... For both the pH-sensitive and the pH-insensitive agents, the MRI signal enhancement varied linearly with concentration up to 4 mM. The relaxivity of Gd-DOTP 5- was 3.0 1/(mM*s), while the relaxivity of Gd-DOTA-4AmP 5- ...
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Interventional cardiovascular magnetic resonance: still tantalizing
... X-ray images, the coordinate systems of each must be ...X-ray images, correspondence between the markers is established, and a three-dimensional rigid registration algorithm is used to align the MR ...
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Review of journal of cardiovascular magnetic resonance 2010
... Kelle et al performed perfusion CMR on 38 patients after coronary bypass grafting (CBG) without coronary obstruc- tion and compared the results with 20 patients with no obstructive coronary disease at coronary ...
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Cardiovascular magnetic resonance imaging - a pictorial review
... MRI viability imaging is unparalleled by any other techniques. Gadolinium contrast agents settle in oedematous areas and take longer to be washed out of scar tissue. Delayed-enhancement MRI involves imaging the heart 10 ...
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