نتایج جستجو برای: 3tesla
تعداد نتایج: 62 فیلتر نتایج به سال:
Intra-observer and inter-study reproducibility of brachial artery flow-mediated dilatation (FMD) and glyceryl trintrate (GTN)-mediated dilatation by CMR at 3Tesla were assessed. Coefficients of variation (CoV) were calculated using the root mean square method. The intra-observer CoV, assessed in 15 subjects, was 15% for both FMD and GTN response. The inter-study CoV, assessed in 17 subjects, wa...
conclusion high-resolution mr images of the wrist using 3d t2space, pd blade and t2 blade were superior to those using conventional sequences quantitatively. high-snr and cnr mr imaging with space and blade would be a promising method to diagnose wrist lesions. results snr of the cartilage, tfcc on 3d t2space and t1 fse was better than other sequences (p < 0.001). snr of the bone on pd blade wa...
BACKGROUND The purpose of this study was to determine the ability of blood oxygen level dependent (BOLD) cardiovascular magnetic resonance (CMR) to detect stress-inducible myocardial ischemic reactions in the presence of angiographically significant coronary artery disease (CAD). METHODS Forty-six patients (34 men; age 65 ± 9 years,) with suspected or known coronary artery disease underwent C...
The challenges for cardiac MR imaging range in a magic triangle of spatial and temporal resolution, signal-to-noise ratio and the limitations induced by the need for breath-hold imaging. With the advent of multi-channel whole-body MRI systems at 3Tesla, these limitations can now be overcome. Parallel acquisition techniques (PAT) allow increasing temporal or spatial resolution at virtually no co...
Patients had the 3Tesla MRI scan after 4.5 days from the index event. The structural MRI protocol, including standard MR sequences (DWI axial image, 3D T1 MP RAGE, 3D FLAIR, GRE) was applied to identify MR visible abnormalities. Axial diffusion-weighted images were acquired by using a spin-echo echo-planar imaging sequence (repetition time (TR)/echo time (TE), 2800/77 ms; field of view (FOV), 2...
BACKGROUND Feline models of neurologic diseases, such as lysosomal storage diseases, leukodystrophies, Parkinson's disease, stroke and NeuroAIDS, accurately recreate many aspects of human disease allowing for comparative study of neuropathology and the testing of novel therapeutics. Here we describe in vivo visualization of fine structures within the feline brain that were previously only visib...
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