منابع مشابه
T1 Maps in Nonischemic DCM
SEE PAGE 40 C ardiac magnetic resonance (CMR) is increasingly used in the diagnostic and prognostic workup of cardiomyopathy. Beyond accurately quantifying biventricular size and systolic function, the main current strength of CMR is the characterization of myocardial tissue. The technique of late gadolinium enhancement (LGE), or transient accumulation of paramagnetic extracellular contrast age...
متن کاملRandomized Comparison of Allogeneic Versus Autologous Mesenchymal Stem Cells for Nonischemic Dilated Cardiomyopathy: POSEIDON-DCM Trial.
BACKGROUND Although human mesenchymal stem cells (hMSCs) have been tested in ischemic cardiomyopathy, few studies exist in chronic nonischemic dilated cardiomyopathy (NIDCM). OBJECTIVES The authors conducted a randomized comparison of safety and efficacy of autologous (auto) versus allogeneic (allo) bone marrow-derived hMSCs in NIDCM. METHODS Thirty-seven patients were randomized to either ...
متن کاملBrain segmentation performance using T1-weighted images versus T1 maps
The recent driven equilibrium single-pulse observation of T1 (DESPOT1) approach permits real-time clinical acquisition of large-volume and high-isotropic-resolution T1 mapping of MR tissue parameters with improved uniformity. It is assumed that the quantitative nature of maps will facilitate clinical applications such as disease diagnosis and comparison across subjects. However, there is not ye...
متن کاملT1 Maps From Shifted Echoes and Stimulated Echoes
Theory The proposed sequence is shown in Figure 1. The basic idea is to obtain a spin echo (SE) and a stimulated echo (STE) with different T1 weighting for T1 calculation. In contrast to the FastPACE technique, both echoes were acquired separately. Then, only magnitude images are required which allows for exploiting the Half Fourier technique and using phased array coils. Acquisition of the tru...
متن کاملThe effect of T1-relaxation on tensor-derived ADC-maps
Introduction The T1-relaxation process is a well-known issue in diffusion-weighted magnetic resonance imaging (DWI). The simplest model for describing the diffusion process is the mono-exponential tensor model (DTI): S(r) = S0 exp(-b(r) D b(r)). [1] A typical DTI scheme collects first the S0:s followed by gradient directions: S01,..., S0m S(r1),..., S(rn). The T1-weighting among the initial S0:...
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ژورنال
عنوان ژورنال: JACC: Cardiovascular Imaging
سال: 2016
ISSN: 1936-878X
DOI: 10.1016/j.jcmg.2015.11.007