منابع مشابه
k-t-Space accelerated myocardial perfusion.
PURPOSE To investigate the performance of the recently introduced spatiotemporal parallel imaging technique called parallel MRI with extended and averaged generalized autocalibrating partially parallel acquisitions (GRAPPA) kernels (PEAK-GRAPPA) for myocardial perfusion measurements. MATERIALS AND METHODS A study with 11 patients with myocardial infarction was performed to compare nonaccelera...
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Introduction: Assessment of myocardial perfusion by dynamic contrast enhanced MRI (DCE-MRI) is still an evolving technique and is yet to become a part of standard diagnostic assessment of patients with coronary heart disease (CHD). Despite its advantages over other tomographic methods, the transition of DCE-MRI from a promising research technique into a robust clinical tool has been impeded by ...
متن کاملHighly accelerated k-t SENSE cardiac perfusion imaging
Figure 2. Upper figure: Comparison of perfusion curves from a 10x k-t SENSE reconstruction using the conventional (9 profiles) and the SENSE reconstructed training data (9x2 and 9x3 profiles undersampled by a factor of 2 and 3 respectively) along with the corresponding absolute error. Lower figure: The same comparison, this time using anisotropic diffusion filtering of the SENSE reconstructed t...
متن کاملMyocardial perfusion SPECT: Perfusion quantification
Different software tools for quantification of myocardial perfusion SPECT (MPS) studies are routinely used. Several perfusion parameters can be computed automatically. Interpretation of the MPS should start with visual inspection of the rotating planar images, visual analysis of reconstructed SPECT slices and then quantitative analysis to confirm the visual impression. Quantification should be...
متن کاملAccelerated imaging of rest and stress myocardial perfusion MRI using multi-coil k-t SLR: a feasibility study
Background In myocardial perfusion imaging (MPI), highly accelerated acquisition can be used towards reducing the compromises in the image quality (spatio-temporal resolutions, volume coverage, SNR) routinely observed with the current clinical protocols. In this study, we demonstrate the feasibility of a recent accelerated dynamic MRI scheme, k-t SLR (based on sparse and low rank properties) (L...
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ژورنال
عنوان ژورنال: Journal of Magnetic Resonance Imaging
سال: 2008
ISSN: 1053-1807,1522-2586
DOI: 10.1002/jmri.21543