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SHR Neuro Cancer Cardio Lipid Metab Microb

Gutberlet, M; Geier, O; Stab, D; Ritter, C; Beer, M; Hahn, D; Kostler, H.
SNR-optimized myocardial perfusion imaging using parallel acquisition for effective density-weighted saturation recovery imaging
Magn Reson Imaging. 2010; 28(3):341-350 Doi: 10.1016/j.mri.2009.11.007
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Co-authors Med Uni Graz: Beer Meinrad
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Abstract:: The concept of density-weighted imaging and parallel acquisition for effective density-weighted (PLANED) imaging was transferred to saturation recovery (SR) sequences, in order to increase the SNR in first-pass myocardial perfusion imaging. Filtering in combination with density-weighted imaging allows SNR-optimized data weighting and the free choice of the corresponding spatial response function (SRF) simultaneously. This method was evaluated in simulations and applied successfully to phantom and in vivo first-pass myocardial perfusion studies. Unfiltered, Cartesian sampled images were compared to images acquired with SR-PLANED, which has been adjusted to result in an identical SRF as the Cartesian imaging. SNR-optimized SR-PLANED imaging improved the SNR up to 15% without changing acquisition time, the SRF or the field of view (FOV). The presented method provides high image quality and optimized SNR for first-pass myocardial perfusion imaging.
Find related publications in this database (using NLM MeSH Indexing): Algorithms -; Humans -; Image Enhancement - methods; Image Interpretation, Computer-Assisted - methods; Magnetic Resonance Angiography - methods; Myocardial Perfusion Imaging - methods; Phantoms, Imaging -; Reproducibility of Results -; Sensitivity and Specificity -
Find related publications in this database (Keywords): First-pass myocardial perfusion imaging; Density-weighted imaging; Parallel imaging; Spatial response function; Signal-to-noise ratio