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Highly Accelerated Parallel 1H MRSI at 7T with Simultaneous Suppression of Near- and Far-Reaching Signal Leakage

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84402

Henning,  A
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Kirchner, T., Fillmer A, Boesiger P, Pruessmann, K., & Henning, A. (2012). Highly Accelerated Parallel 1H MRSI at 7T with Simultaneous Suppression of Near- and Far-Reaching Signal Leakage. Poster presented at 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012), Melbourne, Australia.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-B7A8-5
Abstract
We tailor the SENSE reconstruction algorithm towards accelerated parallel MRSI at ultra-high field strengths. Through calculation on an overdiscretized spatial grid and careful tuning of the spatial response function we achieve efficient suppression of signal contaminations caused by voxel bleeding without the increase of the effective voxel size that would be caused by conventional filtering techniques. We demonstrate up to 9-fold accelerated proton MRSI in vivo at 7T.