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Abstract #0388

Image acceleration with an 8-channel local B0 coil array compatible with parallel imaging in a 9.4T human MR scanner

Rui Tian1, Alexander Loktyushin1, Kai Buckenmaier1, Theodor Steffen1, and Klaus Scheffler1,2
1High-Field MR center, Max Planck Institute for Biological Cybernetics, Tübingen, Germany, 2Department for Biomedical Magnetic Resonance, University of Tübingen, Tübingen, Germany


A recent idea of spread spectrum MRI utilizes rapid modulations of localized magnetic fields to speed up image acquisitions. To push this concept further, we experimentally demonstrated 2D FLASH scans at 9.4T accelerated by 3-fold with modulation of a newly built 8-channel local B0 coil array, and 6-fold together with parallel imaging. Moreover, for FLASH and single shot spiral acquisitions, we designed and simulated another two modulation schemes for the B0 coil array to further investigate the advantages of independent control over each local coil for imaging acceleration.

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