Abstract #0971

Multi-slice metabolite mapping with Very-High Degree Dynamic B0 Shim Updating at 9.4T using Accelerated 1H FID MRSI

Sahar Nassirpour^1,2, Paul Chang^1,2, and Anke Henning^1,3

¹MPI for Biological Cybernetics, Tuebingen, Germany, ²IMPRS for Cognitive and Systems Neuroscience, Eberhard Karls University of Tübingen, Tuebingen, Germany, ³Institute of Physics, Ernst-Moritz-Arndt University Greifswald, Greifswald, Germany

In this work, we address the problem of B₀ inhomogeneity in the human brain at 9.4T by using dynamic very high order B₀ shimming. This enables multi-slice metabolite mapping in the human brain at this field strength. Furthermore, we investigate the advantage of low (2^nd) versus very high (4^th+) degree dynamic B₀ shimming directly with respect to the quality of the metabolite maps.

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