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Abstract #1381

Respiratory resolved and corrected 3D $$$\Delta\text{B0}$$$ mapping and fat-water imaging at 7 Tesla

Sebastian Dietrich1, Johannes Mayer1, Christoph Stephan Aigner1, Christoph Kolbitsch1, Jeanette Schulz-Menger2,3,4, Tobias Schaeffter1,5, and Sebastian Schmitter1,6
1Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berin, Germany, 2Charité Medical Faculty University Medicine, Berlin, Germany, 3DZHK partner site Berlin, Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center (ECRC), Berlin, Germany, 4Department of Cardiology and Nephrology, HELIOS Klinikum Berlin Buch, Berlin, Germany, 5Department of Medical Engineering, Technische Universität Berlin, Berlin, Germany, 6University of Minnesota, Center for Magnetic Resonance Research, Minneapolis, MN, United States

This work demonstrates 3D respiratory motion-corrected and cardiac resolved fat-water separation in the human body at 7T. Accurate fat fraction quantification using bipolar readout gradients was validated in a phantom. The impact of motion compensation on the underlying motion resolved $$$\Delta\text{B0}$$$ maps is investigated and estimated. In total the 3D fat-water separation and fat fraction quantification is successfully demonstrated in 10 healthy volunteers at 7T with a large BMI range from $$$19$$$ to $$$34 \text{kg/m}²$$$.

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