Abstract #0957

Motion-compensated gradient waveform design for tensor-valued diffusion encoding by constrained numerical optimization

Filip Szczepankiewicz^1,2,3, Irvin Teh⁴, Erica Dall'Armellina⁴, Sven Plein⁴, Jurgen E. Schneider⁴, and Carl-Fredrik Westin^2,3

¹Clinical Sciences Lund, Lund University, Lund, Sweden, ²Radiology, Brigham and Women's Hospital, Boston, MA, United States, ³Harvard Medical School, Boston, MA, United States, ⁴Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom

Motion compensation is vital for cardiac diffusion MRI. In this paper we propose an optimized gradient waveform design that allows tensor-valued diffusion encoding with motion compensation. We demonstrate that it works for in vivo cardiac imaging and we show that it is more efficient than previous designs.

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