Diffusion-Weighted SSFP at 7T

Diffusion-weighted MRI at 7T using conventional techniques is challenging due to short T2 relaxation times, high SAR, and increased susceptibility artifacts compared to lower field strengths. The diffusion-weighted steady state free precession sequence (DW-SSFP) appears well-suited as a means to address these challenges at 7T due to decreases T2-sensitivity, lower SAR burden, and potentially lower sensitivity to susceptibility artifacts as compared to spin-echo-prepared, diffusion-weighted EPI. In this work we compare EPI images acquired at 3T to DW-SSFP images acquired at 3T and 7T in 2 healthy human subjects.

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