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Abstract #3348

Simultaneous multi-slice (SMS) echo planar imaging (EPI); which combination of parameters is clinically most efficient?

Koji Sakai1, Hiroshi Imai2, Hiroyasu Ikeno3, Jun Tazoe1, Masashi Yasuike1, Hitomi Nagano1, Himanshu Bhat4, and Kei Yamada1

1Kyoto Prefectural University of Medicine, Kyoto, Japan, 2Siemens Japan K. K., 3Kyoto Prefectural University of Medicine Hospital, 4Siemens Medical Solutions USA

To find clinically feasible combinations of parameter for simultaneous multi-slice echo planar imaging (SMS-EPI) acquisition diffusion tensor imaging (DTI), we investigated the combinations of SMS factors and the amounts of inter-slice image shift to find which one can provide better signal-to-noise ratio (SNR) by two different head coils (20ch and 32ch), respectively. The SMS factors 2 and 3 with imaging shifts (>1/2) on 32ch judged clinically feasible and can be substituted on conventional DTI. The SMS factor 2 with imaging shifts 0, 1/2, 1/4 on 20ch head coil judged clinically feasible.

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