Abstract #0817
Simultaneous multi-slice (SMS) accelerated EPI navigators for prospective motion correction in the brain
Himanshu Bhat 1 , M. Dylan Tisdall 2 , Stephen F Cauley 2 , Thomas Witzel 2 , Kawin Setsompop 2 , Andre J.W. van der Kouwe 2 , and Keith Heberlein 1
1
Siemens Healthcare, Charlestown, MA, United
States,
2
Athinoula
A. Martinos Center for Biomedical Imaging, Massachusetts
General Hospital, Charlestown, MA, United States
The goal of this work was to use SMS acceleration to
speed up the acquisition of EPI navigators. Validation
studies were performed in phantoms and in-vivo to
demonstrate that SMS accelerated navigators can lead to
accurate motion detection over a range of motion values.
Furthermore, prospective motion correction was
demonstrated by adding SMS navigators into an inversion
prepared gradient echo (MPRAGE) sequence.
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