Meeting Banner
Abstract #0882

Prospective head motion correction in 3D FLASH using EPI-based volumetric navigators (vNavs)

M. Dylan Tisdall 1,2 , Himanshu Bhat 3 , Keith Heberlein 3 , and Andr J. W. van der Kouwe 1,2

1 A. A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, Massachusetts, United States, 2 Radiology, Harvard Medical School, Boston, Massachusetts, United States, 3 Siemens Medical Solutions USA Inc., Charlestown, Massachusetts, United States

We demonstrate the use of EPI-based volumetric navigators (vNavs) in 3D FLASH for prospective correction of head motion. Unlike in previous works with vNavs, where the navigator was inserted into dead time (e.g., TR or TI fill), in vNav FLASH we use the same pulse and TR for both vNavs and the FLASH TRs, allowing us to alternate between them without disturbing the magnetization steady state. We demonstrate the use of this sequence to perform prospective motion correction in a volunteer.

This abstract and the presentation materials are available to members only; a login is required.

Join Here