The Interventioal Device Tracking Using Miniaturized Micro Coils

Patil, S; Anders, J; Umathum, R; Bock, M; Boero, G; Scheffler, K

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The Interventioal Device Tracking Using Miniaturized Micro Coils

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https://cds.ismrm.org/protected/09MProceedings/files/1_program.htm
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Patil, S., Anders, J., Umathum, R., Bock, M., Boero, G., & Scheffler, K. (2009). The Interventioal Device Tracking Using Miniaturized Micro Coils. Poster presented at 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009), Honolulu, HI, USA.

引用: https://hdl.handle.net/21.11116/0000-0003-14FD-A

要旨

In the tendency towards high-field imaging, three-dimensional (3D) acquisition has potential advantages over its two-dimensional counterpart for functional MRI (fMRI). However, multi-slice 2D-EPI methods remain the conventional sequence in fMRI. Although various advanced 3D schemes have alternatively been applied, they come with individual limitations and are not widely available. The 3D-EPI sequence similarly presents temporal constraints, but holds the potential to be feasible by using the increased signal- and contrast-to-noise ratio of ultrahigh magnetic fields combined with the higher parallel imaging performance feasible at ultra-high fields. A hybrid 3D-EPI then offers the possibility for high 2D acceleration. This potential is exploited in this study at 7 Tesla to overcome the limitations and compare results with 2D acquisition and 1D acceleration. Results show the feasibility of a highly accelerated hybrid 3D-EPI scheme for high resolution whole-head acquisition in high-field fMRI, presenting excellent functional results.