Abstract #1410
Accelerated multiplexed-EPI with PSF-based distortion correction at 9.4T
Seong Dae Yun 1 and N. Jon Shah 1,2
1
INM - 4, Research Centre Jlich GmbH, Jlich,
Germany,
2
Department
of Neurology, RWTH Aachen University, Aachen, Germany
The relatively high imaging speed of EPI has led to its
widespread use in dynamic MRI studies. The performance
of the EPI can be improved by combining it with in-plane
acceleration techniques such as multi-shot, parallel MRI
and EPI with Keyhole (EPIK). For even faster volumetric
acquisition in EPI, the multiplexed-EPI (M-EPI) method
has also been presented (Feinberg et al.). This study i)
verifies the use of the in-plane acceleration techniques
on the M-EPI at 9.4T and ii) quantitatively assesses the
performance of each imaging method. Lastly, the robust
removal of geometric distortions is demonstrated with
the PSF-based correction method.
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