Abstract #3854
Application of Highly Accelerated Cartesian Phase Contrast Imaging Using Compressed Sensing and Iterative Reconstruction to Real-Time and Vector Encoded Flow Imaging
Andreas Greiser 1 , Michael Zenge 1 , Michaela Schmidt 1 , Mehmet Akif Gulsun 2 , and Aurelien F. Stalder 1
1
Siemens AG Healthcare Sector, Erlangen,
Bavaria, Germany,
2
Imaging
and Computer Vision, Siemens Corporation, Corporate
Technology, Princeton, NJ, United States
We demonstrate the feasibility of compressed sensing for
Cartesian MR flow imaging (CS Flow) with inline
reconstruction to enable real-time and high-resolution
3-directional flow imaging. Single-slice phase contrast
datasets were acquired using a real-time protocol
(R=11.2) and a segmented flow protocol with
3-directional flow encoding with (R=7.7). Real-time
results correlated with a segmented reference scan and
peak velocity values were in good agreement, flow
volumes were overestimated. 3-directional CS Flow could
be visualized as velocity magnitude and vectors. CS Flow
can enable real-time flow quantification in-cooperative
and arrhythmic patients and provides high-resolution
vector-encoded flow imaging in a short breathhold.
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