Abstract #3924
Single breath-hold 3D cardiac T 1 mapping
Yong Chen 1 , Haris Saybasili 2 , Alice Yang 3 , Katherine L Wright 3 , Mark A Griswold 1,3 , Vikas Gulani 1,3 , and Nicole Seiberlich 3
1
Radiology, Case Western Reserve University,
Cleveland, OH, United States,
2
Siemens
Healthcare, Chicago, Illinois, United States,
3
Biomedical
Engineering, Case Western Reserve University, Cleveland,
OH, United States
Fast, accurate measurement of T1 relaxation times over
the whole heart is challenging due to physiologic
cardiac and respiratory motion. Here a high-resolution
3D cardiac T1 mapping technique is presented which uses
the modified Look-Locker method, a stack-of-spirals
trajectory and through-time non-Cartesian GRAPPA
acceleration in combination with GPU image
reconstruction. This proposed technique allows fast T1
mapping of the whole heart in 12 heart beats and fast
image reconstruction suitable for real clinical
applications.
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