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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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