Abstract #0950
Combined T2-Prep and Outer Volume Suppression Preparation Sequence for Coronary Angiography
Jieying Luo 1 , Nii Okai Addy 1 , R. Reeve Ingle 1 , Brian A. Hargreaves 2 , Bob S. Hu 3 , Dwight G. Nishimura 1 , and Taehoon Shin 4
1
Electrical Engineering, Stanford University,
Stanford, California, United States,
2
Radiology,
Stanford University, Stanford, California, United
States,
3
Palo Alto Medical Foundation, Palo
Alto, California, United States,
4
University
of Maryland, Baltimore, Maryland, United States
A magnetization preparation sequence that efficiently
combines T2-Prep and outer volume suppression is
designed and tested for coronary angiography. The
proposed sequence is composed of a BIR-4 90 tip-down
pulse, two adiabatic refocusing pulses and a 2D spiral
90 tip-up pulse. Its performance is demonstrated with
numerical simulation, phantom and in vivo experiments.
This sequence induces T2 weighting to improve
blood-myocardium contrast while suppressing outer volume
signals to facilitate scan acceleration and reduce
motion artifacts.
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