Abstract #2536
Fast 3D isotropic high spatial resolution MRI of peripheral vessel wall at 3T
Guoxi Xie 1,2 , Xiaoming Bi 3 , Jing An 4 , Xin Liu 1 , Hairong Zheng 1 , Debiao Li 2 , and Zhaoyang Fan 2
1
Shenzhen Key Lab for MRI, Shenzhen
Institutes of Advanced Technology, Chinese Academy of
Sciences, Shenzhen, Guangdong, China,
2
Biomedical
Imaging Research Institute, Cedars Sinai Medical Center,
Los Angeles, CA, United States,
3
Siemens
Healthcare, Los Angeles, CA, United States,
4
MR
Collaborations NE Asia, Siemens Healthcare, Beijing,
China
Peripheral artery disease (PAD) is a slow and
progressive circulation disorder which not only causes
pain and disability. Flow independent dark-blood 3D MRI
is suitable for peripheral artery vessel wall imaging
with large coverage. Previous studies have proposed
SPACE and MERGE for 3D peripheral artery vessel wall
imaging. However, SPACE still needs long scan time while
MERGE is sensitive to B0 inhomogeneous. In this work, a
3D DANTE-Prep dark-blood GRE sequence was developed for
peripheral artery vessel wall imaging. It allows
screening bilateral 30-cm-long peripheral arteries
within 4 minutes with isotropic high spatial resolution
(0.720.720.72 mm3).
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