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Abstract #3919

Improved Spatial and Temporal Resolution Black-Blood Dynamic Contrast-Enhanced Carotid Artery Wall MRI Using Compressed Sensing

Zhengwei Zhou 1,2 , Zhaoyang Fan 1 , Yibin Xie 1,2 , Debiao Li 1,2 , and Behzad Sharif 1

1 Biomedical Imaging Research Institute, Cedars Sinai Medical Center, Los Angeles, California, United States, 2 Department of Bioengineering, University of California, Los Angeles, Los Angeles, California, United States

Dynamic gadolinium contrast-enhanced (DCE) vessel wall imaging has been used to quantitatively assess the inflammatory status of carotid plaques. In this study, compressed sensing was applied to improve the temporal resolution of carotid wall DCE MRI from about 20s to about 8s. With this improvement, SRDIR DCE is promising for quantitative assessment of the inflammatory status of carotid plaques, an important biomarker for the vulnerability of the plaque.

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