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Abstract #4330

Simultaneous cine and T1 mapping of carotid artery using 3D golden angle radial acquisition

Ning Xu1, Ziming Xu1, Zhongsen Li1, Huiyu Qiao2, Haozhong Sun1, Zixuan Han1, Huijun Chen1, and Xihai Zhao1
1Biomedical engineering, Center for Biomedical Imaging Research, School of Biomedical engineering, Tsinghua Univeristy, Beijing, China, 2Biomedical engineering, School of Biomedical Engineering, Capital Medical University, Beijing, China

Synopsis

Keywords: Vascular/Vessel Wall, Cardiovascular

Motivation: Carotid artery cine imaging and T1 mapping can assess the dynamic properties and quantitative features of plaque components, providing abundant information on diagnosis of carotid artery diseases.

Goal(s): This study aims to acquire cine images and T1 map from single scan to improve scan efficiency.

Approach: IR prepared continuous SPGR readout in a 3D golden angle kooshball trajectory was applied. Multi-TI and cine images can be retrospectively reconstructed.

Results: The proposed sequence was in excellent agreement with standard sequence in phantom and in-vivo experiment. Cine images with different TI were reconstructed, showing its further application in simultaneous black and bright blood cine imaging.

Impact: The proposed sequence can get the dynamic property of vessel wall and quantitative features of plaque components in a single scan.

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Keywords