Abstract #2577

Aortic Functional Measurement with Accelerated Non-Contrast-Enhanced 3D Aortic CINE MRI

Yan Wang¹, Liang Ge², Hsin-Wei Shen³, Evan Kao³, Chengcheng Zhu¹, David Saloner⁴, and Jing Liu¹

¹Radiology, UCSF, San Francisco, CA, United States, ²Surgery, UCSF, San Francisco, CA, United States, ³Radiology and Biomedical Imaging, UCSF, San Francisco, CA, United States, ⁴Radiology and Biomedical Imaging, UCSF/VA, San Francisco, CA, United States

3D aortic CINE imaging provides precise functional measurements compared to the 2D imaging techniques. We proposed a highly accelerated free-breathing self-gated 3D MRI method to image the aorta through the entire cardiac cycle. Automatic segmentation based on Level-Set Methods was developed to efficiently segment the aorta lumen with the acquired 3D aortic CINE data. The calculated aortic measurements have potentials for many applications such as aortic aneurysm evaluation and aortic stiffness measurement.

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