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Abstract #2158

Feasibility of Simultaneous Non-contrast Angiography and intraPlaque hemorrhage Imaging (SNAP) in Abdominopelvic Angiography

Dmytro Pylypenko1, Yishi Wang2, Le He1, and Hua Guo1
1Biomedical Engineering, Tsinghua University, Beijing, China, 2Philips Healthcare, Beijing, China

Non-contrast enhanced MRA of abdominopelvic arteries within a large field of view is very challenging due to rapid blood flow and variant flow speed among different subjects. Simultaneous Non-contrast Angiography and intraPlaque imaging (SNAP), a non-contrast enhanced MRA technique, provides reliable imaging for the carotid and intracranial arteries. In this study, we sought to explore the feasibility of SNAP with compressed sensing acceleration in abdominopelvic arteries imaging. The complementary information provided by different scans with different velocity sensitivities can be combined to obtain reliable abdominopelvic MRA with a large coverage.

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