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Abstract #2518

Time-Resolved Non-Contrast Fresh Blood Imaging MRA Using Compressed Sensing Reconstruction

Cheng Ouyang 1 , Aiming Lu 1 , Xiangzhi Zhou 1 , and Mitsue Miyazaki 1

1 Toshiba Medical Research Institute USA, Vernon Hills, IL, United States

As an ECG-gated non-contrast MRA technique, FBI enables the visualization of peripheral arterials by utilizing the physiological signal differences between two cardiac phases: systolic and diastolic phases. It is desirable to depict the vascular inflow effects and to obtain more insightful information on vascular physiology by the time-resolved FBI technique. In this work, we demonstrate the feasibility of an accelerated time-resolved non-contrast FBI MRA technique using compressed sensing, besides, the image reconstruction time was significantly reduced using coil compression.

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