Abstract #2702

A Validation Study of Real-time Phase Contrast MRI with Low-Rank Modeling

Aiqi Sun¹, Bo Zhao², Yunduo Li¹, Qiong He¹, Zechen Zhou¹, Shuo Chen¹, Rui Li¹, and Chun Yuan^1,3

¹Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua Universiy, Beijing, China, People's Republic of, ²Martinos Center for Biomedical Imaging, Harvard Medical School, Chalestown, MA, United States, ³Department of Radiology, University of Washington, Seattle, WA, United States

Conventional phase-contrast (PC) MRI method relies on ECG-synchronized cine acquisition to acquire data over multiple cardiac cycles. The underlying spatiotemporal averaging limits this method to studying pathological irregularities. Real-time PC-MRI is a promising approach to overcome these limitations. Although several techniques have been developed to real-time PC-MRI, few have been fully validated due to the difficulty of acquiring a reference data set as gold standard. This study aims at validating the accuracy of a novel real-time PC-MRI technique through both flow phantom experiments and in vivo experiments.

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