Abstract #2817

Real-time 4D Flow MRI with Arbitrary Acquisition Duration

Yichen Zheng¹, Aiqi Sun², Shuo Chen¹, Xiaole Wang¹, Chun Yuan^1,3, and Rui Li¹

¹Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China, ²Neusoft Medical System, Shanghai, China, ³Vascular Imaging Laboratory, Department of Radiology, University of Washington, Seattle, WA, United States

Real-time 4D flow MRI, without ECG gating and respiration control, has been developed as an effective tool to evaluate hemodynamics. With the benefits of low rank and partial separable model, it could be reconstructed with arbitrary acquisition duration. In this study, we investigated the relationship between acquisition duration and image quality of real-time 4D Flow MRI, and proposed optimized acquisition duration considering both image quality and acquisition efficiency.

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