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Abstract #2224

Ultrafast Fetal MR Imaging using Interpolated Compressed Sensing

Yong Pang 1 , Jindai Jiang 2 , and Xiaoliang Zhang 1,3

1 Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, CA, United States, 2 Department of Radiology, 2nd Hospital of Guangzhou Medical University, Guangzhou, China, 3 UCSF/UC Berkeley Joint Graduate Group in Bioengineering, San Francisco & Berkeley, CA, United States

Fetal MRI provides detailed fetal anatomy and is being increasingly used to evaluate fetal development. However, the image quality is degraded by the fetal motion and maternal respiratory and involuntary movements during long acquisition time. In this study, we applied the interpolated compressed sensing method to accelerate the acquisition and increase contrast to noise ratio (CNR) for multi-slice two-dimensional MR imaging. By combining with parallel imaging, the acquisition time can be further reduced. In-vivo MR of a pregnant woman has been used to investigate the feasibility of this method, showing obviously increased CNR compared with the conventional CS.

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