Abstract #4608

Auto-calibrated Mutiband First-pass Perfusion Imaging with CS reconstruction in patients with suspect CAD at 3T MRI

Lixian Zou^1,2, Jialing Chen³, Yuan Zheng⁴, Yu Ding⁴, Yubao Liu³, Jian Xu⁴, Hairong Zheng^1,2, and Xin Liu^1,2

¹Paul C. Lauterbur Research Centre for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Science, Shenzhen, China, ²Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen, China, ³Medical Imaging Center, Shenzhen Hospital, Southern Medical University, Shenzhen, China, ⁴UIH America Inc., Houston, TX, United States

Synopsis

A whole heart perfusion imaging with auto-calibrated multiband CAIPIRINHA with through-time encoding and iterative reconstruction (tMB+CS-FPP) has been proposed to acquire multiple slices simultaneously without extra reference scans. The technique can achieve perfusion images with doubled anatomic coverage with identical spatial resolution. In this study, we compared the performance of the tMB+CS-FPP using different k-t undersampling patterns in a phantom study. And the proposed method was performed to the patients with suspect CAD and was compared to the conventional FPP.

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