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Abstract #4776

Auto-calibrated Multiband Retrospective GRE Cine at 5T with Improved Reconstruction

Yuan Zheng1, Lele Zhao2, Zhongqi Zhang1, Junpu Hu2, Yu Ding1, and Jian Xu1
1UIH America, Inc, Houston, TX, United States, 2Shanghai United Imaging Healthcare Co. Ltd, Shanghai, China


GRE sequences benefit from increased SNR at high field and do not suffer from banding artifacts / SAR issues as bSSFP sequences. We have implemented an autocalibrated multiband retrospective GRE Cine sequence at 5 T. The autocalibrated multiband acquisition increases the efficiency of the sequence by reducing the scan time and simplifying the multiband imaging workflow. A compressed sensing reconstruction with implicit phase interpolation and temporal TV periodic boundary condition were implemented to further improve image quality. We have evaluated this application on volunteers and achieved high quality GRE Cine images.

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