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Abstract #0897

Optimization of Compressed Sensing Acceleration Factors for Lumbosacral Plexus 3D MRI

Renwang PU1, Qingwei SONG2, Ailian LIU1, Hao nan ZHANG1, Nan ZHANG1, and Jiazheng WANG3
1the First Affiliated Hospital of Dalian Medical University, Dalian, China, 2the First Affiliated Hospital of Dalian Medical University, DALIAN, China, 3Philips Healthcare, BEIJING, China

Lumbosacral plexus MRI with 3D-T2*-FFE enables high-resolution periphery nerve images, but the scanning time is long, leading to potential motion artifacts especially in patients with poor coordination. Compressed sensing(CS)is a novel imaging technology reported reduce imaging time while retaining image quality. We compared a series of compressed sensing acceleration factors to 2-fold SENSE acceleration and identified 3-fold acceleration with compressed sensing optimal for brachial plexus images.

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