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Abstract #1693

Acceleration of brain MRA with Spiral, compared with Compressed SENSE

Yujie Yu1, Maoxue Wang1, Xiance Zhao2, and Weibo Chen2
1The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China, 2Philips Healthcare, Shanghai, China

Synopsis

Keywords: Vessels, Brain, TOFThe purpose of this study is to quantitively and qualitatively evaluate the clinical feasibility of spiral-based TOF-MRA (MRAspiral) in terms of acceleration of data acquisition and imaging performance, with reference to the routine use of TOF-MRA with C-SENSE=4. The results showed that MRAspiral with τ=8 (2min7s) can significantly reduce the acquisition time by 44.3% with a balanced image quality and scan time for arteries visualization and clinical diagnosis.

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