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Abstract #2995

An accelerated peripheral MRA based on velocity-selective RF pulse using radial-MAGGULLI

Dongchan Kim1, Yeji Han1, Jun-Young Chung1, and HyunWook Park2

1Gachon University, Incheon, Republic of Korea, 2KAIST, Daejeon, Republic of Korea

We recently proposed a new peripheral MRA technique using velocity-selective gradient-echo (VS-GRE) sequence. Despite the high CNR and background suppression of the VS-GRE technique, this technique suffered from the reduced CNR efficiency, which was caused by the reduced sampling efficiency of radial trajectory in the peripheral region with anisotropic FOV. In this work, we propose a combination of the proposed peripheral MRA and the simultaneous multi-slice (SMS) imaging technique in the radial trajectory. In-vivo experiment results show that the proposed method could produce peripheral MRA with the reduced imaging time by radial-MAGGULLI.

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