Abstract #0616

Phase-cycled simultaneous multi-slice balanced SSFP imaging with CAIPIRINHA for efficient banding reduction

Yi Wang¹, Xingfeng Shao¹, Thomas Martin¹, Steen Moeller², Essa Yacoub², and Danny JJ Wang¹

¹Neurology, UCLA, Los Angeles, CA, United States, ²Center of Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States

The application of balanced SSFP (bSSFP) is limited by the banding artifact resulting from its sensitivity to field inhomogeneity. A common approach for band reduction involves multiple measurements with different RF phase cycling, at the cost of lengthened total imaging time. In this work, we present a novel time-efficient bSSFP banding reduction technique by utilizing simultaneous multi-slice (SMS) imaging with CAIPIRINHA to acquire multiple phase-cycled images within the same imaging time of a single-band bSSFP scan. Effective band reduction is demonstrated in phantom, abdominal and brain imaging with SMS factor up to four.

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