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Abstract #1569

Prospectively Navigated Multi-Echo GRE Sequence for Improved 2D BOLD Imaging of the Kidneys

Glen Morrell1, Eun-Kee Jeong1, Xianfeng Shi1, Lei Zhang1, Vivian S. Lee1

1Utah Center for Advanced Imaging Research, University of Utah, Salt Lake City, UT, United States

A prospectively navigated free breathing multiple echo GRE sequence with constant repetition time has been implemented to improve T2* estimation in the kidneys (renal BOLD imaging). The new sequence allows imaging times longer than a single breath hold, enabling the flexible tradeoff of imaging time for resolution and SNR. The new sequence gives renal T2* maps with markedly improved resolution and SNR compared to conventional single breath hold imaging.