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Abstract #1819

Quiet EPI (QuEPI) for single-shot spin and gradient echo EPI sequences for efficient fetal imaging

Jana Maria Hutter1, Anthony N Price1, Lucilio Cordero Grande1, Emer Judith Hughes1, Kelly Pegoretti1, Andreia Oliveira Gaspar1, Laura McCabe1, Mary Rutherford1, and Joseph V Hajnal1

1Centre for the developing brain, King's College London, London, United Kingdom

Quiet sequences are of particular importance for fetal EPI based imaging, where the necessary protection of the unborn infant can often compromise the efficiency and achievable resolution of the EPI acquisition. This is of particular relevance for connectome type studies, where long functional and diffusion weighted sequences need to be acquired in an efficient and safe way.This abstract presents a quiet SE and GE EPI framework with sinusoidal read-out constant phase and merged crusher strategy, completely flexible and adaptable to the scanner impulse response function leading to a decrease of up to 9dB(A).

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