Abstract #0794

Lower risk of hearing loss without sacrificing image quality in fetal MR imaging: a feasibility study using acoustic reduction technique

Le Cao¹, Ting Liu¹, Junjun Li¹, Jingtao Sun¹, Jianxin Guo¹, Xiaocheng Wei², and Jian Yang¹

¹The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China, ²MR Research China, GE Healthcare, Bei Jing, China

3.0T MR scanner can achieve superior image quality depicting fetal anatomic details over 1.5T, but may poses higher risk of adverse impact on fetal auditory development due to its intrinsically higher acoustic noise level. This comparative study investigated the value of acoustic noise reduction technique in fetal exam. The result shows the technique can acquire equivalent quality images in 3.0T scanner, meanwhile decrease hearing loss risk in fetal head examinations compared with the conventional method.

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