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Abstract #1833

A novel acoustic quiet coil for neonatal MRI system

Christopher M Ireland 1,2 , Randy O Giaquinto 2 , Jean A Tkach 2 , Ronald G Pratt 2 , and Charles L Dumoulin 2

1 Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH, United States, 2 Imaging Research Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States

MRI acoustic exposure has the potential to elicit physiological distress and impact development in preterm and term infants. To mitigate the risk, a novel acoustic quiet body coil for a neonatal MR system has been developed to reduce the sound pressure level experienced by neonates during MR procedures. Acoustic characterization demonstrated the quiet coil was consistently quieter, on average of 9 dBA, compared to a conventional body coil. The quiet coil provides a robust way of attenuating noise that does not require imaging pulse sequence modifications, is patient-independent, and synergistic with other attenuating practices.

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