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Abstract #1597

A novel 16 channel flexible coil for highly accelerated upper-airway MRI

Wahidul Alam1, Rushdi Zahid Rusho1, Scott Reineke2, Madavan Raja2, Stanley Kruger3, Joseph M. Reinhardt1, Junjie Liu4, Douglas Van Daele5, and Sajan Goud Lingala1,2
1Roy J Carver Department of Biomedical Engineering, University of Iowa, iowa city, IA, United States, 2ScanMed LLC, Omaha, NE, United States, 3Department of Radiology, University of Iowa, iowa city, IA, United States, 4Department of Neurology, University of Iowa, iowa city, IA, United States, 5Department of Otolaryngology, University of Iowa, iowa city, IA, United States

We develop a novel custom airway coil that offers significant boost in signal sensitivity in several regions of the upper-airway such as tongue, soft-palate, pharynx, glottis. Our coil is designed to be flexible for easy conformation to the subjects face/neck anatomy. With the proposed coil, we demonstrate robust parallel MRI performance up to R=4-5 fold for static imaging with 1-D under-sampling, and highly accelerated dynamic imaging (up to R~27 fold) of swallowing, and airway shaping due to variations in breathing.

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