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 Lingala^1,2

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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