Abstract #1898

5-minute non-sedated neonatal and pediatric pulmonary UTE based MRI studies

Xucheng Zhu¹, Marilynn Chan¹, John Mackenzie¹, Scott K. Nagle², Joseph Cheng³, Shreyas S. Vasanawala ³, Michael Lustig⁴, Kevin M. Johnson², and Peder E.Z. Larson¹

¹Radiology, University of California San Francisco, San Francisco, CA, United States, ²Department of Medical Physics, University of Wisconsin, Madison, Madison, WI, United States, ³Department of Radiology, Stanford University, Stanford, CA, United States, ⁴Department of Electrical Engineering and Computer Sciences, UC Berkeley, Berkeley, CA, United States

Pulmonary MRI is free of ionizing radiation, which is beneficial for screening and longitudinal imaging in radio-sensitive populations, like newborns and children. However, practical considerations make pediatric pulmonary MRI challenging, including smaller body size, increased respiration rate, and increased motion from inability to hold still. In this work, we propose an optimized 5-minute non-sedated neonatal and pediatric pulmonary UTE, applied on seven patients.

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