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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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