Meeting Banner
Abstract #1454

Pulmonary MRI of Infants in the Neonatal Intensive Care Unit: Initial Experience with 3D Radial UTE

Andrew D. Hahn 1 , Nara S. Higano 2,3 , Laura L. Walkup 2 , Xuefeng Cao 2,4 , Robert P. Thomen 2,3 , Jean A. Tkach 5 , Charles L. Dumoulin 6,7 , Kevin M. Johnson 1 , Scott K. Nagle 1,8 , Jason C. Woods 2,3 , and Sean B. Fain 1,8

1 Department of Medical Physics, University of Wisconsin - Madison, Madison, Wisconsin, United States, 2 Center for Pulmonary Imaging Research, Cincinnati Childrens Hospital Medical Center, Cincinnati, Ohio, United States, 3 Department of Physics, Washington University in St Louis, St. Louis, Missouri, United States, 4 Department of Physics, University of Cincinnati, Cincinnati, Ohio, United States, 5 Department of Radiology, Cincinnati Childrens Hospital Medical Center, Cincinnati, Ohio, United States, 6 Imaging Research Center - Department of Radiology, Cincinnati Childrens Hospital Medical Center, Cincinnati, Ohio, United States, 7 Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio, United States, 8 Department of Radiology, University of Wisconsin - Madison, Madison, Wisconsin, United States

High isotropic resolution (<1mm) MRI of lung parenchymal structure is performed in non-sedated neonatal intensive care unit (NICU) patients using a unique, 1.5T neonatal MRI system located within the CCHMC NICU and a 3-D ultra-short echo time (UTE) pulse sequence. Reconstructed images are retrospective respiratory gated to end-expiration using self-navigation properties of the center-out radial sequence. We demonstrate the ability to generate diagnostic quality images at resolution similar to computed tomography with the presented approach, and show significant improvements over previous methodology.

This abstract and the presentation materials are available to members only; a login is required.

Join Here