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Abstract #4285

A 3He/1H Switched Frequency High-Pass Birdcage Coil for Hyperpolarized 3He Imaging in Neonates at 1.5 T

Ronald G Pratt1, Randy O Giaquinto1, Christopher M Ireland1,2, Barret Daniels3, Wolfgang Loew1, Nara S Higano4,5, Robert Thomen6, Jason C Woods4,7, and Charles L Dumoulin1

1Imaging Research Center/Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States, 2Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH, United States, 3CanonUSA, Cambridge, MA, United States, 4Pulmonary Imaging Research Center/Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States, 5Department of Physics, Washington University in St. Louis, St. Louis, MO, United States, 6Departments of Radiology and BioEngineering, University of Missouri-Columbia, Columbia, MO, United States, 7Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States

We report details on the fabrication and performance of a transmit/receive 3He/1H switched frequency 16 rung high-pass birdcage coil for neonatal imaging at 1.5 Tesla. The coil enables collection of 3He images of neonatal lungs inflated with hyperpolarized 3He gas and ultra-short echo time (UTE) 1H images. Rotation of a shaft in the coil housing shifts the coil between 3He and 1H operating modes. 3He and UTE 1H images of explanted lungs inflated with hyperpolarized 3He gas collected using the coil demonstrate the excellent image quality achieved with the coil.

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