Abstract #5576

RF Heating Studies on Anesthetized Swine Using Fractionated Dipole Antennas at 10.5 T

Yigitcan Eryaman¹, Russell L. Lagore¹, Arcan Erturk¹, Lynn Utecht¹, Patrick Zhang¹, Angel Torrado-Carvajal^2,3, Esra Abaci Turk⁴, Lance DelaBarre¹, Gregory J Metzger¹, Gregor Adriany¹, Kamil Ugurbil¹, and J. Thomas Vaughan¹

¹University of Minnesota-Center for Magnetic Resonance Research, Minneapolis, MN, United States, ²Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, MA, United States, ³Medical Image Analysis and Biometry Laboratory, Universidad Rey Juan Carlos, Madrid, Spain, ⁴Boston Children's Hospital, Harvard Medical School, MA, United States

We measured temperature increase (ΔT) in anesthetized swine using fluoroscopic probes and compared our results to the simulated solutions obtained from digital models of the same swine. For our studies, we used a 4 channel fractionated dipole array that is placed on the neck/upper back region. Electromagnetic and thermal simulations were performed along with in vivo experiments with different RF excitation patterns at 10.5 T.

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