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Abstract #1127

Simple Anatomical Measures Correlate with Individual PNS Thresholds for kHz-range Homogeneous Magnetic Fields

Omer Burak Demirel1,2,3,4, Toygan Kilic1,2, Tolga Çukur1,2,5, and Emine Ulku Saritas1,2,5
1Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey, 2National Magnetic Resonance Research Center (UMRAM), Bilkent University, Ankara, Turkey, 3Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States, 4Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States, 5Neuroscience Graduate Program, Bilkent University, Ankara, Turkey

This work shows for the first time that fat percentage strongly correlates with peripheral nerve stimulation (PNS) thresholds for kHz-range homogeneous magnetic fields. The correlations get even stronger after taking into account the effects of body part size that is exposed to the magnetic field. These types of magnetic fields are used as excitation field in Magnetic Particle Imaging (MPI). Hence, these results can potentially lead to subject specific threshold prediction, allowing high performance scans within subject specific safety limits.

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