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Abstract #2329

Real-Time Imaging Plane Control using Tip Tracking Coils and Motion Prediction

Peng Wang 1 and Orhan Unal 1,2

1 Medical Physics, University of Wisconsin - Madison, Madison, Wisconsin, United States, 2 Radiology, University of Wisconsin - Madison, Madison, Wisconsin, United States

MRI-guided RF ablation is a promising method for guiding and conducting thermal therapies such as electrophysiology (EP) procedures and relies on accurate temperature monitoring. Proton resonance frequency (PRF) shift MR thermometry, which is the choice of method, is very sensitive to motion. In this work, a novel method that employs active tip tracking coils and Extended Kalman Filter is proposed for motion prediction and compensation. Compared with previously described MR thermometry methods, the proposed method can be particularly advantageous for correcting through-plane motion.

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