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Abstract #1656

Renal Artery Embolization Under 0.55T: Real-Time Navigation, Visualization, Segment Selection, and Perfusion

Nathan Ooms1,2, Eric Brandner2, Jesse Roll2, Ruth Anderson2, Joshua Krieger2, Patrick Sutphin3, and Sanjeeva Kalva3
1Purdue University, West Lafayette, IN, United States, 2Cook Advanced Technology, West Lafayette, IN, United States, 3Mass General Brigham, Boston, MA, United States

Synopsis

Keywords: Kidney, Kidney

Motivation: Our motivation is to investigate procedures typically done with radiography, and see how moving into low field Interventional MRI could advance procedure success and ease on a 0.55T Free.Max.

Goal(s): Our aim is to demonstrate the ability to navigate renal vasculature selectively, visualize soft tissue perfusion, deploy a commercially available embolization device, and investigate perfusion post embolization.

Approach: Modified Cook interventional devices were implemented in a porcine model. Two Interventional Radiologists navigated to 6 determined locations based upon acquired images.

Results: Quality of imaging was sufficient and devices operated properly in occluding vessels in 6 locations. Perfusion images confirmed occlusion in real time.

Impact: The speed of procedure, as well as visual confirmation in real time, has led us to continue investigating Renal Artery Embolization techniques under MRI guidance. We will also be investigating other procedures that would benefit from real time MRI guidance.

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Keywords