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Abstract #4432

Feasibility of Cardiac-Gated 3T MRI-Guided Myocardial Ablation with High Intensity Focused Ultrasound

Aravind Swaminathan1, Viola Rieke2, Randy Lee King2, John Pauly3, Kim Butts-Pauly2, Michael McConnell1

1Medicine, Stanford University School of Medicine, Stanford, CA, USA; 2Radiology, Stanford University, Stanford, CA, USA; 3Electrical Engineering, Stanford University, Stanford, CA, USA

3T MRI guided cardiac HIFU was performed and proved feasible in an ex-vivo study on porcine myocardium. Left ventricular septal ablation lesions could be created of varying size and with cardiac gating. Ablation was successfully monitored with MR temperature mapping.