Feasibility of Noninvasive Cardiac Ablation Utilizing Intensity Modulated Proton Therapy to Treat Ventricular Tachycardia

      We have recently demonstrated safety and feasibility (Cuculich et al, NEJM-2017) of using noninvasive single-fraction photon based SBRT to treat patients with refractory, life-threatening, ventricular tachycardia (VT). Intensity Modulated Proton Therapy (IMPT) has the potential to reduce dose to non-target heart tissue (NTHT). In this study we evaluated the feasibility and potential dosimetric improvements using IMPT for noninvasive treatment of VT.
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