Dual-Modality Focal Ablation for Refractory Ventricular Summit Ectopy: First-in-Human Experience
Narut Prasitlumkum1, Xiaoke Liu1, Benjamin Hibbert1
1Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.
JACC. Case Reports
|April 7, 2026
Summary
This study shows a new dual-modality catheter successfully treated refractory premature ventricular contractions (PVCs) originating from the left ventricular summit. The novel approach offers a promising option for challenging ventricular ablation cases.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Devices
Background:
- Catheter ablation of the left ventricular (LV) summit is challenging due to complex anatomy and proximity to coronary arteries.
- Previous ablation methods have shown variable outcomes, necessitating innovative approaches.
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