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Updated: Jan 28, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
One stage atrioventricular nodal ablation and leadless pacemaker implantation for refractory atrial fibrillation
Chu-Pak Lau1, Kathy Lai-Fun Lee1
1Cardiac Health Heart Centred and Cardiology Division Department of Medicine Queen Mary Hospital The University of Hong Kong Hong Kong China.
Abstract:
Atrioventricular nodal (AVN) ablation and right ventricular (RV) pacing is recommended for refractory atrial fibrillation (AF) and tachycardia-bradycardia syndrome. Three AF patients (mean age 83, range 79-89 years) underwent AVN ablation and transvenous leadless pacemaker Micra™ implantations using the same venous access without anticoagulation interruption. Satisfactory pacing 0.59 (0.50-0.63) V at 0.24 ms and sensing 11.2 (6.3-15.6) mV were achieved within 1-3 deployments. There were no vascular complications nor device dislodgment. Durable pacemaker parameters and VVIR pacing were achieved. Combined AVN ablation and leadless pacemaker implantation is feasible and safe, and avoids pacemaker pocket hematoma and bleeding complications in patients on uninterrupted anticoagulation.
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