Mapping Atrial Fibrillation in 2020: Key Updates, Emerging Techniques, Unresolved Issues-Sequential Contact Mapping Using Electrogram Dispersion

Video Transcription

Video Summary

In this video presentation, the speaker discusses patient-tailored approaches in persistent atrial fibrillation (AF) ablation. The speaker emphasizes that not all patients with AF should be ablated in the same way, as they have different factors such as sex, age, comorbidities, and complexity of AF. The speaker presents various ablation approaches, including atrial segmentation and chemical ablation in the vein of Marshall, but highlights their limitations in terms of success rates. The use of panoramic mapping approaches for AF driver detection is then discussed, with the speaker mentioning studies that demonstrate the clinical benefit of detecting and ablating AF drivers. The speaker explains the concept of spatiotemporal dispersion of electrograms as a footprint of AF drivers and presents their own approach of dispersion-guided ablation, which has shown good acute efficacy and short procedural times. Long-term outcomes of this approach are also presented, showing favorable results. The speaker concludes by mentioning the potential of artificial intelligence in automating and improving the reproducibility of AF ablation strategies.

Keywords

patient-tailored approaches

persistent atrial fibrillation

ablation

panoramic mapping

artificial intelligence