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- Title
Durable pulmonary vein isolation with optimized high‐power and very high‐power short‐duration temperature‐controlled ablation: A step‐by‐step guide.
- Authors
De Potter, Tom J. R.; De Becker, Benjamin; Duytschaever, Mattias
- Abstract
Introduction: Through systematic scientific rigor, the CLOSE guided workflow was developed and has been shown to improve pulmonary vein isolation durability. However, this technique was developed at a time when using power‐controlled ablation catheters with conventional power ranges was the norm. There has been increased adoption of a high‐power and very high‐power short‐duration ablation practice propelled by the availability of the temperature‐controlled radiofrequency QDOT MICRO catheter. Methods: There are fundamental differences in biophysics between very high‐ powered temperature guided ablation and conventional ablation strategy that may impact patient outcomes. The catheter's design and ablation modes offer flexibility in technique while accommodating the individual operator's clinical discretion and preference to deliver a durable, transmural, and contiguous lesion set. Results: Here, we provide recommendations for 3 different workflows using the QDOT MICRO catheter in a step‐by‐step manner for pulmonary vein isolation based on our cumulative experience as early adopters of the technology and the data available in the scientific literature. Conclusions: With standardization, temperature‐controlled ablation with the QDOT MICRO catheter provides operators the flexibility of implementing different ablation strategies to ensure durable contiguous pulmonary vein isolation depending on patient characteristics.
- Subjects
PULMONARY veins; ACTION potentials; VASCULAR catheters; RESEARCH funding; BLOOD vessels; PRODUCT design; BIOPHYSICS; RADIO frequency therapy; TREATMENT effectiveness; IN vivo studies; PATIENT care; WORKFLOW; HEART beat; ATRIAL fibrillation; MEDICAL equipment; CATHETER ablation; TEMPERATURE; TIME
- Publication
Journal of Cardiovascular Electrophysiology, 2024, Vol 35, Issue 5, p886
- ISSN
1045-3873
- Publication type
Article
- DOI
10.1111/jce.16217