Safety and impact of pulsed field ablation on pulmonary vein stenosis after prior thermal ablation
K Tokutake, S Shiomi, Y Yamazaki, R Sakurai, T Matsumoto, H Sato, H Oseto, M Yokoyama, S Yamashita, M Tokuda · 2026
Read Safety and impact of pulsed field ablation on pulmonary vein stenosis after prior thermal ablation by K Tokutake, S Shiomi, Y Yamazaki, R Sakurai, T Matsumoto, H Sato, H Oseto, M Yokoyama, S Yamashita, M Tokuda (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13302324.txt.
Description
K Tokutake and co-authors ask, in a 2026 study, whether pulsed field ablation can be used safely in lung veins already narrowed by an earlier heat-based ablation. Narrowing, called stenosis, is a feared side effect of thermal treatment, and redo procedures might worsen it. The new energy source mainly harms heart muscle while sparing nearby tissue.
Six patients with recurrent atrial fibrillation had repeat ablation after earlier radiofrequency or freezing-balloon treatment. CT scans measured vein openings before treatment and three months afterwards, slice by slice. Average narrowing stayed essentially unchanged after the new procedure, and no vein with severe pre-existing narrowing got worse. Nobody developed symptoms or major complications, supporting the redo approach in this small group.
Catalog record
| CREATOR | K Tokutake, S Shiomi, Y Yamazaki, R Sakurai, T Matsumoto, H Sato, H Oseto, M Yokoyama, S Yamashita, M Tokuda |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 2 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |