Key result
Delayed-enhancement MRI visualizes post-cryoballoon ablation lesion sets and identifies pulmonary vein scar gaps.
Why the study?
Little is known about the extension of pulmonary vein–left atrium lesions after cryothermal balloon ablation in clinical practice.
Case Report (n=1)
No
Answers are grounded in this paper and cite their sources.
Electrical pulmonary vein (PV) isolation is an effective technique that is used to treat patients with paroxysmal atrial fibrillation (AF).1–5 In recent years, PV isolation by cryothermal balloon (CB) ablation has been increasingly adopted by electrophysiology laboratories around the world.6–8 This technology is associated with more reproducible results and reduced procedural times and may be less influenced by operator dexterity than the traditional point-by-point approach with radiofrequency catheter ablation.
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Mishima et al. (2015) conducted a case report in Paroxysmal atrial fibrillation (n=1). Cryothermal balloon ablation and delayed-enhancement MRI was evaluated on Visualization of pulmonary vein-left atrium lesions. Delayed-enhancement magnetic resonance imaging clearly visualized the lesion set after cryothermal balloon ablation, revealing incomplete encircling scars and gaps around the right pulmonary veins.
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