ArticleCureus2026
Termination of Longstanding Persistent Atrial Fibrillation Using a Novel Large Focal Lattice-Tip Pulsed Field Ablation Catheter: A Case Report.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors.
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Abstract
Catheter ablation in longstanding persistent atrial fibrillation (AF) presents unique challenges, particularly in patients with large left atria and prior atrioventricular nodal dysfunction. While novel pulsed-field ablation (PFA) has been shown to be safer, no data yet show that a large focal lattice-tip catheter may be more effective. We present a 66-year-old man with symptomatic, longstanding, persistent AF and underlying sick sinus syndrome who underwent catheter ablation using Affera 3D mapping (Medtronic, Minneapolis, MN) and the Sphere 9 catheter (Medtronic, Inc, Mounds View, MN) to provide a combined pulsed field and radiofrequency approach. High-resolution electroanatomic mapping guided pulmonary vein isolation, which was extended to include posterior wall isolation, mitral isthmus ablation, and cavotricuspid isthmus ablation due to multiple arrhythmia foci. During delivery of PFA to complete posterior wall isolation, there was termination of AF to a normal sinus rhythm. This case highlights the utility of comprehensive lesion sets and advanced mapping technologies in achieving rhythm control in complex persistent AF.
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