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Phased RF ablation: results and concerns

            Treatment of atrial fibrillation (AF) with catheter ablation has proven to be a safe and effective treatment modality which is offered to an increasing number of patients in many centers. Pulmonary vein isolation (PVI) is an established cornerstone of AF ablation strategies. Athough the isolation of the pulmonary veins (PVs) with irrigated focal radiofrequency (RF) catheters using a point-by-point method is considered as the gold standard, it can be challenging to create contiguous lesions, time consuming, and require advanced three dimensional (3D) mapping and navigational systems. The phased RF ablation system was designed to address many of these challenges associated with conventional focal RF ablation. In this review, we describe the main features of phased RF ablation and summarize the data available on clinical outcome with this technology.

Credits: Alexandra Kiss, MD, PhD; Gábor Sándorfi, MD; Edina Nagy-Baló, MD, PhD; Mihran Martirosyan, MD; Zoltan Csanadi, MD, PhD

Biosense Webster
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Introduction to AFib
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