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B-PO05-019 THE ATRIAL-PULMONARY VEIN JUNCTION CONSTITUTES AN ARRHYTHMOGENIC SUBSTRATE

      Ablative pulmonary vein isolation (PVI) is ineffective in atrial fibrillation (AF) prevention in 40% of AF patients. The role of the atrial-pulmonary vein (A-PV) junction in arrhythmogenesis is poorly understood since incomplete PVI can be curative. We aimed to test the hypothesis that the A-PV junction constitutes a structural and functional arrhythmogenic substrate.
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