Key result
Epicardial connections via intercaval fibers connecting the right-sided pulmonary veins and right atrium can preclude isolation of these veins during ablation for atrial fibrillation.
Why the study?
Epicardial connections via intercaval fibers connecting the right-sided pulmonary veins and right atrium can preclude pulmonary vein isolation during radiofrequency-based circumferential antral pulmonary vein isolation for atrial fibrillation.
Authors
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May explain failed right PV isolation in AF ablation; hypothesis-generating and requires prospective validation.
Hasebe et al. (2020) studied Atrial fibrillation. Radiofrequency-based circumferential antral pulmonary vein isolation was evaluated. Epicardial connections via intercaval fibers connecting the right-sided pulmonary veins and right atrium can preclude isolation of these veins during ablation for atrial fibrillation.
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