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- W1480455859 abstract "Dissociated Pulmonary Vein Activity for Paroxysmal Atrial Fibrillation Background The role of dissociated pulmonary vein (DPV) activity after pulmonary vein isolation (PVI) is still poorly defined. We evaluated electrophysiological features and clinical impact on long‐term outcome of DPV activity. Methods A total of 243 patients (mean age 63 ± 11 years; 63% males) undergoing PVI for paroxysmal atrial fibrillation (AF) were included. DPV activity was defined as a residual low frequency irregular PV rhythm. Patients were divided into Group 1 (presence of DPV activity; n = 65) or Group 2 (absence of DPV activity; n = 178). Results Of 936 isolated PVs, 112 PVs (12%) showed DPV activity. DPV activity was observed more frequently in PVs identified as AF triggers (P = 0.026). During follow‐up (mean 12 ± 7 months), 15 of 65 patients of Group 1 (23%) and 57 of 178 patients of Group 2 (32%) had an arrhythmia recurrence (P = 0.23). At linear regression analysis, no independent predictor for clinical recurrence was identified. During the repeat ablation, 62 of 72 patients (86%) showed a recovered PV conduction without difference between the 2 groups. Clinically, all patients of Group 1 with PV reconnection (n = 13/15) had a recurrence of paroxysmal AF. In Group 2, 5 of 52 patients with reconnected PV developed non‐PV related arrhythmias. Conclusion DPV activity occurred in 12% of PVs after PVI and was observed more frequently in PVs identified as AF triggers. DPV activity was not predictive for AF recurrence during follow‐up. PV‐left atrium reconnection involving PVs with DPV activity leads to AF." @default.
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- W1480455859 date "2014-09-03" @default.
- W1480455859 modified "2023-10-03" @default.
- W1480455859 title "Dissociated Pulmonary Vein Activity After Pulmonary Vein Isolation for Paroxysmal Atrial Fibrillation: A Predictor for Recurrence?" @default.
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- W1480455859 doi "https://doi.org/10.1111/jce.12507" @default.
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