Superior vena cava isolation in addition to standard pulmonary vein isolation by fourth-generation cryoballoon for paroxysmal atrial fibrillation - mid-term outcomes of a randomized trial

At the end of the 12-month follow-up, the PVI+SVCi group showed a trend toward higher freedom from AF compared to the PVI-only group, although statistical significance was not reached (89.4% vs 79.8%; log-rank test p = 0.096).

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