Publication: Reablation in Atrial Fibrillation Recurrence and Pulmonary Vein Reconnection: Cryoballoon versus Radiofrequency as Index Ablation Procedures.
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2022-10-03
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Molina-Ramos, Ana Isabel
Ruiz-Salas, Amalio
Medina-Palomo, Carmen
Pavón-Morón, Francisco Javier
Rodríguez-Capitán, Jorge
Gutiérrez-Bedmar, Mario
Berteli-García, Germán
Fernández-Lozano, Ignacio
Gómez-Doblas, Juan José
Jiménez-Navarro, Manuel
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Abstract
Pulmonary vein (PV) isolation is a well-established rhythm control therapy in atrial fibrillation (AF). Currently, there is no consensus on which ablation technique to use for the first procedure, cryoballoon (CB) or radiofrequency (RF). A retrospective cohort study was conducted on 1055 patients who underwent a first ablation, to assess both techniques based on the need for reablation. Patients with CB (n = 557) and RF (n = 498) ablations were clinically characterized and the need for reablation during a 30-month follow-up was used as the primary endpoint. Independent variables were analyzed to identify potential predictors. The need for reablation was significantly lower in the CB group than in the RF group (hazard ratio = 0.45 and 95% confident interval = 0.32−0.61; p
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atrial fibrillation, catheter ablation, cryoballoon, pulmonary vein reconnection, radiofrequency, reablation, recurrence