FIGURE 1
Details of the HBA and CBA technique. The cryoballoon or hotballoon is positioned to include each of the 4 PV antra and the PV-LA junctions. In addition, the HBA is applied to the bilateral upper posterior LA wall and right carina region. CBA = cryoballoon ablation; HBA = hot balloon ablation; LIPV = left inferior pulmonary vein; LSPV = left superior pulmonary vein; RIPV = right inferior pulmonary vein; RSPV = right superior pulmonary vein.