Overall (n=25)
Age – years (SD) 60 (9)
Male sex – no. (%) 17 (68)
EHRA score – no. (IQR) 3 (2)
CHA2DS2-VAsc score – no. (IQR) 2 (2)
Long-standing persistent atrial fibrillation – no. (%) 21 (84)
BMI – kg/m2 (SD) 28 (5)
Hypertension – no. (%) 19 (76)
Diabetes – no. (%) 4 (16)
Coronary artery disease – no. (%) 5 (20)
Heart failure – no. (%) 10 (40)
LVEF - % (IQR) 54 (10)
LA volume – ml (SD) 161 (25)
LA diameter – mm (SD) 49 (5)
Interventricular septum thickness – mm (SD) 12 (3)
Duration of last AF episode – months (IQR) 7 (4)
Duration since first AF episode – months (SD) 49 (21)
Previously failed AADs – no (IQR) 2 (1)
Prior single PVI – no. (%) 15 (60)
Prior double PVI – no. (%) 10 (40)
Prior left atrial roof line – no. (%) 5 (20)
Prior mitral isthmus line – no. (%) 2 (8)
Pulmonary vein reconnection at the time of endo-epicardial catheter ablation – no. (%) 12 (48)