Total patients Paroxysmal, Persistent, Long-Standing Persistent 129 (23 pAF, 77 persAF, 16 LSPAF)
Average age (years) 64.3
Male 67.4%
Left atrial diameter, avg (mm) 44.3
Index AF ablations Preplanned VOM Ad hoc VOM Standard lesion set only SVC ablation/isolation Additional arrhythmias (AVNRT, atypical flutter) Non-PV triggers disclosed and ablated Extension of PWI to CS 90 74% (67: 1 pAF, 52 persAF, 14 LSPAF) 26% (23: 14 pAF, 9 persAF) 88% (79) 5.6% (5) 3.3% (3) 1.1% (1) 2.2% (2)
Redo Procedures 1 prior; 2 prior; 3 prior Preplanned VOM Ad hoc VOM Permanent PVI upon initial mapping Standard lesion set only SVC ablation/isolation Additional arrhythmias (AVNRT, atypical flutter) Non-PV triggers disclosed and ablated Extension of PWI to CS 39 32; 5; 2 95% (37: 7 pAF, 28 persAF, 2 LSPAF) 5.1% (2: 1 pAF, 1 persAF) 56% (22) 23% (9) 69% (27) 18% (7) 5.1% (2) 7.6% (3)
VOM ethanol infusion success 2019-2020 success 2022 success 90% 76% 100%
Reasons for VOM Ethanol failure CS could not be cannulated Left persistent SVC Wire perforation Incorrect vein targeted VOM could not be cannulated VOM not identified 9.3% (12) 1 1 1 2 3 4
VOM Dissection 8.5%
VOM Perforation 1.6%
Fluoroscopy, avg (min) 2019-2020 2022 18.8 34.6 10.5