Table 2.
Procedural data.
| Patients (n = 31) | |
| VOM Ethanol Infusion | |
| VOM-EI time (min) | 21.29 ± 10.07 |
| VOM-EI fluoroscopy time (min) | 10.13 ± 3.91 |
| Ethanol infused (cc) | 10.71 ± 2.00 (8–16) |
|
Complications Overall, n (%) VOM dissection VOM perforation Pericardial effusion Tamponade |
5 (16.1) 1 (3.2) 3 (9.7) 2 (6.5) 0 |
| Incomplete ethanol delivery | 4 (12.9) |
| Acute pericarditis | 2 (6.5) |
| Ethanol infusion in wrong veins | 0 |
| Stroke | 0 |
| Vascular complications | 0 |
| Left Atrium Voltage Analysis | |
| Presence of left atrium low-voltage areas, n (%) | 13 (41.9) |
| Basal LA-LVA (cm2) | 2.30 ± 3.45 (0–14) |
| Newly formed LVA post-VOM-EI (cm2) | 8.22 ± 4.40 (0–16.50) |
| Ablation | |
| PVI completion/validation, n (%) | 31 (100) |
| Roofline block, n (%) | 28 (90.3) |
| Mitral line block, n (%) Endocardial only RF anchoring—GCV RF free wall—GCV |
30 (96.8) 17 (54.8) 8 (25.8) 5 (16.1) |
| Cavotricuspid isthmus block, n (%) | 31 (100) |
| Anatomical lesion set completed, n (%) | 27 (87.1) |
| Time to mitral line block (min) | 10.77 ± 8.72 (2–36) |