Procedure, safety, and outcome of segmental (SPVI) and circumferential pulmonary vein isolation (CPVI)
| SPVI (n = 28) | CPVI (n = 83) | |
|---|---|---|
| Values are median (range) or number (%). | ||
| AF, atrial fibrillation; PVS, pulmonary vein stenosis. | ||
| Procedure | ||
| Procedure time (min) | 193 (55–288) | 150 (75–240) |
| Fluoroscopy time (min) | 44 (10–111) | 19 (10–41) |
| Safety | ||
| Tamponade | 1 (4%) | 3 (4%) |
| Transient ischaemic attack | 0 | 1 (1%) |
| Symptoms of PVS | 0 | 0 |
| Outcome | ||
| AF-free | ||
| At follow up | 7 (25%) | 61 (73%) |
| Patients with paroxysmal AF | 6 (32%) | 41 (79%) |
| Patients with persistent AF | 1 (11%) | 20 (65%) |
| Fewer symptoms | 7 (25%) | 3 (4%) |
| Repeat pulmonary vein isolation | 11 (39%) | 11 (13%) |
| Left atrial flutter ablation | 2 (7%) | 3 (4%) |