Table 4.
Single-procedure effectiveness outcomes at 12 months (all atrial arrhythmia-free) or all in-study procedures on or off AADs
| Cohort (number of patients) | Single procedure success | Success | Failure | P-value | With retreatment procedure success | Success | Failure | P-value |
|---|---|---|---|---|---|---|---|---|
| AA-free | AA-free | |||||||
| Full cohort (103) | 52.4% | 54 | 49 | n/a | 59.2% | 61 | 42 | n/a |
| De novo PVI w/AcQMap (47) | 66.0% | 31 | 16 | 0.0055 | 74.5% | 35 | 12 | 0.0046 |
| PVI + w/AcQMap (56) | 37.5% | 21 | 35 | 46.4% | 26 | 30 | ||
| First retreatment (76) | 53.9% | 41 | 35 | 0.66 | 60.5% | 46 | 30 | 0.66 |
| Second retreatment (27) | 48.1% | 13 | 14 | 55.6% | 15 | 12 | ||
| No PV reconnection (30) | 36.7% | 11 | 19 | 0.051 | 46.7% | 14 | 16 | 0.12 |
| Reconnected Veins (73) | 58.9% | 43 | 30 | 64.4% | 47 | 26 | ||
| Absence of non-PV targets (21) | 57.1% | 12 | 9 | 0.81 | 57.1% | 12 | 9 | >0.99 |
| Presence of non-PV targets (82) | 51.2% | 42 | 40 | 59.8% | 49 | 33 |
AADs, antiarrhythmic drugs; AA, atrial arrhythmia; PV, pulmonary vein; PVI, pulmonary vein isolation.
P-value calculated using Fishers exact test, significance level is P < 0.05.