Table 2. Procedural characteristics.
| Procedure characteristics | Korea cohort (n = 299) | |
|---|---|---|
| Total lab occupancy time (minute) | 114±24 | |
| Total procedure time (minute) | 76±21 | |
| Left atrial dwell time (minute) | 56±23 | |
| Total fluoroscopy time (minute) | 27±23 | |
| Total cryo fluoroscopy time (minute) | 18±19 | |
| Sedation method | ||
| General | 195 (65.2) | |
| Conscious | 104 (34.8) | |
| Pre-procedural mapping CT or MRI | 191 (63.9) | |
| ICE | 157 (52.5) | |
| PV venography | 252 (84.3) | |
| CTI ablation | 66 (22.1) | |
| Other non-PV ablations | 8 (2.7) | |
| Acute PVI success | 293 (98.0) | |
| Esophageal monitored at least one vein | 195 (65.2) | |
| Phrenic nerve monitoring | 299 (100.0) | |
| Cryoballoon applications | ||
| Total applications performed | 1,799 | |
| Total veins treated | 1,209 | |
| Number of applications per vein | 1.5±1.0 | |
| Duration of cryoapplication (second) | 167±54 | |
| Cryoballoon nadir temperature (°C) | −49.9±6.8 | |
Values are presented as number (%) or mean±standard deviation.
CT = computed tomography; CTI = cavotricuspid isthmus; ICE = intracardiac echocardiography; MRI = magnetic resonance imaging; PV = pulmonary vein; PVI = pulmonary vein isolation.