Table 4.
Procedural characteristics
| Procedural characteristics | Never | Sometimes | Frequently | Always |
|---|---|---|---|---|
| Pre-procedural imaging | ||||
| TEE (%) | 25 | 37.5 | 12.5 | 25 |
| CT (%) | 25 | 29.2 | 12.5 | 33.3 |
| MRI (%) | 70.8 | 25 | 4.2 | 0 |
| Intra-procedural imaging | ||||
| TEE (%) | 58.3 | 33.3 | 0 | 8.3 |
| ICE (%) | 69.6 | 8.7 | 0 | 21.7 |
| Fluoroscopy (%) | 0 | 4.3 | 4.3 | 91.3 |
| Follow-up imaging | ||||
| TEE (%) | 73.9 | 21.7 | 4.3 | 0 |
| CT (%) | 86.9 | 13.1 | 0 | 0 |
| MRI (%) | 73.9 | 26.1 | 0 | 0 |
| Electroanatomical mapping | ||||
| Paroxysmal AF (%) | 41.6 | 16.6 | 8.3 | 33.3 |
| Persistent AF (%) | 29.2 | 8.3 | 20.8 | 41.7 |
| Long standing persistent AF (%) | 37.5 | 4.2 | 8.3 | 41.7 |
| Additional lesion sets | ||||
| Roof line (%) | 50 | 25 | 12.5 | 12.5 |
| Lateral mitral isthmus line (%) | 62.6 | 33.2 | 4.2 | 0 |
| Left atrial posterior wall (%) | 25 | 45.8 | 16.7 | 12.5 |
| Anterior line (%) | 75 | 25 | 0 | 0 |
| SVC isolation (%) | 95.8 | 4.2 | 0 | 0 |
| CFAE (%) | 95.8 | 4.2 | 0 | 0 |
| LAA isolation (%) | 93.8 | 6.2 | 0 | 0 |
| Non-PV trigger (%) | 79.2 | 20.8 | 0 | 0 |
TEE, transoesophageal echocardiogram; CT, computed tomography; MRI, magnetic resonance imaging; AF, atrial fibrillation; SVC, superior vena cava; CFAE, complex fractionated atrial electrograms; LAA, left atrial appendage; Non-PV, non-pulmonary vein.