Table 2.
Epicardial SVT Ablation Studies
| Author with ref#. | Year | N | Substrate/Epicardial Access (n) | Epicardial Ablation Performed (n) | Catheter | Ablation Target | Follow-up (months) | Intermediate Success |
|---|---|---|---|---|---|---|---|---|
| Katritsis70 | 2001 | 40 | Paroxysmal AF (14) | 2 | 25W to 50°C | Activation mapping | NR | NR |
| Schweikert27 | 2003 | 18 | Pathway (10) IST (4) AF/AFL (4) |
3 1 0 |
Irrigated tip to 50°C | Activation mapping | 26±13 | 66% |
| Valderrabano71 | 2004 | 6 | Pathway (6) | 2 | 50W at 60–70°C | Activation mapping | 4 | 84% |
| Scanavacca72 | 2006 | 10 | AF (7) | 7 | 30–50W to 60°C | Evoked Vagal reflex mapping | 8 | 30% |
| Pak73 | 2007 | 5 | AF (5) | 5 | Open irrigated; 35W to 50° | PV isolation | 8±6 | 100% |
| Phillips74 | 2008 | 2 | LAA AT (2) | 2 | 4mm; 50W to 50° | Activation mapping | NR | NR |
NR= Not Reported; Intermediate Success = Success Rate after the defined follow-up period
AF=Atrial Fibrillation; AFL=Atrial Flutter; AT=Atrial Tachycardia; IST=Inappropriate Sinus Tachycardia; LAA= Left Atrial Appendage; PV=Pulmonary Vein