Table 2.
Procedural characteristics (n = 20)
| Catheter location | |
| GCV/AIV and LVOT | 17 (85) |
| GCV/AIV and RVOT | 2 (10) |
| Septal perforator vein and LVOT | 1 (5) |
| Polarity of RF application | |
| Vein to endocardium | 11 (55) |
| Endocardium to vein | 7 (35) |
| Alternating | 2 (10) |
| Active catheter | |
| 3.5-mm irrigated | 20 (100) |
| Return catheter | |
| 3.5-mm irrigated | 12 (60) |
| 8-mm nonirrigated | 4 (20) |
| 4-mm nonirrigated | 3 (15) |
| 2F EPstar catheter | 1 (5) |
| Mapping system | |
| EnSite | 13 (65) |
| CARTO | 7 (35) |
| Circuit impedance (Ω) | 217 ± 77 |
| Impedance drop (Ω) | 21 ± 9 (range 8–35) |
| Power (W) | 30 ± 8 |
| No. of bipolar RF applications | 5 ± 3 |
| Bipolar RF total time (s) | 238 ± 217 |
| Use of half-normal saline | 9 (45) |
Values are given as n (%) or mean ± SD.
AIV = anterior intraventricular vein; GCV = great cardiac vein; LVOT = left ventricular outflow tract; RF = radiofrequency; RVOT = right ventricular outflow tract.