Table 2.
Procedural characteristics
| Conventional arm N = 141 |
Pressure-wire guided arm N = 140 |
P value | |
|---|---|---|---|
| Procedural success, n (%) | 139 (99) | 139 (99) | .99 |
| Procedure time (min) | 104 ± 39 | 142 ± 39 | <.001 |
| Time from CS intubation to final LV lead position (min) | 30 ± 23 | 60 ± 39 | <.001 |
| Fluoroscopy time (min) | 20 ± 16 | 28 ± 15 | .002 |
| Contrast dose (mL) | 39 ± 39 | 45 ± 26 | .31 |
| RV lead position, n (%) | .01 | ||
| Apical | 105 (76) | 86 (62) | |
| Nonapical | 34 (24) | 53 (38) | |
| Final LV lead position, n (%) | .55 | ||
| Anterior | 0 (0) | 2 (1) | |
| Anterolateral | 18 (13) | 23 (17) | |
| Lateral | 68 (50) | 63 (46) | |
| Posterolateral | 49 (34) | 48 (34) | |
| Posterior | 4 (3) | 3 (2) | |
| LV lead type | .66 | ||
| Bipolar | 62 (52) | 65 (47) | |
| Quadripolar | 77 (48) | 74 (53) |
CS = coronary sinus; LV = left ventricle.