Table 2.
Individual procedural and follow-up data
| Case | PLSVC type | Targeted CS-branch | CS-lead | Implanted device | Procedure duration [min] | Fluoroscopy time [min] | LV sensing [mV] | LV treshold [V] | LVEF before [%] | LVEF after [%] | QRS before [ms] | QRS after [ms] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # 1 | III B | Posterolateral | Quadripolar passive fixation | CRT-P | 200 | 46 | 4.6 | 2 | 22 | 22 | 145 | 130 |
| # 2 | III A | Lateral | Quadripolar passive fixation | CRT-D | 180 | 30 | 16 | 0.75 | 49 | 54 | 150 | 125 |
| # 3 | III B | Posterolateral | Quadripolar active fixation | CRT-D | 167 | 46 | 20 | 0.8 | 30 | 48 | 155 | 98 |
| # 4 | III A | Posterolateral | Bipolar passive fixation | CRT-D | 102 | 11 | Paced | 1.7 | 30 | 38 | 150 | 130 |
| # 5 | III A | Posterolateral | Quadripolar active fixation | CRT-P | 104 | 14 | 20 | 1.1 | 52 | 52 | 150 | 145 |
Number of patients n = 5; only including patients who received a resynchronization system. LV threshold was measured with a pulse duration of 0.5 ms.