Complications associated with cardiac resynchronisation therapy de novo implants versus upgrade procedures
| Complication | de novo implants n = 136 (%) | Upgrades n = 47 (%) | P value |
|---|---|---|---|
| Failed placement of LV lead | 19 (13.9) | 4 (8.5) | 0.32 |
| Pneumothoraxa | 0 | 1 (2.1) | 0.26 |
| Haematomab | 1 (0.7) | 3 (6.4) | 0.05 |
| Perforationc | 1 (0.7) | 0 | 1 |
| Coronary sinus dissection | 1 (0.7) | 0 | 1 |
| Deathd | 0 | 1 (2.1) | 0.26 |
| Phrenic nerve stimulation unresolved by reprogramming | 3 (2.2) | 1 (2.1)) | 1 |
| Threshold increase unresolved by increased output | 4 (3.0) | 1 (2.1) | 1 |
| Lead Displacement/Failure to Pace | 6 (4.4) | 0 | 0.34 |
| Repositioned Leads e | 6 (4.4) | 1 (2.1) | 0.68 |