| Cause of removal of the TIVAP | Group A (HS) | Group B (NS) | ||
| % | No. | % | No. | |
| Surgical site infection | 2.05 | 4 | 1.55 | 3 |
| Thrombosis | 1.03 | 2 | 1.57 | 3 |
| Catheter fracture | 0.51 | 1 | 0 | 0 |
| Catheter migration | 0.51 | 1 | 0 | 0 |
| Right ventricular placement | 0 | 0 | 1.05 | 2 |