Neurological complications
| Complication | Periprocedural (<48 h) | Delayed (>48 h) | Total |
| Any stroke | 19 | 8 | 27 |
| Minor | 8 | 6 | 14 |
| Major | 11 | 2 | 13 |
| Transient ischemic attack | 2 | 7 | 9 |
| Subarachnoid hemorrhage | 5 | 0 | 5 |
| Parenchymal hematoma | 0 | 4 | 4 |
| Death | 5 | 4 | 9 |
| Cranial neuropathy | 6 | 0 | 6 |
| Non-specific visual changes | 4 | 1 | 5 |
| Hypertensive encephalopathy | 1 | 0 | 1 |
| Progressive mass effect | 0 | 2 | 2 |
| Inflammation | 0 | 2 | 2 |
| Hydrocephalus | 0 | 1 | 1 |