Major procedural complications
| Present | Absent | Percentage | |
|---|---|---|---|
| Symptomatic cerebral hemorrhage | 7 | 137 | 4.9% |
| Air emboli | 2 | 142 | 1.4% |
| Emboli to new vascular territory | 1 | 143 | 0.7% |
| Serious groin complication | 4 | 140 | 2.8% |
| Vessel dissection | 5 | 139 | 3.5% |
| Total number of patients | 18 | 126 | 12.5% |