Clinical outcomes for patients undergoing parent vessel occlusion of the vertebral artery
| Age (y)/Sex | Group | Aneurysm Location and Type | Mode of Presentation | Method of Embolization | Months of Follow-up | Clinical Presentation (Modified Rankin Score) | Clinical Outcome (Modified Rankin Score) | |
|---|---|---|---|---|---|---|---|---|
| 1 | 48/F | I | R VA dis | SAH | Coil | 2 | 4 | 2 |
| 2 | 56/M | I | L VA fus | SAH | Coil | 14 | 5 | 4 |
| 3 | 46/M | I | R VA fus | SAH | Coil | 10 | 1 | 0 |
| 4 | 52/M | I | L VA dis | SAH | Balloon | 23 | 5 | 1 |
| 5 | 67/F | I | R VA fus | SAH | Coil | 72 | 5 | 3 |
| 6 | 76/M | I | L VA fus | SAH | Coil | 76 | 5 | 3 |
| Mean | 58 | 25.3 | ||||||
| 7 | 52/M | II | L VB fus | SAH | Balloon | 14 | 3 | 4 |
| 8 | 45/M | II | B VA dis L VA pa | SAH | Coil | 12 | 5 | 4 |
| 9 | 78/M | II | L VB fus | Mass effect | Coil | 30 | 3 | 6 |
| 10 | 61/M | II | BA fus L VA dis | SAH | Balloon + coil | 1* | 5 | 6 |
| 11 | 71/M | II | L VB fus | Mass effect | Coil | 19 | 1 | 1 |
| 12 | 66/M | II | L VB fus | Mass effect | Coil | 9 | 4 | 6 |
| 13 | 78/M | II | R VB fus | Mass effect | Balloon | 4** | 3 | 6 |
| Mean | 64 | 12.7 | ||||||
| Overall mean | 61 | 22.0 |
Note.—I indicates parent vessel occlusion for angiographic cure; II, parent vessel occlusion for angiographic palliation; R, right; L, left; VA, vertebral artery; dis, acute dissecting aneurysm; fus, chronic fusiform aneurysm; VB, vertebrobasilar; pa, pseudoaneurysm; SAH, subarachnoid hemorrhage.
* Deceased at 1 month after procedure.
** Deceased at 4 months after procedure; died in sleep.