Permanent neurological treatment-related complications and death among the 94 patients
| Patient No | BAVM Locations | Causative Agent | Complications | Complication Type | Outcome (mRS) |
|---|---|---|---|---|---|
| 1 | Left subthalamus | Onyx | Ophthalmoplegia | Ischemic | 1 |
| 2 | Quadrigeminal plate | Onyx/n-BCA | Transient diplopia | Hemorrhagic | 1 |
| 3 | Right internal capsule | n-BCA | Left hemiparesis | Hemorrhagic | 3 |
| 4 | Left frontal lobe | Onyx | Transient right hemiparesis | Hemorrhagic | 3 |
| 5 | Right temporal lobe | n-BCA | Hemianopsia | Ischemic | 1 |
| 6 | Right temporal lobe | n-BCA | Left hemiparesis | Hemorrhagic | 3 |
| 7 | Right temporal lobe | n-BCA | Transient left hemiparesis | Hemorrhagic | 3 |
| 8 | Right temporal lobe | n-BCA | Left hemiparesis | Ischemic | 2 |
| 9 | Right temporal lobe | Surgery | Death | Hemorrhagic | 6 |
| 10 | Cerebellar vermis | n-BCA | Death | Hemorrhagic | 6 |
| 11 | Left thalamus | Catheterization | Death | Hemorrhagic | 6 |
| Overall complications % (n) | Neurologic complications | 12% (11) | |||
| Deaths | 3% (3) | ||||
| Onyx-induced complications % (n) | Neurologic complications | 3% (3) | |||
| Deaths | 0 (0) |
Note:—BAVM indicates brain arteriovenous malformation; mRS, modified Rankin scale; n-BCA, n-butyl cyanoacrylate