Transdural blood supply to AVM
| TBS Before Embolization | Total (N = 86) | Mean Age (y) | Mean AVM Volume (mL) | Intracranial Hemorrhage Before Embolization (n) | Surgery Before Embolization (n) |
|---|---|---|---|---|---|
| Yes | 36 | 38 | 17.0 | 8 (22%) | 1 (3%) |
| No | 50 | 32 | 6.4 | 21 (42%) | 5(10%) |
Note.—AVM indicates arteriovenous malformation; TBS, transdural blood supply.