Characteristics of the 25 patients
| Characteristics | |
|---|---|
| Sex | |
| Male | 17 |
| Female | 8 |
| Symptoms | |
| Tinnitus | 12 |
| Consciousness disturbance | 13 |
| Headache | 6 |
| Cerebral hemorrhage | 4 |
| Visual deficits | 2 |
| Hemiparesis | 2 |
| Dizziness | 1 |
| No symptom | 2 |
| Types of DAVFs | |
| Type I | 5 |
| Type IIa | 5 |
| Type IIa+b | 9 |
| Type IIb | 6 |
| Transvenous embolization | |
| Selective embolization | 12 |
| Sinus packing | 13 |