Patient demographics | |
Total No. of patients | 22 |
Patient age (yr) | 55 ± 15 |
Male/female ratio | 1:1 |
Clinical presentation | |
Symptomatic patients | 22 (100%) |
Hemorrhage | 1 (4.6%) |
Preinterventional mRS | 1 ± 1 |
dAVF location | |
Transverse and/or sigmoid sinus | 19 (86.4%) |
Superior sagittal sinus | 2 (9.1%) |
Marginal sinus | 1 (4.6%) |
dAVF classification | |
Cognard I | 7 (31.8%) |
Cognard IIa | 6 (27.3%) |
Cognard IIa+b | 9 (40.9%) |
Borden I | 13 (59.1%) |
Borden II | 9 (40.9%) |
Feeder territories | |
Middle meningeal artery | 21 (95.5%) |
Occipital artery | 21 (95.5%) |
Internal carotid artery (dural branches) | 19 (86.4%) |
Vertebral artery (dural branches) | 14 (63.6%) |
Superficial temporal artery | 11 (50.0%) |
Other angiographic features | |
Bilateral feeders | 13 (59.1%) |
No. of feeder territories | 5 ± 2 |
≥20 Feeding arteriesb | 19 (86.4%) |
<20 Feeding arteriesb | 3 (13.6%) |