Table 4 Angiographic features
From: Dural arteriovenous fistulas and headache features: an observational study
Angiographic features | All N (%) | CCFs N (%) | Other DAVFs N (%) | p value |
|---|---|---|---|---|
N | 42 | 14 (33.3) | 28 (66.7) | |
DAVF side | ||||
Left | 20 (47.6) | 5 (35.7) | 15 (53.6) | ns |
Right | 18 (42.9) | 7 (50.0) | 11 (39.3) | ns |
Midline | 4 (9.5) | 2 (14.3) | 2 (7.1) | ns |
Venous drainage | ||||
Dural sinus | 23 (54.8) | 10 (71.4) | 13 (46.4) | ns |
Cortical veins | 14 (33.3) | 2 (14.3) | 12 (42.9) | ns |
Both | 4 (9.5) | 2 (14.3) | 2 (7.1) | ns |
Perimedullary veins | 1 (2.4) | 0 | 1 (3.6) | ns |
Dural sinus specification | ||||
Anterior-inferior | 13 (54.2) | 11 (100.0) | 2 (15.4) | < 0.001 |
Posterior-superior | 11 (45.8) | 0 | 11 (84.6) | ns |
Missing | 18 | 3 | 15 | |
Drainage | ||||
Anterograde | 13 (36.1) | 2 (15.4) | 11 (47.8) | ns |
Retrograde | 17 (47.2) | 8 (61.5) | 9 (39.1) | ns |
Both | 6 (16.7) | 3 (23.1) | 3 (13.1) | ns |
Missing | 6 | 1 | 5 | |
High flow | 2 (12.5) | 1 (8.3) | 1 (25.0) | ns |
Concomitant venous ectasia | 21 (55.3) | 7 (53.8) | 14 (56.0) | ns |
Concomitant sinus thrombosis | 3 (7.1) | 1 (7.1) | 2 (7.1) | ns |