Table 3:
WFNS Grade | Location | Size (mm) | Neck | Coils Used | Postembolism Result | Degree of Recanalization | |
---|---|---|---|---|---|---|---|
1 | 1 | AcomA | 3.3 × 3.7 | S | Matrix only | R1 | R1 TO R2 |
2 | 2 | AcomA | 2.5 × 3.5 | S | Matrix only | R1 | R1 TO R2 |
3 | 1 | ICA | 7.6 × 6.7 | S | Mixed | R1 | R1 TO R2 |
4 | Unruptured | ICA | 3.0 × 2.7 | S | Mixed | R1 | R1 TO R3 |
5 | 1 | MCA | 7.4 × 6.0 | W | Matrix only | R1 | R1 TO R2 |
6 | 3 | MCA | 8.0 × 3.5 | S | Mixed | R1 | R1 TO R2 |
7 | 1 | PcomA | 5.0 × 3.4 | W | Matrix only | R1 | R1 TO R2 |
8 | 1 | PcomA | 17.5 × 7.8 | W | Matrix only | R2 | R2 TO R3 |
9 | 1 | PcomA | 6.1 × 5.0 | W | Matrix only | R2 | R2 TO R3 |
10 | 5 | PcomA | 8.0 × 3.9 | S | Mixed | R2 | R2 TO R3 |
11 | 2 | SC | 8.5 × 6.0 | W | Mixed | R1 | R1 TO R3 |
12 | 2 | AcomA | 11.0 × 7.0 | W | Mixed | R3 | R3 TO R3+ (M) |
13 | 1 | PcomA | 7.5 × 8.6 | W | Matrix only | R3 | R3 TO R3+ (M) |
14 | 1 | PcomA | 8.0 × 6.0 | W | Matrix only | R2 | R2 TO R3 (M) |
15 | 1 | PcomA | 5.0 × 3.5 | S | Matrix only | R1 | R1 TO R3 (M) |
16 | 1 | PICA | 4.0 × 3.0 | W | Matrix only | R3 | R3 TO R3+ (M) |
17 | 5 | PICA | 6.0 × 4.0 | W | Mixed | R3 | R3 TO R3+ (M) |
Note:—R3 M indicates major recanalization; R3+, worse than previous R3 (ie, more contrast filling aneurysm sac); SC, superior cerebellar; S, small neck; W, wide neck; AcomA, anterior communicating artery; ICA, internal carotid artery; MCA, middle cerebral artery; PcomA, posterior communicating artery; PICA, posterior inferior cerebellar artery.