Distal occlusion site characteristics
| 3MAX | 3 mm Trevo | P value | |
| n=52 | n=92 | ||
|---|---|---|---|
| Distal occlusion site | 0.47 | ||
| MCA | 42 (80%) | 66 (71%) | |
| ACA | 7 (13%) | 19 (20%) | |
| PCA | 3 (6%) | 7 (7%) | |
| MCA segments | 0.26 | ||
| Mid M2 | 8 (19%) | 21 (32%) | |
| Distal M2 | 20 (47%) | 30 (45%) | |
| M3 | 14 (33%) | 15 (22%) | |
| MCA divisions | 0.42 | ||
| Inferior division | 30 (71%) | 39 (59%) | |
| Superior division | 11 (26%) | 25 (38%) | |
| Middle division | 1 (2%) | 2 (3%) | |
| ACA segments | 0.58 | ||
| ACA A1 | 0 (0%) | 1 (5%) | |
| ACA A2 | 4 (57%) | 7 (37%) | |
| ACA A3 | 3 (43%) | 11 (58%) | |
| ACA A3 divisions | |||
| Callosomarginal | 2 (66%) | 2 (18%) | 0.09 |
| Pericallosal | 1 (33%) | 9 (82%) | |
| PCA segments | 0.09 | ||
| PCA P1 | 0 (%) | 4 (57%) | |
| PCA P2+ | 3 (100%) | 3 (28%) | |
| Distal occlusion size | |||
| Vessel diameter (pre-clot), mm | 1.4 (1.3–1.6) | 1.6 (1.4–1.8) | 0.02 |
| Vessel diameter (post-clot), mm | 1.2 (1.0–1.4) | – |
ACA, anterior cerebral artery; MCA, middle cerebral artery; P2+, PCA P2 segment or distal; PCA, posterior cerebral artery.