Occlusion site and vessel diameter of the anterior cerebral artery
| Occlusion Site | Total (N = 30) | Vessel Diameter (mm), mean (SD) | No. of Device Passesa, mean (SD) |
|---|---|---|---|
| Proximal pericallosal artery = A2 segment (between AcomA and genu of corpus callosum) | 7 (23.3%) | 1.9 (0.4) | 1.28 (0.69) |
| Middle pericallosal artery = A3 segment (curving around genu of corpus callosum) | |||
| Inferior segment | 6 (20%) | 1.8 (0.2) | 2 (1.26) |
| Anterior segment | 2 (6.6%) | 2.1 (0.3) | 1.5 (0.5) |
| Superior segment | 8 (26.6%) | 1.7 (0.4) | 1.57 (0.72) |
| Distal pericallosal artery | |||
| A4 and A5 segments and distal branches other than CMA | 5 (16.6%) | 1.7 (0.4) | 1 (0) |
| CMA | 2 (6.6%) | 1.5 (0.1) | 1 (0) |
Note:—AcomA indicates anterior communicating artery; CMA, callosomarginal artery.
↵a In patients in whom placement of a stent retriever was possible.