The modified Treatment in Cerebral Ischemia and the Arterial Occlusive Lesion scale scores
| mTICI | AOL | |
|---|---|---|
| 0 | No perfusion | Complete occlusion of the target artery |
| 1 | Antegrade reperfusion past the initial occlusion but limited distal branch filling with little or slow distal reperfusion | Incomplete or partial local recanalization at the target artery with no distal flow |
| 2 | Incomplete or partial local recanalization at the target artery with any distal flow | |
| 2a | Antegrade reperfusion of less than half of the previously occluded target artery ischemic territory | |
| 2b | Antegrade reperfusion of more than half of the previously occluded target artery ischemic territory | |
| 3 | Complete antegrade reperfusion of the previously occluded target artery territory, with absence of visualized occlusion in all distal branches | Complete recanalization and restoration of the target artery with any distal flow |