From: A study on endovascular treatment alone and bridging treatment for acute ischemic stroke
Score | At baseline | After treatment | ||
---|---|---|---|---|
No. of patients (%) | ||||
EVT | IVT+EVT | EVT | IVT+EVT | |
0: No reperfusion | 47 (60.3) | 29 (46.7) | 2 (2.6) | 0 |
1: Antegrade flow past the initial occlusion but limited distal branch filling with little or slow distal reperfusion | 22 (28.2) | 19 (30.6) | 5 (6.4) | 3 (4.8) |
2a: Antegrade reperfusion of less than 50% of the previously ischemic territory | 6 (7.7) | 10 (16.1) | 6 (7.7) | 11 (17.7) |
2b: Antegrade reperfusion of more than 50% of the previously ischemic territory | 3 (3.8) | 4 (6.5) | 18 (23.0) | 18 (29.1) |
3: Complete antegrade reperfusion of the previously ischemic territory, in absence of visualized occlusion in all distal branches | 0 | 0 | 47 (60.3) | 30 (48.4) |