Table 2.
Imaging and clinical outcomes
| STO | CTO | P | |
|---|---|---|---|
| Mean onset-to-CT time (minute) | 121.9± 95.6 | 112.6 ± 71.1 | 0.702 |
| Mean procedure time (minute) | 96.8± 54.5 | 97.4± 51.9 | 0.966 |
| Mean onset-to-final angiography time (minute) | 344.1 ± 100.7 | 325.3 ± 87.9 | 0.447 |
| Successful reperfusion (%) | 20/43 (46.5) | 7/27 (25.9) | 0.085 |
| Hemorrhagic transformation, n (%) | 0.006 | ||
| None | 39/58 (67.2) | 16/34 (47.1) | |
| HI-1 | 6/58 (10.3) | 0/34 (0) | |
| HI-2 | 2/58 (3.4) | 4/34 (11.8) | |
| PH-1 | 6/58 (10.3) | 3/34 (8.8) | |
| PH-2 | 5/58 (8.6) | 11/34 (32.4) | |
| Subarachnoid hemorrhage | 3/41 (6.8) | 3/27 (11.1) | 0.667 |
| Median infarct volume48-72hr, mL (IQR) | 81 (38-192) | 414 (193-540) | <0.001 |
| Median NIHSS at 1 day (IQR) | 15.5 (12-21) | 22.5 (19-33) | <0.001 |
| Median NIHSS at discharge (IQR) | 11 (7-20) | 42 (20-42) | <0.001 |
| Favorable outcome at 3 months | 26/58 (44.8) | 3/34 (8.8) | <0.001 |
| Mortality at 3 months | 14/58 (24.1) | 23/34 (67.6) | <0.001 |
STO, simple internal carotid artery terminus occlusion; CTO, complex internal carotid artery terminus occlusion; CT, computed tomography; HI, hemorrhagic infarction; PH, parenchymal hematoma; IQR, interquartile range; NIHSS, National Institute of Health Stroke Scale.