Table 2.
Baseline characteristics of acute ischemic stroke on cerebral angiography.
| 0.9 mg/kg + MTE (N = 34) | 0.6 mg/kg + MTE (N = 73) | p-value | |
|---|---|---|---|
| Characteristics | n (%)* | n (%)* | |
| ASPECTS, median (interquartile range) | 8 (7–9) | 8 (7–9) | 0.754 |
| Involved vessel (occlusion site) | |||
| Internal carotid artery | 9 (26.5) | 16 (21.9) | 0.604 |
| Tandem | 4 (11.8) | 11 (15.1) | 0.647 |
| M1 segment of MCA | 16 (47.1) | 36 (49.3) | 0.828 |
| M2 segment of MCA | 5 (14.7) | 10 (13.7) | 0.889 |
| Door to needle (minute) | 53.9 ± 25.1 | 45.8 ± 13.5 | 0.094 |
| Door to groin (minute) | 98.5 ± 35.5 | 76.5 ± 20.1 | 0.002 |
| Needle to groin time (minute) | 42.9 ± 32.4 | 30.7 ± 14.9 | 0.042 |
| Mechanical thrombectomy technique | |||
| Solitaire | 9 (26.5) | 57 (78.1) | <0.001 |
| Penumbra | 8 (23.5) | 11 (15.1) | 0.284 |
| Solumbra | 13 (38.2) | 4 (5.5) | <0.001 |
| No device | 4 (11.8) | 1 (1.4) | 0.034 |
| Collateral status, grade | |||
| 0–1 (poor collateral) | 14 (41.2) | 0 (0) | <0.001 |
| >1 | 11 (32.4) | 34 (46.6) | |
| Missing data | 9 (26.5) | 39 (53.4) | |
| Successful reperfusion before thrombectomy | 3 (8.8%) | 1 (1.4%) | 0.520 |
| Number of attempts to achieve recanalization | 1 (1–2) | 2 (1–2) | 0.075 |
| Recanalization achieved ≤ 24 h | 27 (79.4) | 61 (83.6) | 0.601 |
| Groin to recanalization time (minute) | 40.4 ± 28.6 | 43.0 ± 25.8 | 0.403 |
| Onset to recanalization time (minute) | 242.7 ± 65.3 | 249.3 ± 54.6 | 0.587 |
*
Otherwise indicated. Bold denotes statistically significant results. MTE, mechanical thrombectomy; ASPECTS, alberta stroke programme early CT score; mTICI, modified thrombolysis in cerebral infarction scale; MCA, middle cerebral artery.