Table 2.
Clinical characteristics of patients grouped by vessel wall injury status
| Characteristic | No of patients (%) | |
| No injury, 204 (86) | Vessel wall injury, 33 (14) | |
| MT device | ||
| Aspiration only | 84 (41.2) | 16 (48.5) |
| Stentriever only | 89 (43.6) | 12 (36.4) |
| Combination | 31 (15.2) | 5 (15.2) |
| Stroke Etiology | ||
| Large artery atherosclerosis | 36 (17.6) | 7 (21.2) |
| Cardioembolic | 88 (43.1) | 12 (36.4) |
| Other determined etiology | 16 (7.8) | 3 (9.1) |
| Cryptogenic | 49 (24) | 9 (27.3) |
| Not available | 15 (7.4) | 2 (6.1) |
| IV rtPA | ||
| Yes | 74 (36.3) | 6 (18.2) |
| No | 130 (63.7) | 27 (81.8) |
| Statistical analysis | N=237, H1=3.93, p=0.04* | |
| Occlusion location | ||
| MCA | 145 (71.1) | 20 (60.6) |
| ICA/ICA terminus | 26 (12.7) | 7 (21.2) |
| Vertebrobasilar | 12 (5.9) | 1 (3) |
| Tandem occlusion | 11 (5.4) | 5 (15.2) |
| Other dual occlusion* | 1 (0.5) | - |
| Other single location† | 4 (2) | - |
| Multiple locations‡ | 2 (1) | - |
| Not available | 3 (1.5) | - |
| No of passes | ||
| 1 | 118 (57.8) | 12 (36.4) |
| 2 | 32 (15.7) | 10 (30.3) |
| 3 | 19 (9.3) | 1 (3) |
| 4 | 11 (5.4) | 2 (6.1) |
| ≥5 | 24 (11.8) | 8 (24.2) |
| Median (IQ1-IQ3) | 1 (1-3) | 2 (1-4) |
| Statistical analysis | N=237, H1=4.83, p=0.028* | |
| Final mTICI score | ||
| 0 | 6 (2.9) | 4 (12.1) |
| 1 | 5 (2.5) | - |
| 2a | 4 (2) | 2 (6.1) |
| 2b | 56 (27.4) | 10 (30.3) |
| 2c | 18 (8.8) | 7 (21.2) |
| 3 | 113 (55.4) | 10 (30.3) |
| Not available | 2 (1) | - |
| Statistical analysis | N=235, H1=6.62, p=0.01* | |
*ICA+PCA; †ACA (one case), PCA (three cases); ‡ICA+MCA+ACA.
MT, mechanical thrombectomy; IV rtPA, intravenous recombinant tissue plasminogen activator; MCA, middle cerebral artery; ICA, internal carotid artery; PCA, posterior cerebral artery; ACA, anterior cerebral artery; mTICI Score, modified Thrombolysis in Cerebral Infarction Score.