Distribution of vessel wall injury (VWI) degree of damage based on mechanical thrombectomy device used.
| VWI grade | No of patients (%) | ||
| Aspiration | Stentriever | Combination | |
| Grade I | 13 (39.4) | 8 (24.2) | 3 (9.1) |
| Grade II | 1 (3) | 2 (6.1) | – |
| Grade III | 2 (6.1) | 2 (6.1) | 2 (6.1) |