Grade | Definition | n | % |
---|---|---|---|
I | Luminal irregularity or dissection with <25 % luminal narrowing | 34 | 55.7 |
II | Dissection or intramural hematoma with ≥25 % luminal narrowing | 7 | 11.5 |
III | Pseudoaneurysm | 6 | 9.8 |
IV | Occlusion | 14 | 23.0 |
V | Transection with free extravasation | 0 | 0.0 |
Total | 61 | 100.0 |