Immediate angiographic results. O’Kelly–Marotta (OKM) grading scale
| Occlusion rate | Results (n=43) |
| Complete filling (OKM A) | 26 cases (60.4%) |
| A1 (arterial phase) | 8 (18.6%) |
| A2 (capillary phase) | 6 (13.9%) |
| A2–A3 (capillary & venous) | 4 (9.3%) |
| A3 (venous) | 8 (18.6%) |
| Incomplete filling (OKM B) | 4 (9.3 %) |
| B1 (arterial phase) | 0 (0%) |
| B2–B3 (capillary & venous) | 3 (6.97%) |
| B3 (venous) | 1 (2.3%) |
| Near-complete occlusion (OKM C) | 5 (11,6%) |
| C1 | 0 (0%) |
| C2 (capillary) | 1 (2.3%) |
| C3 (venous) | 4 (9.3%) |
| Complete occlusion (OKM D) | 8 (18,6%) |