Procedural details, adverse events, and clinical outcome within the 30-day follow-up period
| Characteristic | Value (n=42) |
| Technical success | 42 (100%) |
| Number of DEDs | |
| 1 | 39 (92.9%) |
| 2 | 2 (4.8%) |
| 3 | 1 (2.4%) |
| Adjunctive coiling | 11 (26.2 %) |
| Use of balloon | 4 (9.5%) |
| Covered side branches | 38 (90.5%) |
| Patent side branches at end of procedure | 38/38 (100%) |
| Visibility | |
| 0 (Invisible) | 0 |
| 1 (Poor) | 0 |
| 2 (Fair) | 1 (2.4%) |
| 3 (Good) | 8 (19.0%) |
| 4 (Excellent) | 33 (78.6%) |
| Immediate occlusion classification | |
| Complete (OKM D) | 2 (4.8%) |
| Entry remnant (<5%, OKM C) | 4 (9.5%) |
| Subtotal filling (5%–95%, OKM B) | 14 (33.3%) |
| Total filling (>95%, OKM A) | 22 (52.4%) |
| Stasis phase | |
| No stasis (1) | 6 (14.3%) |
| Moderate stasis (2) | 10 (23.8%) |
| Significant stasis (3) | 22 (52.4%) |
| Complications | 4 (9.5%) |
| Symptomatic complications | 2 (4.8%) |
| Morbidity | 1 (2.4%) |
| Mortality | 0 |
DED, Derivo Embolization Device; OKM, O’Kelly–Marotta grading scale.