Technical data on staged Onyx embolization
| Patient No. | No. Embolizations | Time Interval Between First, Last Treatment | Total Amount of Onyx (in mL) | Coils/n-BCA | Residual/Cure | Treatment for Residual | Cumulative X-Ray Skin Entrance Dose (mGy) |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 16 d | 6.7 | GDC and Axium coils | PE | N/A | 2665 |
| 2 | 1 | N/A | 1.3 | GDC-18 3D and Nexus (ev3) coils | Cure | No treatment, asymptomatic | 315 |
| 3 | 3 | 6 mo | 1.3 | 360-GDC soft coils | PE | Continued embolizations | 1225 |
| 4 | 1 | N/A | 0.8 | None | NCE | Surgery | 624 |
| 5 | 6 | 9 mo | 12.4 | GDC-18 | NCE | Continued embolizations | 3708 |
| 6 | 5 | 7 mo | 2.8 | GDC coils | NCE | N/A | 3992 |
| 7 | 3 | 4 mo | 2.3 | Axium coils | NCE | If feasible, will re-attempt in 2–3 y | 1665 |
| 8 | 1 | N/A | 1.6 | None | PE | Surgery | 657 |
| 9 | 1 | N/A | 1 | None | PE | Surgery | 884 |
| 10 | 5 | 4 mo | 19.9 | GDC and Axium coils | NCE | Surgery | 2508 |
| 11 | 1 | N/A | 2.2 | None | NCE | Surgery | 1632 |
| 12 | 1 | N/A | 1.5 | None | NCE | Surgery | 501 |
| 13 | 1 | N/A | 0.4 | None | Cure | None | 537 |
| 14 | 1 | N/A | 2.1 | None | NCE | Surgery | 1956 |
| 15 | 2 | 2 mo | 9.9 | None | NCE | Continued embolization | 3907 |
Note:—PE indicates partial embolization; NCE, near-complete embolization; n-BCA, n-butyl cyanoacrylate; GDC, Guglielmi detachable coil.