Table 2.
Angiographic outcomes and embolization complications
| All patients, n (%): N=30 | ||
|---|---|---|
| Angiographic outcomes | n-BCA group | Onyx group |
| n=12 | n=18 | |
| Initial volume, mL | ||
| Median (Q1, Q3) | 3.5 (1.1, 9.9) | 4.3 (1.9, 11) |
| Total % devascularization | ||
| Median (Q1, Q3) | 52 (31, 67) | 51 (27, 86) |
| <25%, n (%) | 2 (17) | 3 (17) |
| 25-49% | 3 (25) | 5 (28) |
| 50-75% | 5 (42) | 4 (22) |
| 75-99% | 1 (8) | 5 (28) |
| >99% | 1 (8) | 1 (5) |
| Need for >1 embolization | ||
| Yes, n (%) | 6 (50) | 4 (22) |
| Total number of sessions | ||
| n | 22 | 25 |
| Number of sessions per person | ||
| Mean±SD | 1.8±1.0 | 1.4±0.8 |
| Total number of pedicles | ||
| n | 42 | 45 |
| Number of pedicles per person | ||
| Mean±SD | 3.5±1.9 | 2.6±2.0 |
| Number of pedicles per session | ||
| Mean±SD | 2.1±0.9 | 1.9±1.1 |
| % devascularization per pedicle | ||
| Mean±SD | 16±14 | 34±29 |
| % devascularization by objective | Both groups:Mean±S``D | n=30 |
| Curative (n=6) | 61±34 | |
| Non-Curative: Palliative (n=1) | 79±N/A | |
| Non-Curative: Targeted (n=5) | 48±19 | |
| Non-Curative: Pre-surgery (n=12) | 47±29 | |
| Non-Curative: Pre-SRS (n=6) | 54±36 | |
| Complications, n (%) | n-BCA group | Onyx group |
| n=12 | n=18 | |
| Minor | 1 (8.3) | 0 (0) |
| Major | 1 (8.3) | 0 (0) |
| Mortality | 0 (0) | 0 (0) |
| Total | 2 (17) | 0 (0) |
Note: Summary of the embolization objectives, angiographic changes, and complication rates associated with embolization treatments.
n-BCA, n-butyl cyanoacrylate; SRS, stereotactic radiosurgery