Table 6:
Factors associated with rupture after coil embolization in untreated recanalized aneurysms in the ruptured groupa
| Untreated Recanalized Aneurysms (n = 21) |
|||
|---|---|---|---|
| Unruptured (n = 17) | Ruptured (n = 4) | P Value | |
| Age (yr) | 62.0 (44.5–78.0) | 55.5 (47.5–75.5) | .929 |
| Sex | |||
| Male | 6 (35.3%) | 1 (25.0%) | .694 |
| Female | 11 (64.7%) | 3 (75.0%) | |
| Location | |||
| ICA | 3 (17.7%) | 0 (0.0%) | .628 |
| ICA-PcomA | 9 (52.9%) | 2 (50.0%) | |
| AcomA | 4 (23.5%) | 2 (50.0%) | |
| Posterior | 1 (5.9%) | 0 (0.0%) | |
| Dome | 6.2 (5.2–8.7) | 9.4 (5.3–14.4) | .347 |
| Neck | 3.2 (2.5–4.6) | 5.2 (3.6–9.1) | .066 |
| VER | 24.9 (21.3–29.5) | 25.5 (16.7–28.5) | .741 |
| Use of stent | |||
| No | 17 (100.0%) | 4 (100.0%) | – |
| Yes | 0 (0.0%) | 0 (0.0%) | |
| Type of recanalization on final DSA | |||
| II+IIIa | 11 (64.7%) | 0 (0.0%) | .020b |
| IIIb | 6 (35.3%) | 4 (100.0%) | |
| Aneurysm growth | |||
| No | 16 (94.1%) | 4 (100.0%) | .619 |
| Yes | 1 (5.9%) | 0 (0.0%) | |
Note:— – indicates not available.
a
Data are recanalized aneurysms in the ruptured group (n = 37): Twenty-one of 37 recanalized aneurysms were untreated. Among 21 untreated recanalized aneurysms, 17 aneurysms unruptured and 4 aneurysms ruptured.
b
Statistical significance.