Demographic and angiographic characteristics of coiled aneurysms showing minor recanalization in follow-up images at 6 months (N = 65)
| Variables | Stationary (n = 41) | Major Recanalization (n = 24) | P Valuea |
|---|---|---|---|
| Clinical | |||
| Female | 30 (73.2%) | 18 (75.0%) | .87 |
| Age (yr) | 58.1 ± 12.0 | 57.6 ± 9.2 | .86 |
| HTN | 27 (65.9%) | 12 (50.0%) | .21 |
| DM | 3 (7.3%) | 0 (0%) | .29 |
| Hyperlipidemia | 4 (9.8%) | 2 (8.3%) | 1.00 |
| Smoking | 4 (9.8%) | 5 (20.8%) | .21 |
| Aneurysmal | |||
| Location | |||
| Anterior | 33 (80.5%) | 23 (95.8%) | |
| Posterior | 8 (19.5%) | 1 (4.2%) | .08 |
| Presentation | |||
| UIA | 33 (80.5%) | 16 (66.7%) | |
| SAH | 8 (19.5%) | 8 (33.3%) | .21 |
| Status | |||
| Initial | 28 (68.3%) | 20 (83.3%) | |
| Recanalized (2nd coiling) | 13 (31.7%) | 4 (16.7%) | .18 |
| Bifurcation aneurysm | 31 (75.6%) | 19 (79.2%) | .74 |
| Maximum size (mm) | 6.3 ± 2.7 | 6.2 ± 4.1 | .93 |
| D/N ratio (>1) | 22 (53.7%) | 16 (66.7%) | .30 |
| Neck size (mm) | 4.7 ± 2.1 | 4.0 ± 1.6 | .22 |
| Procedural | |||
| Stent | 16 (39.0%) | 3 (12.5%) | .02 |
| Balloon | 4 (9.8%) | 4 (16.7%) | .41 |
| Bioactive coil (>50%) | 13 (31.7%) | 7 (29.2%) | .83 |
| Initial occlusion | .47 | ||
| Successful occlusion | 33 (80.5%) | 21 (87.5%) | |
| Residual sac | 8 (19.5%) | 3 (12.5%) | |
| Antiplatelet maintenance | 25 (61.0%) | 10 (41.7%) | .13 |
Note:—D/N indicates depth-to-neck.
↵a P < .05 is significant.