Baseline characteristics and angiographic outcomesa
| Baseline Aneurysm Characteristics | All (n = 48) |
|---|---|
| Age (mean) (yr) | 58.4 (SD, 11.2) |
| Women | 26 (54.2) |
| Cardiovascular risk factor | 25 (52.1) |
| Current smoker | 7 (14.6) |
| Acutely ruptured | 16 (33.3) |
| Irregular aneurysm | 19 (39.6) |
| Maximum diameter (mean) (mm) | 6.5 (SD, 2.2) |
| Aneurysm height (mean) (mm) | 5.0 (SD, 1.8) |
| Aneurysm neck (mean) (mm) | 3.8 (SD, 1.1) |
| Aneurysm width (mean) (mm) | 5.1 (SD, 1.7) |
| Aspect ratio (height/neck) (mean) | 1.27 (SD, 0.39) |
| Width/neck ratio (mean) | 1.28 (SD, 0.27) |
| Unilateral A1 (grade Y) | 13 (27.1) |
| Unilateral functional A1 (grade H3+Y) | 19 (39.6) |
| Baseline treatment characteristics | |
| Type of WEB WEB-DL WEB-SL WEB-SLS | 2 (4.2) 37 (77.1) 9 (18.8) |
| WEB device generation Fifth generation Previous generations | 30 (62.5) 18 (37.5) |
| Additional stent | 2 (4.7) |
| Angiographic outcomes | |
| Adequate occlusion | 33 (68.8) |
| Complete occlusion | 30 (62.5) |
| Aneurysm remnant | 15 (31.2) |
| WShM (median) (IQR) (%) | 31 (11–51) |
Note:—IQR indicates interquartile range.
↵a Data are presented as number (%) unless otherwise indicated.