Characteristics of patients, aneurysms and retreatment with angiographic outcome
| Baseline characteristics | All (n=57) |
| Age (years) | 54±10.8 |
| Female | 36 (78) |
| Acutely ruptured | 25 (40) |
| Aneurysm height (mm) | 5.9±2.3 |
| Aneurysm width (mm) | 5.8±2.3 |
| Aneurysm neck (mm) | 4.5±1.7 |
| Aspect ratio (height/neck) | 1.4±0.6 |
| Aneurysm location | |
| ACom | 20 (35) |
| MCA | 19 (33) |
| BA | 8 (14) |
| PCom | 6 (11) |
| ACA | 2 (4) |
| Other | 2 (4) |
| Retreatment type | |
| Surgery | 6 (10.5) |
| Flow diverter stent | 25 (43.9) |
| Stent-assisted coiling | 10 (17.5) |
| Coiling | 6 (10.5) |
| Y-stents assisted coiling | 5 (8.8) |
| WEB | 5 (8.8) |
| Angiographic outcomes | |
| DSA for last follow-up | 28 (49) |
| Last imaging (month) | 12 (5.7–18.6) |
| BOSS 0 or 0’ | 28 (56) |
| BOSS 1 | 2 (4) |
| BOSS 2 | 14 (28) |
| BOSS 3 or 3+1 | 6 (12) |
Data are presented as a percentage (%) for qualitative variables and as mean±SD or median (IQR) for quantitative variables (according to their distribution).
ACA, anterior cerebral artery; ACom, anterior communicating artery; BA, basilar artery; BOSS, Bicêtre Occlusion Scale Score; DSA, digital subtraction angiography; MCA, middle cerebral artery; PCom, posterior communicating artery; WEB, Woven EndoBridge device.