Aneurysm characteristics in various case series and meta-analyses
| Series | Current | Lasjaunias et al18 | Huang et al22 | Agid et al29 |
|---|---|---|---|---|
| Patients (No.) | 77 (103 aneurysms) | 59 (75 aneurysms) | 706 | 33 (37 aneurysms) |
| Etiology/morphology | ||||
| Fusiform | 31% | 56% | – | 19% |
| Saccular | 46% | 27% | – | 46% |
| Infectious | 12% | 14% | – | 8% |
| Traumatic | 14% | 3% | – | 14% |
| Giant (>25 mm) | 11% | – | 20% | – |
| Multiple | 16% of patients, 38% of aneurysms | 15% | – | – |
| Posterior circulation | 22% | 27% | 17% | 24% |
| Age | 12 yr (3 mo to 18 y) | 7.6 yr (8 days to 15 yr) | 0–18 yr | 10.2 y (1 day to 17 yr) |
| Sex (% male) | 48% | 59% | 63% | 48% |
| Hemorrhage | 32% | 54% | 80% | 27% |
| Mortality | 1.3% | 10.4% | 28% | 15% |
Note:— –indicates not applicable.