Comparison of procedural ruptures in 196 very small aneurysms and 1099 larger aneurysms
| 196 Aneurysms ≤ 3 mm in 187 Patients | 1099 Aneurysms ≥ 4 mm in 1006 Patients | Total 1295 Aneurysms in 1193 Patients | |
|---|---|---|---|
| Procedural ruptures | 15 (7.7%) | 36 (3.6%) | 51 (3.9%) |
| Ruptured aneurysms | 15 (100%) | 32 (88.9%) | 47 (92.2%) |
| Poor condition at treatment (HH III–V) | 3 (20%) | 15 (41.7%) | 18 (35.3) |
| Poor outcome (GOS 1–3) | 5 (33.3%) | 11 (30.6%) | 16 (31.4%) |
Note:—HH indicates Hunt and Hess grade; GOS, Glasgow Outcome Scale.