Patient demographics and aneurysm information
| No. | |
|---|---|
| Patients | 147 |
| Aneurysms | 161 |
| Females | 110 (74.8%) |
| Mean age (yr) | 54.0 |
| Age range (yr) | 27–81 |
| Presentation/indications for treatment | |
| SAH | 18 (11%) |
| Headache/incidental | 80 (55%) |
| Recurrence after coiling | 27 (18%) |
| Stroke/transient ischemic attack | 13 (9%) |
| Mass effect | 7 (5%) |
| Recurrence after clipping/failed clipping | 2 (1%) |
| Aneurysm dimensions | |
| Mean aneurysm dome size (SEM) | 6.5 (0.4) mm |
| Mean aneurysm neck size (SEM) | 5.1 (0.3) mm |
| Dome/neck ratio (SEM) | 1.3 (0.04) |
| Aneurysm Location | |
| ACA | 4 (2.5%) |
| AcomA | 15 (9.5%) |
| BA | 15 (9.5%) |
| Cavernous ICA | 14 (9%) |
| Paraclinoid ICA | 18 (11%) |
| Extracranial ICA | 3 (2%) |
| ICA terminus | 6 (4%) |
| MCA | 18 (11%) |
| Ophthalmic/paraophthalmic | 23 (14%) |
| PcomA | 23 (14%) |
| PICA | 2 (1%) |
| SCA | 2 (1%) |
| Superior hypophyseal | 12 (7.5%) |
| VA | 6 (4%) |
| Morphology | |
| Wide-neck saccular | 95 (60%) |
| Fusiform/dissecting | 24 (15%) |
| Blister | 8 (5%) |
| Recurrence (clipping or coiling) | 34 (20%) |
Note:—SEM indicates standard error of the mean; ACA, anterior cerebral artery; AcomA, anterior communicating artery; BA, basilar tip; PcomA, posterior communicating artery; SCA, superior cerebellar artery; VA vertebral artery.