| FEATURES | NUMBER (N) | PERCENTAGES (%) |
| Number of patients | 21 | 100 |
| Number of GIAs | 21 | 100 |
| Gender |
|
|
| Male | 5 | 23.80 |
| Female | 16 | 76.20 |
| Male: female ratio | 1:3.2 |
|
| AGE (years) |
|
|
| Mean (range) | 46 (21 - 68) |
|
| Mode of revelation |
|
|
| Mass effect | 13 | 61.90 |
| CN deficits | 06 | 28.57 |
| Headaches | 04 | 19.04 |
| Intracranial hypertension | 03 | 14.28 |
| Seizures | 03 | 14.28 |
| Incidental | 03 | 14.28 |
| SAH; Ischemic stroke (each) | 01 | 04.76 |
| Clinical manifestations |
|
|
| Headaches | 12 | 57.14 |
| CN deficits | 09 | 42.85 |
| SAH | 03 | 14.28 |
| Seizures | 03 | 14.28 |
| Diplopia | 02 | 09.52 |
| Motor or sensitive deficit (each) | 01 | 04.76 |
| Aneurysm features |
|
|
| Mean size (range) | 33.75 mm (26 - 42) | ------ |
| Carotid-ophthalmic | 07 | 33.33 |
| Cavernous sinus | 04 | 19.04 |
| MCA | 05 | 23.80 |
| Multiloculated | 07 | 33.33 |
| Fusiform* | 05 | 23.80 |
| Saccular | 05 | 23.80 |
| Multiple | 03 | 14.28 |
| Circle of Willis anomalies§ | 13 | 61.90 |
| Past medical history |
|
|
| Smoking | 08 | 38.09 |
| Arterial hypertension | 03 | 14.28 |
| Migraine headaches | 02 | 09.52 |
| Family history of cerebral aneurysm | 01 | 04.76 |
| Delay between STA-MCA bypass & PAO (days) | 14 (6 - 30) |
|
| Follow up (months) |
|
|
| Mean (range) | 30 (6 - 72.5) |
|