Abstract: ObjectiveTo observe the clinical features, complications, and prognosis of subarachnoid hemorrhage (SAH) in the aged. Methods132 old cases were analyzed retrospectively. Results56.8% of patients complained headache as the main symptoms, 43.2% with dizziness or vertigo, 40.1% with disturbance of consciousness, 70.5% with negative of meningeal irritation sign. The most common cause is the aneurysm. The mortality was more in those complicated with hypertension. ConclusionSAH in the old characterized variable clinical manifestations, no special signs, half of them with good prognosis.

Key words: subarachnoid hemorrhage, elderly, clinical features