Oral contraceptives
Cigarette smoking
Following cocaine abuse
Alcohol consumption: controversial
Diurnal variations in blood pressure
Pregnancy and parturition
Slight increased risk during lumbar puncture and/or cerebral angiography in patient with cerebral aneurysm
Slight increased risk with advancing age
Conditions with an increased incidence of cerebral aneurysms
Left ventricular assist device-associated subarachnoid hemorrhage may be caused by infectious intracranial aneurysms when acute bloodstream infections are present 1).