There are no standard treatments for existing<unk> . Prevention is most important, usually related to control of high blood pressure. Interventions can include medications or lifestyle changes.
Intracranial dolichoectasias
Vein of Galen aneurysmal malformations
Chiari malformation
Porencephaly
Periventricular leukomalacia
Hydrocephalus
Cavernous venous malformation
Intraventricular hemorrhage