Cerebrovascular Disease (CBVD) refers to a group of conditions that affect the circulation of blood to the brain, causing limited or no blood flow to affected areas of the brain. Restrictions in blood flow may occur from vessel narrowing (stenosis), clot formation (thrombosis), blockage (embolism), or blood vessel rupture (hemorrhage). Lack of sufficient blood flow (ischemia) affects brain tissue and may cause a stroke. The most common types of CBVDs are Stroke, Transient ischaemic attack, Aneurysms, Arteriovenous Malformations, Subarachnoid haemorrhage, Carotid, vertebral and Intracranial stenosis, Vascular dementia, Aneurysms, Vascular malformations and moyamoya disease.
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