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Vascular dementia is dementia caused by a series of strokes. [ 2 ] [ 4 ] Restricted blood flow due to strokes reduces oxygen and glucose delivery to the brain, causing cell injury and neurological deficits in the affected region. [ 6 ]
Because of this, the specific names of these types of this dementia, including Binswanger's disease were lost. [4] This was until 1992 when Alzheimer's diagnostic centers created specific criteria known as the Hachinski Ischemic Scale (after Dr. Vladimir Hachinski) which became the standard for diagnosing MID or vascular dementia. [21]
Brain scans may show evidence of multiple strokes of different sizes in various locations. People with vascular dementia tend to have risk factors for disease of the blood vessels, such as tobacco use, high blood pressure, atrial fibrillation, high cholesterol, diabetes, or other signs of vascular disease such as a previous heart attack or angina.
Anything that affects brain function (including stroke or other conditions that compromise blood flow) can cause cognitive issues and even dementia. Vascular dementia can happen after a stroke ...
One form of dementia—called vascular dementia—is caused by regular small strokes, he points out. “Fluctuating cholesterol levels may therefore cause fluctuating risk for strokes,” Segil says.
Brain ischemia has been linked to a variety of diseases or abnormalities. Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population.
The most common presentation of cerebrovascular disease is an ischemic stroke or mini-stroke and sometimes a hemorrhagic stroke. [2] Hypertension (high blood pressure) is the most important contributing risk factor for stroke and cerebrovascular diseases as it can change the structure of blood vessels and result in atherosclerosis . [ 5 ]
A new expert report, published in the journal Stroke, reviews the latest research and explains that three common cardiovascular diseases in adults — heart failure, atrial fibrillation (AFib ...