When the blood vessels leading to the brain get blocked or become narrow affecting the blood flow to the brain, it results in vascular dementia. In this condition, the brain does not get sufficient amounts of oxygen and nutrients and as a result the affected part of the brain begins to die. Usually this kind of dementia is brought on by multiple strokes.
However, it is important to point out that it is not necessary that strokes will cause vascular dementia. But, statistics reveal that one-third of people who have multiple small strokes end up having vascular dementia within 6 months. Even health issues like diabetes, elevated blood pressure, high cholesterol levels, and arthrosclerosis can result in vascular dementia.
Unfortunately, vascular dementia is a permanent disorder as medical science has not been able to find a cure for it till date. It is also a progressive disorder and the person's condition will get worse with passing time.
Usually when a person is diagnosed with vascular dementia, it is common for the caregiver to try and find out as much as possible about the life expectancy of their loved one. Life expectancy of vascular dementia varies from one person to another and is primarily dependent on the person's health, his or her age, and the cause for the dementia. In case the vascular dementia is severe, then life expectancy will range from 5 years to 6 years. In case the dementia is not severe, then life expectancy will be higher than 5 to 6 years.
It has also been seen through research that life expectancy of vascular dementia in men is lower, people from lower strata of society and people who do not do well in neuro-psychological tests. In such cases, the life expectancy is reduced by fifty percent.
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