Definition

Vascular dementia (VD) is when the brain doesn't get enough oxygen. This damages brain cells.

Healthy and Injured Brain Blood Vessels

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Causes

VD happens when brain cells die because they do not get enough oxygen. This is due to narrowing or blocking of the vessels that carry blood to the brain.

Risk Factors

VD is more common in older adults. It is also more common in people who have one or more of these risk factors:

• History of smoking
• Lack of activity
• Obesity
• High blood pressure
• Diabetes
• Stroke
• Heart disease
• Atrial fibrillation
• Peripheral artery disease
• Chronic kidney disease

Symptoms

Problems vary from person to person. It depends on the part of the brain that is affected.

A person may have:

• Changes in memory, thinking, or acting that may get in the way of daily activities
• Problems controlling urine
• Problems walking
• Mood changes

Diagnosis

The doctor will ask about your symptoms and health history. A physical exam will be done. Test may also be done to assess thinking abilities.

Blood tests may be done. It can rule out other health problems that may cause dementia.

Pictures may be taken of your brain and body structures. This can be done with:

• MRI scan
• CT scan

Treatment

There is no cure for VD. The goal is to slow VD and improve quality of life.

Medicine may be given to improve thinking and function. Dietary supplements may also be used.

Underlying health problems will also need to be treated, such as:

• High blood pressure
• Heart arrhythmias
• High cholesterol
• Conditions that cause the blood to clot
• Diabetes

Prevention

To lower the risk of VD:

• Avoid using tobacco.
• Limit alcohol.
• Manage health problems, such as high blood pressure, high cholesterol, and diabetes.
• Maintain a healthy weight through diet and exercise.