Vascular dementia: Difference between revisions

Revision as of 20:58, 9 February 2025

Type of dementia caused by problems in blood supply to the brain

Vascular dementia is a common form of dementia caused by an impaired supply of blood to the brain. It is the second most common type of dementia after Alzheimer's disease.

Causes

Vascular dementia is primarily caused by conditions that block or reduce blood flow to various regions of the brain, depriving them of oxygen and nutrients. Common causes include stroke, small vessel disease, and cerebral amyloid angiopathy.

Symptoms

The symptoms of vascular dementia can vary depending on the part of the brain affected and the severity of the damage. Common symptoms include:

Memory loss
Difficulty with problem-solving
Slowed thinking
Confusion
Changes in mood or behavior

Diagnosis

Diagnosis of vascular dementia involves a combination of medical history, physical examination, and imaging tests such as MRI or CT scan to identify changes in the brain's structure.

Treatment

While there is no cure for vascular dementia, treatment focuses on managing the underlying conditions and symptoms. This may include:

Medications to control blood pressure, cholesterol, and diabetes
Lifestyle changes such as a healthy diet and regular exercise
Cognitive therapy

Prevention

Preventive measures for vascular dementia include maintaining a healthy lifestyle, controlling cardiovascular risk factors, and regular medical check-ups.

Prognosis

The progression of vascular dementia can vary widely among individuals. Some may experience a gradual decline, while others may have a more sudden onset of symptoms following a stroke or other vascular event.

Related pages

Gallery

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Brain atrophy in vascular dementia
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MRI showing white matter changes

References

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-Vascular dementia, the second most common form of dementia in older adults after Alzheimer’s disease, and vascular cognitive impairment (VCI) result from injuries to vessels that supply blood to the brain, often after a stroke or series of strokes. The symptoms of vascular dementia can be similar to those of Alzheimer’s, and both conditions can occur at the same time (a condition called “mixed dementia”). Symptoms of vascular dementia and VCI can begin suddenly and worsen or improve over time.
+{{Short description|Type of dementia caused by problems in blood supply to the brain}}
+{{Use dmy dates|date=October 2023}}
-== Vascular Contributions to Cognitive Impairment and Dementia ==
+'''Vascular dementia''' is a common form of [[dementia]] caused by an impaired supply of blood to the brain. It is the second most common type of dementia after [[Alzheimer's disease]].
-Vascular contributions to cognitive impairment and dementia (VCID)cause significant changes to memory, thinking, and behavior. Cognition andbrain function can be significantly affected by the size, location, and numberof brain injuries. Vascular dementia and vascular cognitive impairment arise.
-as a result of risk factors that similarly increase the risk for cerebrovasculardisease (stroke), including atrial fibrillation, hypertension, diabetes, andhigh cholesterol. Symptoms of VCID can begin suddenly and progressor subside during one’s lifetime. VCID can occur along with Alzheimer’sdisease. Persons with VCID almost always have abnormalities in thebrain on magnetic resonance imaging scans. These include evidence ofprior strokes, often small and asymptomatic, as well as diffuse changes inthe brain’s “white matter”—the connecting “wires” of the brain that arecritical for relaying messages between brain regions. Microscopic brainexamination shows thickening of blood vessel walls called arteriosclerosisand thinning or loss of components of the white matter.
+==Causes==
+Vascular dementia is primarily caused by conditions that block or reduce blood flow to various regions of the brain, depriving them of oxygen and nutrients. Common causes include [[stroke]], [[small vessel disease]], and [[cerebral amyloid angiopathy]].
-== Forms of VCID include: ==
+==Symptoms==
-• Vascular dementia refers to progressive loss of memory and other cognitive functions caused by vascular injury or disease within thebrain. Symptoms of vascular dementia may sometimes be difficult todistinguish from Alzheimer’s disease. Problems with organization,attention, slowed thinking, and problem solving are all more prominentin VCID, while memory loss is more prominent in Alzheimer’s.
+The symptoms of vascular dementia can vary depending on the part of the brain affected and the severity of the damage. Common symptoms include:
+* [[Memory loss]]
+* Difficulty with [[problem-solving]]
+* Slowed thinking
+* [[Confusion]]
+* Changes in mood or behavior
-• Vascular cognitive impairment involves changes with language, attention, and the ability to think, reason, and remember that are noticeable but arenot significant enough to greatly impact daily life. These changes, causedby vascular injury or disease within the brain, progress slowly over time.
+==Diagnosis==
+Diagnosis of vascular dementia involves a combination of medical history, physical examination, and imaging tests such as [[MRI]] or [[CT scan]] to identify changes in the brain's structure.
-• Post-stroke dementia can develop months after a major stroke. Not everyone who has had a major stroke will develop vascular dementia, but therisk for dementia is significantly higher in someone who has had a stroke.
+==Treatment==
+While there is no cure for vascular dementia, treatment focuses on managing the underlying conditions and symptoms. This may include:
+* [[Medications]] to control blood pressure, cholesterol, and diabetes
+* [[Lifestyle changes]] such as a healthy diet and regular exercise
+* [[Cognitive therapy]]
-• Multi-infarct dementia is the result of many small strokes (infarcts) and mini-strokes. Language or other functions may be impaired, dependingon the region of the brain that is affected. The risk for dementia is significantly higher in someone whohas had a stroke. Dementia is morelikely when strokes affect both sidesof the brain. Even strokes that don’tshow any noticeable symptoms canincrease the risk of dementia.
+==Prevention==
+Preventive measures for vascular dementia include maintaining a healthy lifestyle, controlling [[cardiovascular risk factors]], and regular medical check-ups.
-• Cerebral autosomal dominant arteriopathy with subcorticalinfarcts and leukoencephalopathy(CADASIL) is an extremely rare inherited disorder caused by athickening of the walls of small- and medium-sized blood vessels,which reduces the flow of blood to the brain. CADASIL is associatedwith multi-infarct dementia, stroke, and other disorders. The firstsymptoms can appear in people between ages 20 and 40. CADASILmay have symptoms that can be confused with multiple sclerosis.Many people with CADASIL are undiagnosed.
+==Prognosis==
+The progression of vascular dementia can vary widely among individuals. Some may experience a gradual decline, while others may have a more sudden onset of symptoms following a stroke or other vascular event.
-• Subcortical vascular dementia, previously called Binswanger’s disease, involves extensive microscopic damage to the small blood vessels andnerve fibers that make up white matter. Some consider it an aggressiveform of multi-infarct dementia. Cognitive changes include problemswith short-term memory, organization, attention, decision making, andbehavior. Symptoms tend to begin after age 60, and they progress in astepwise manner. People with subcortical vascular disease often havehigh blood pressure, a history of stroke, or evidence of disease of thelarge blood vessels in the neck or heart valves.
+==Related pages==
+* [[Dementia]]
+* [[Alzheimer's disease]]
+* [[Stroke]]
-• Cerebral amyloid angiopathy is a buildup of amyloid plaques in the walls of blood vessels in the brain. It is generally diagnosed when multiple tinybleeds in the brain are discovered using magnetic resonance imaging.
+==Gallery==
-{{stub}}
+<gallery>
-{{Mental and behavioural disorders|selected = neurological}}
+File:BrainAtrophy(exvacuo).png|Brain atrophy in vascular dementia
-{{CNS diseases of the nervous system}}
+File:Fcvm-08-803169-g0001.jpg|MRI showing white matter changes
+</gallery>
+==References==
+{{Reflist}}
-[[Category:Cognitive disorders]]
 [[Category:Dementia]]
-[[Category:Learning disabilities]]
+[[Category:Neurological disorders]]
-[[Category:Mental disorders due to brain damage]]