Lewy body dementia

Alternative Names

Lewy body dementia, Dementia with Lewy bodies (DLB), diffuse Lewy body disease, cortical Lewy body disease, senile dementia of Lewy type

What is Lewy body dementia

Lewy body dementia is a type of dementia closely allied to both Alzheimers and Parkinson's Diseases. It is characterized anatomically by the presence of Lewy bodies, clumps of alpha-synuclein and ubiquitin protein in neurons, detectable in post-mortem brain histology. Lewy Body dementia affects 1.3 million people in the United States.


Signs and symptoms

Lewy body dementia can cause such signs and symptoms as:

  • Visual hallucinations
  • Movement disorders
  • Delusions
  • Cognitive problems
  • Sleep difficulties
  • Fluctuating attention


Possible complications

Complications caused by lewy body dementia are the followings:

  • Severe dementia
  • Death, on average about 8 years after onset


What causes

There is no cause of Lewy body dementia, but it can be due to Alzheimer's or Parkinson's disease.


Prevention

It is impossible to prevent this disease. It is under the study.


Treatment

Neither cure nor treatment that stops or slows this disease exists. Treatment is focused on relieving symptoms and delaying loss of mental abilities for as long as possible.