What is the mortality and morbidity of vascular dementia?

Updated: Mar 26, 2018
  • Author: Kannayiram Alagiakrishnan, MD, MBBS, MPH, MHA; Chief Editor: Glen L Xiong, MD  more...
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Answer

In patients with dementia who have had a stroke, the increase in mortality is significant. The 5-year survival rate is 39% for patients with vascular dementia compared with 75% for age-matched controls. [9]

Vascular dementia is associated with a higher mortality rate than AD, presumably because of the coexistence of other atherosclerotic diseases.

Study on causes of death in patients with dementia showed that circulatory system disorders (e.g., ischemic heart disease) is the most common immediate cause of death in vascular dementia, followed by respiratory system diseases (e.g., pneumonia). [10]

A study of hospitalization rates in patients with dementia showed that persons who developed different types of incident dementia, including vascular dementia, were found to have an increased risk of hospitalization, including hospitalization for ambulatory care-sensitive conditions. [11]


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