How common is vascular dementia in stroke victims?

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

The prevalence rate of dementia is 9 times higher in patients who have had a stroke than in controls. One year after a stroke, 25% of patients develop new-onset dementia. Within 4 years following a stroke, the relative risk of incident dementia is 5.5%.


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