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BSTRACT : The concept of vascular dementia is not still established. Its pathogenesis is not completely understood, either. It may be different among the subtypes, e.g., ischemic, hemorrhaginc, or Binswanger´s disease. In this article epidemiology of vascular dementia was reviewed, based on the important findings regarding to prevalence, ethnic difference in `prevalence, incidence, risk factors, and natural history and survival. We have to wait-for more elegant concept of and better understanding of vascular dementia.
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