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Pathophysiology of vascular dementia and white matter changes.

L Parnetti1

  • 1Institute of Nervous and Mental Diseases, University of Perugia, Italy. parnetti@unipg.it, adresse ci-dessus

Revue Neurologique
|October 21, 1999
PubMed
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Vascular dementia (VaD) is a brain disorder resulting from vascular lesions. Its development is influenced by stroke characteristics, white matter changes, and co-occurring Alzheimer

Area of Science:

  • Neurology
  • Neuroscience
  • Geriatrics

Background:

  • Vascular dementia (VaD) is a clinical syndrome resulting from brain lesions of vascular origin.
  • It encompasses various subtypes including multi-infarct, small-vessel disease, and hemorrhagic dementia.
  • The broad spectrum of VaD highlights the diverse vascular pathologies involved.

Purpose of the Study:

  • To define vascular dementia and outline its proposed subtypes.
  • To identify key determinants contributing to the development of dementia in vascular disease.
  • To underscore the multifactorial nature of dementia in stroke patients.

Main Methods:

  • Review and synthesis of existing literature on vascular dementia.
  • Classification of VaD into proposed subtypes based on lesion characteristics.

Related Experiment Videos

  • Identification of major determinants influencing dementia development.

    • Main Results:

    • Vascular dementia arises from ischemic, hemorrhagic, or hypoxic brain lesions.
    • Six subtypes of VaD are proposed, reflecting its wide clinical presentation.
    • Key determinants include stroke characteristics (lacunar infarcts, strategic localization), white matter changes, and co-existing Alzheimer pathology.

    Conclusions:

    • Vascular dementia is a complex syndrome with multiple contributing vascular factors.
    • White matter changes and associated Alzheimer pathology are significant risk factors for VaD.
    • Many cases of dementia in stroke patients result from the summation of various lesion types.