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Related Experiment Videos

Subcortical ischaemic vascular dementia.

Gustavo C Román1, Timo Erkinjuntti, Anders Wallin

  • 1University of Texas at San Antonio and the Audie L Murphy Memorial Veterans Hospital, San Antonio, Texas 78284-7883, USA. romang@uthscsa.edu

The Lancet. Neurology
|July 10, 2003
PubMed
Summary

Subcortical ischaemic vascular dementia (SIVD) is a common cause of cognitive decline in older adults. Managing risk factors like hypertension and diabetes is key to preventing this dementia.

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Area of Science:

  • Neurology
  • Geriatrics
  • Vascular Medicine

Background:

  • Vascular dementia is the second most common dementia type.
  • Subcortical ischaemic vascular dementia (SIVD) frequently affects the elderly, stemming from small-vessel disease.
  • Manifestations include cognitive dysexecutive slowing, motor deficits, and mood changes, likely due to interrupted prefrontal-basal ganglia circuits.

Purpose of the Study:

  • To review the causes, symptoms, diagnosis, risk factors, and management of SIVD.
  • To highlight the role of small-vessel disease and hypoperfusion in SIVD.
  • To emphasize the importance of risk factor control for prevention.

Main Methods:

  • Review of existing literature on SIVD.
  • Analysis of pathological mechanisms including arteriolar occlusion and white matter infarction.

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  • Discussion of diagnostic tools like CT and MRI scans.

    • Main Results:

    • SIVD is caused by small-vessel disease leading to lacunes or white matter hypoperfusion.
    • Key risk factors include advanced age, hypertension, diabetes, smoking, and hyperhomocysteinaemia.
    • Genetic conditions like CADASIL also contribute to SIVD.

    Conclusions:

    • Accurate diagnosis of SIVD relies on brain imaging.
    • Prevention strategies focus on managing modifiable risk factors.
    • Treatment for SIVD is primarily symptomatic.