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Related Experiment Videos

Blood brain barrier function in vascular dementia.

A Wallin1, K Blennow, P Fredman

  • 1Department of Psychiatry and Neurochemistry, Gothenburg University, Sweden.

Acta Neurologica Scandinavica
|April 1, 1990
PubMed
Summary

Vascular dementia (VD) is linked to an altered blood-brain barrier (BBB), indicated by a higher albumin ratio in patients. This suggests small vessel disorder, not infarcts, may cause BBB changes in VD.

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Area of Science:

  • Neurology
  • Neuroscience
  • Biochemistry

Background:

  • The blood-brain barrier (BBB) protects the central nervous system.
  • Disruption of the BBB is implicated in various neurological disorders.
  • Vascular dementia (VD) is a common cause of cognitive impairment, often associated with cerebrovascular disease.

Purpose of the Study:

  • To investigate blood-brain barrier (BBB) integrity in patients with vascular dementia (VD).
  • To determine if BBB dysfunction, measured by the albumin ratio, is associated with VD.
  • To explore the relationship between BBB function and clinical factors in VD.

Main Methods:

  • Analysis of albumin ratio (cerebrospinal fluid/serum) in 53 VD patients and 30 healthy controls.
  • Comparison of mean albumin ratios between the VD group and the control group.

Related Experiment Videos

  • Correlation analysis of the albumin ratio with age and clinical vascular factors.

    • Main Results:

    • The VD group exhibited a significantly higher mean albumin ratio (8.5 ± 3.8) compared to controls (5.7 ± 2.1).
    • No significant correlation was found between the albumin ratio and patient age.
    • The albumin ratio did not significantly correlate with individual clinical vascular factors.

    Conclusions:

    • Altered blood-brain barrier (BBB) function, evidenced by an increased albumin ratio, is present in vascular dementia (VD).
    • The findings suggest that small vessel disorder, rather than infarcts, may be the underlying cause of BBB dysfunction in VD.
    • BBB integrity warrants further investigation as a potential therapeutic target in VD.