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Related Experiment Videos

Ventricular volume and cognitive deficit: a computed tomographic study.

A E George, M J de Leon, S Rosenbloom

    Radiology
    |November 1, 1983
    PubMed
    Summary
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    Alzheimer disease patients showed significantly larger ventricular volumes compared to healthy controls. This increased ventricular volume correlated with greater cognitive impairment severity in older adults.

    Area of Science:

    • Neurology
    • Radiology
    • Geriatrics

    Background:

    • Alzheimer disease is a progressive neurodegenerative disorder.
    • Enlargement of brain ventricles is a potential biomarker for neurodegeneration.

    Purpose of the Study:

    • To investigate the relationship between ventricular volume and cognitive function in older adults.
    • To assess if increased ventricular volume is indicative of Alzheimer disease.

    Main Methods:

    • 35 patients with suspected Alzheimer disease and 29 healthy controls (age > 60) underwent clinical evaluation, psychometric testing, and CT scans.
    • CT scans were used to calculate composite ventricular volume, corrected for brain size.
    • Statistical analysis was performed to compare ventricular volumes and cognitive scores between groups.

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    Main Results:

    • Patients with Alzheimer disease had significantly larger composite ventricular volumes (7.5%) compared to normal controls (5.2%) (p < .009).
    • A significant positive association was found between increasing ventricular volume and the severity of cognitive impairment (p < .05).

    Conclusions:

    • Elevated ventricular volume is a significant indicator in the presumptive diagnosis of Alzheimer disease.
    • Ventricular enlargement may serve as a quantifiable marker for cognitive decline in aging populations.