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Related Experiment Videos

Filterability and cerebro-vascular disease

J P Emeriau, M Deguilhem, C Borde

    Scandinavian Journal of Clinical and Laboratory Investigation. Supplementum
    |January 1, 1981
    PubMed
    Summary
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    Pentoxifylline improved red blood cell filterability and memory function in elderly patients. However, no correlation was found between improved cell function and cognitive enhancements.

    Area of Science:

    • Gerontology
    • Pharmacology
    • Neuroscience

    Background:

    • Elderly patients often experience cognitive decline and reduced cerebral efficiency.
    • Pentoxifylline is a hemorheologic agent known to improve blood flow.
    • Investigating pentoxifylline's effects on cognitive function and red blood cell deformability in the elderly is warranted.

    Purpose of the Study:

    • To evaluate the efficacy of pentoxifylline in enhancing cerebral efficiency in elderly individuals.
    • To assess the impact of pentoxifylline on red blood cell filterability and cognitive performance.
    • To determine potential correlations between hemorheologic changes and psychometric improvements.

    Main Methods:

    • Two groups of elderly patients (average age 80) received 800 mg of pentoxifylline daily.

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  • Group I was treated for 30 days; Group II received treatment for 90 days.
  • Cognitive function was assessed using psychometric tests; red blood cell deformability was measured.

    • Main Results:

    • Pentoxifylline significantly increased corrected red blood cell filterability (P < 0.05).
    • Memory test performance showed significant improvement in both groups (P < 0.005).
    • No significant changes were observed in geriatric rating scales, and no correlation was found between filterability and cognitive improvements.

    Conclusions:

    • Pentoxifylline demonstrates potential in improving red blood cell filterability and certain cognitive functions, specifically memory, in the elderly.
    • The study did not establish a direct link between enhanced red blood cell deformability and improved psychometric test results.
    • Further research is needed to elucidate the mechanisms underlying pentoxifylline's effects on cognitive function in older adults.