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Related Experiment Videos

Benzodiazepine use and cognitive function among community-dwelling elderly

J T Hanlon1, R D Horner, K E Schmader

  • 1Department of Medicine, Duke University Medical Center, USA.

Clinical Pharmacology and Therapeutics
|January 1, 1999
PubMed
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Current benzodiazepine use in the elderly is linked to memory problems. Higher doses and longer use exacerbate memory impairment, affecting cognitive function in older adults.

Area of Science:

  • Gerontology
  • Neuroscience
  • Pharmacology

Background:

  • Benzodiazepine medications are widely prescribed for elderly individuals.
  • Cognitive function is a critical aspect of healthy aging.
  • Understanding medication side effects on cognition is essential for this population.

Purpose of the Study:

  • To investigate the association between benzodiazepine use and cognitive function in community-dwelling elderly individuals.
  • To determine if factors like dosage, half-life, or duration of benzodiazepine use influence cognitive outcomes.

Main Methods:

  • Prospective cohort study of 2765 cognitively intact elderly subjects.
  • Cognitive function assessed using the Short Portable Mental Status Questionnaire and Orientation-Memory-Concentration Test.

Related Experiment Videos

  • Benzodiazepine use categorized by dose, half-life, and duration; adjusted for covariates.

    • Main Results:

    • Current benzodiazepine users exhibited more memory test errors compared to non-users.
    • A dose-response relationship was observed, with higher doses correlating with greater memory impairment.
    • Long-term benzodiazepine use and use of both short and long half-life agents were associated with increased memory problems.

    Conclusions:

    • Current benzodiazepine use is associated with poorer memory performance in the elderly.
    • The negative impact on memory appears dose-dependent and duration-dependent.
    • These findings highlight the importance of careful benzodiazepine prescribing in older adults.