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Pharmacogeriatrics.

F Pucino, C L Beck, R L Seifert

    Pharmacotherapy
    |November 1, 1985
    PubMed
    Summary
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    As the elderly population grows, age-related physiological changes significantly impact drug effectiveness and safety. Understanding these changes is crucial for optimizing pharmacologic response and patient compliance in older adults.

    Area of Science:

    • Gerontology and Geriatric Medicine
    • Clinical Pharmacology
    • Pharmacotherapeutics

    Background:

    • The elderly population is rapidly expanding in the United States, with an estimated 45 million individuals aged 65 and older by 2020.
    • Aging is characterized by variable declines in physiological functions, significantly affecting how the body processes medications.

    Purpose of the Study:

    • To review the physiological processes that commonly influence pharmacologic response in the elderly.
    • To examine factors affecting patient compliance with drug therapy in older adults.
    • To highlight the impact of aging on drug efficacy and safety.

    Main Methods:

    • Review of existing literature on aging, pharmacokinetics, and pharmacodynamics.
    • Analysis of age-related changes in cardiovascular, renal, and hepatic functions.

    Related Experiment Videos

  • Examination of common adverse drug reactions and drug interactions in the elderly population.

    • Main Results:

    • Age-related alterations in cardiovascular, renal, and hepatic functions profoundly affect drug therapy.
    • Both pharmacokinetic (absorption, distribution, metabolism, excretion) and pharmacodynamic (drug effect) variables are altered by the aging process.
    • Adverse drug reactions, drug interactions, and poor patient compliance are frequent complications in geriatric pharmacotherapy.

    Conclusions:

    • A comprehensive understanding of age-related physiological changes is essential for effective drug management in the elderly.
    • Addressing altered pharmacokinetics, pharmacodynamics, and compliance issues is critical to improve therapeutic outcomes and minimize risks in older patients.
    • This review underscores the need for tailored pharmacologic approaches for the geriatric population.