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Related Experiment Videos

Beta-adrenoceptor-blocking drugs in the elderly.

B F Tregaskis1, D G McDevitt

  • 1Department of Clinical Pharmacology, Ninewells Hospital and Medical School, Dundee, Scotland.

Journal of Cardiovascular Pharmacology
|January 1, 1990
PubMed
Summary

Beta-blocker effectiveness in elderly patients is confirmed for hypertension and ischemic heart disease. Dosage adjustments are crucial due to pharmacokinetic changes, ensuring safe and well-tolerated treatment with careful supervision.

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Area of Science:

  • Gerontology
  • Pharmacology
  • Cardiology

Background:

  • Diminished beta-adrenoceptor function in the elderly, possibly specific to beta1-receptors.
  • Altered pharmacokinetics of beta-blockers in older adults, including increased bioavailability and reduced clearance.
  • Potential for reduced drug efficacy and increased adverse events in elderly populations.

Purpose of the Study:

  • To evaluate the efficacy and tolerability of beta-blockers in elderly patients.
  • To understand the pharmacokinetic and pharmacodynamic changes associated with beta-blocker use in geriatrics.
  • To provide guidance on appropriate dosing and patient selection for beta-blocker therapy in the elderly.

Main Methods:

  • Review of existing clinical trial evidence and clinical experience.

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  • Analysis of pharmacokinetic data, including absorption, bioavailability, and clearance.
  • Consideration of factors influencing beta-blocker response, such as renin status and comorbidities.

    • Main Results:

    • Beta-blockers demonstrate effectiveness as antihypertensive agents in the elderly.
    • Clinical experience supports their use in ischemic heart disease for this demographic.
    • Elderly patients generally require lower doses due to altered drug metabolism and clearance.
    • Beta-blockers are generally well-tolerated when patient selection, comorbidities, and dosage are carefully managed.

    Conclusions:

    • Beta-blockers are effective and generally well-tolerated in the elderly for cardiovascular conditions.
    • Pharmacokinetic alterations necessitate careful dose individualization and monitoring.
    • Close clinical supervision, especially during treatment initiation, is essential for optimizing outcomes and minimizing risks.