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Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
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Designing a dosage regimen, which refers to the manner of drug administration, is a complex process involving the selection of drug dose, route, and frequency. This process is underpinned by pharmacokinetic parameters derived from tests and population averages. These parameters are then tailored to patient-specific variables such as diagnosis, demographics, and allergy status. Once therapy commences, therapeutic response monitoring is critical and achieved through clinical and physical...
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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

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As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
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Pharmacodynamics in Geriatric Patients: Effects of Age01:27

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Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
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Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are...
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Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
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A Scalable, Multi-format Approach to Polypharmacy Education in Rural Older Adults: An Exploratory Pilot Study

Caleb Zimmerman1, Aditya Shah1, Patrick Fakhoury1

  • 1College of Medicine, Central Michigan University, Mt. Pleasant, USA.

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Summary

Educational interventions improved medication management for rural older adults. Self-paced packets offered wider reach and engagement, proving effective for addressing polypharmacy challenges.

Keywords:
health education & informationmedication managementolder adults and rural communitypolypharmacyrural health challenges

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Area of Science:

  • Gerontology
  • Public Health
  • Health Education

Background:

  • Polypharmacy presents significant health risks for older adults, particularly in rural areas with limited healthcare access.
  • This study addresses the need for accessible medication management support in rural aging populations.

Purpose of the Study:

  • To assess the feasibility and impact of two educational interventions on medication management for rural older adults.
  • To compare the effectiveness of in-person sessions versus self-paced educational packets.

Main Methods:

  • A comparative intervention study involving rural adults aged 60+ years taking multiple medications.
  • Interventions utilized the WHO's Five Moments for Medication Safety framework.
  • Pre- and post-surveys measured knowledge, confidence, and practices; statistical analysis examined polypharmacy associations.

Main Results:

  • Both interventions enhanced polypharmacy knowledge and management confidence.
  • Polypharmacy (>4 medications) was significantly linked to management difficulties (p=0.011) and multiple challenges (OR=9.99).
  • Self-paced packets showed superior scalability, reach (96.8% outside study county), and participant engagement, with 93.9% feeling more confident discussing medications.

Conclusions:

  • Both educational approaches improved medication management outcomes for rural older adults.
  • Self-paced packets demonstrated greater scalability and engagement, effectively reducing participation barriers.
  • Targeted educational interventions are validated for addressing polypharmacy challenges, with a multi-format packet model showing promise for equitable rural health access.