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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

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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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Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

278
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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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

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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...
298
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

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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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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

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In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

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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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Related Experiment Video

Updated: Feb 24, 2026

Driving Simulation in the Clinic: Testing Visual Exploratory Behavior in Daily Life Activities in Patients with Visual Field Defects
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CE: Can Your Older Patients Drive Safely?

Loren Staplin1, Kathy H Lococo, Tia Mastromatto

  • 1Loren Staplin is the managing partner, Kathy H. Lococo is a research associate, and Tia Mastromatto is a research assistant, all at TransAnalytics, Quakertown, PA. Kathy J. Sifrit is the contracting officer's technical representative at the National Highway Traffic Safety Administration, Washington, DC. Kathleen M. Trazzera is the clinical director at White Horse Village, Newton Square, PA. Contact author: Loren Staplin, lstaplin@transanalytics.com. Loren Staplin has served as principal investigator on numerous contracts awarded by the U.S. Department of Transportation's National Highway Traffic Safety Administration and Federal Highway Administration. The authors and planners have disclosed no potential conflicts of interest, financial or otherwise.

The American Journal of Nursing
|August 15, 2017
PubMed
Summary

As aging affects driving abilities, identifying older adults at higher risk for accidents is crucial. Nurses can help by raising awareness and connecting patients to resources for safe driving or alternative transportation.

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Area of Science:

  • Gerontology
  • Public Health
  • Nursing

Background:

  • Driving is essential for older adults' independence, comfort, and security.
  • Aging and age-related diseases can impair functional abilities, increasing crash risk.
  • Preventive medicine strategies are needed to address older driver safety.

Purpose of the Study:

  • To identify age-related driving risks.
  • To inform nurses on assessing and intervening with at-risk older drivers.
  • To highlight community resources supporting older adult mobility.

Main Methods:

  • Literature review on aging and driving safety.
  • Discussion of nursing interventions for older drivers.
  • Exploration of community-based transportation solutions.

Main Results:

  • Normal aging and diseases significantly impact older drivers' functional capacity.
  • Increased risk of motor vehicle accidents, injury, and fatality among older adults.
  • Nurses play a key role in risk identification and intervention.

Conclusions:

  • Early identification and intervention are vital for older drivers at increased risk.
  • Nurses can educate patients on age-related driving risks.
  • Connecting older adults to resources promotes continued safe driving or alternative transport.