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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

286
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...
286
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

243
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...
243
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

271
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...
271
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

264
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...
264
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

232
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...
232
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

719
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...
719

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Related Experiment Video

Updated: Feb 17, 2026

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
06:58

Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

Published on: January 24, 2020

7.9K

Caution is Key When Prescribing for Older Adults.

Laura G Leahy

    Journal of Psychosocial Nursing and Mental Health Services
    |December 2, 2017
    PubMed
    Summary

    Caring for aging adults presents unique challenges for mental health professionals. Careful medication management and tailored treatments are crucial for improving older patients

    Area of Science:

    • Geriatric Psychiatry
    • Psychosocial Nursing
    • Mental Health Services for Older Adults

    Background:

    • Aging adults often experience decreased independence, leading to increased referrals for mental health treatment.
    • Coordinating care for older adults involves unique psychosocial, psychotherapeutic, and psychopharmacological considerations.

    Purpose of the Study:

    • To identify appropriate treatments for older adults with mental health needs.
    • To address the challenges in coordinating care for this demographic.
    • To emphasize the importance of medication management in geriatric psychiatric care.

    Main Methods:

    • Review of current treatment approaches for older adults.
    • Discussion of challenges in geriatric mental health care coordination.

    Related Experiment Videos

    Last Updated: Feb 17, 2026

    Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
    06:58

    Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing

    Published on: January 24, 2020

    7.9K
  • Emphasis on medication review and cross-referencing for elderly patients.

    • Main Results:

    • Prescribing psychiatric advanced practice nurses must meticulously review patient medications at each appointment.
    • Challenges in treating older adults require a prudent, responsible, and cautious approach.

    Conclusions:

    • Optimizing functionality, safety, and quality of life for older adults is achievable through careful psychiatric care.
    • Proactive and meticulous management is key to overcoming treatment obstacles in geriatric mental health.