Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Drug Dosing: Geriatric Patients

Drug Dosing: Geriatric Patients

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...

Pharmacodynamics in Geriatric Patients: Effects of Age

Pharmacodynamics in Geriatric Patients: Effects of Age

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...

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

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...

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

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...

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

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 not...

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Scirrhous Tumor of the Lip.

Atlanta medical and surgical journal·2022

Same author

Epilepsy, with a Peculiar Kind of Parasitic Animals in the Alimentary Canal: Reported to the Editor.

Atlanta medical and surgical journal·2022

Same author

Tunable dipolar magnetism in high-spin molecular clusters.

Physical review letters·2006

Same author

Zinc and dry matter content of tissues and feces of zinc-deficient and normal ruminants fed ethylenediaminetetraacetate and cadmium.

Journal of dairy science·1968

Same author

Effects of dietary EDTA and cadmium on absorption, excretion and retention of orally administered 65Zn in various tissues of zinc-deficient and normal goats and calves.

The Journal of nutrition·1967

Same author

Absorption, excretion, and retention of orally administered zinc-65 in various tissues of zinc-deficient and normal goats and calves.

The Journal of nutrition·1967

Search research articles

Related Experiment Video

Updated: Jun 4, 2026

Therapeutic Massage for Psychological Well-being in Geriatric Oncology

Therapeutic Massage for Psychological Well-being in Geriatric Oncology

Published on: May 22, 2026

Depression in the geriatric patient.

B R McNab, G W Powell

Canadian Family Physician Medecin De Famille Canadien

|February 9, 2011

Summary

This summary is machine-generated.

This article provides physicians with an overview of geriatric depression, offering parameters to better understand and manage depressive illness in elderly patients.

More Related Videos

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit

Published on: September 30, 2020

Related Experiment Videos

Last Updated: Jun 4, 2026

Therapeutic Massage for Psychological Well-being in Geriatric Oncology

Therapeutic Massage for Psychological Well-being in Geriatric Oncology

Published on: May 22, 2026

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit

Published on: September 30, 2020

Area of Science:

Geriatric Medicine
Psychiatry
Mental Health

Background:

Depression is a significant concern in the elderly population.
Effective recognition and management are crucial for geriatric patient well-being.

Purpose of the Study:

To provide physicians with a general overview of depression in the elderly.
To outline parameters for understanding and identifying depressive illness in geriatric patients.

Main Methods:

Literature review on geriatric depression.
Synthesis of key diagnostic and management considerations.

Main Results:

Identification of common presentations of depression in older adults.
Discussion of factors influencing depressive illness in the elderly.

Conclusions:

Enhanced physician understanding can improve care for depressed geriatric patients.
Effective recognition and intervention are vital for improving outcomes in elderly mental health.