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Pharmacodynamics in Geriatric Patients: Effects of Age01:27

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...
Drug Dosing: Geriatric Patients01:15

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

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 Metabolism01:18

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

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 Absorption01:22

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...

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[40th anniversary of the German Society of Geriatrics (DGG)-In demand, matured, strengthened : History of the DGG concerning scientific and professional political aspects].

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Updated: May 31, 2026

Therapeutic Massage for Psychological Well-being in Geriatric Oncology
03:59

Therapeutic Massage for Psychological Well-being in Geriatric Oncology

Published on: May 22, 2026

[Geriatrics for internists in primary care].

W Swoboda1, T Hermens

  • 1Institut für Biomedizin des Alterns, Friedrich-Alexander Universität Erlangen-Nürnberg und Klinikum Nürnberg, Prof.-Ernst-Nathan-Straße 1, 90419 Nürnberg. swoboda@klinikum-nuernberg.de

Der Internist
|July 14, 2011
PubMed
Summary
This summary is machine-generated.

Internal medicine specialists are crucial for treating elderly patients with complex needs. Developing specialized geriatric qualifications and incentive programs will improve elder care in primary settings.

Related Experiment Videos

Last Updated: May 31, 2026

Therapeutic Massage for Psychological Well-being in Geriatric Oncology
03:59

Therapeutic Massage for Psychological Well-being in Geriatric Oncology

Published on: May 22, 2026

Area of Science:

  • Geriatrics
  • Internal Medicine
  • Primary Care

Context:

  • The increasing elderly population presents complex healthcare challenges.
  • Internal medicine specialists in primary care play a vital role in geriatric patient management.
  • Existing models include specialized geriatric practices and rehabilitation services.

Purpose:

  • To outline the essential role of internists in primary care for geriatric patients.
  • To highlight the need for specific geriatric qualifications for internists.
  • To advocate for incentive systems to enhance elderly patient treatment.

Summary:

  • Internal medicine specialists are central to future geriatric care, particularly for patients with complex needs.
  • Specialized geriatric care models are available, but require appropriate physician qualifications.
  • Implementing incentive payment systems is necessary to support and improve geriatric care provided by internists.

Impact:

  • Enhancing geriatric training for internists will improve the quality of care for elderly patients.
  • Financial incentives can encourage internists to focus on geriatric medicine.
  • This approach aims to optimize healthcare delivery for a growing elderly demographic.