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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

269
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...
269
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

234
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...
234
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

258
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...
258
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

215
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...
215
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

252
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...
252
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

701
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...
701

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Related Experiment Video

Updated: Jan 30, 2026

Kinematics and Ground Reaction Force Determination: A Demonstration Quantifying Locomotor Abilities of Young Adult, Middle-aged, and Geriatric Rats
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Geriatrics Screening and Assessment.

Mandi Sehgal1, Elizabeth Hidlebaugh1, Matthew G Checketts1

  • 1Department of Integrated Medical Science, Florida Atlantic University, Charles E. Schmidt College of Medicine, 777 Glades Road, BC 71, Boca Raton, FL 33431, USA.

Primary Care
|February 2, 2019
PubMed
Summary
This summary is machine-generated.

Geriatric screening and assessment provides a structured approach to older adult care. This method enhances health, function, safety, and quality of life for elderly patients.

Keywords:
AssessmentGeriatricScreening

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Area of Science:

  • Gerontology
  • Internal Medicine
  • Primary Care

Background:

  • Older adults have complex health needs requiring specialized care approaches.
  • Traditional medical assessments may not fully capture the multidimensional aspects of aging.
  • Efficient and patient-centered care is crucial for improving outcomes in the geriatric population.

Purpose of the Study:

  • To outline a framework for geriatric screening and assessment.
  • To emphasize the role of standardized tools in geriatric care.
  • To highlight the importance of this approach in optimizing health and quality of life for older patients.

Main Methods:

  • Implementation of standard screening questions for older adults.
  • Utilizing geriatric assessment tools triggered by screening.
  • Integration of screening and assessment into routine clinical practice.

Main Results:

  • Facilitates efficient and patient-centered care for older individuals.
  • Complements standard medical history and physical examinations.
  • Identifies needs for further interventions and specialized geriatric tools.

Conclusions:

  • Geriatric screening and assessment is critical for older patients.
  • This systematic approach maximizes health, function, safety, and quality of life.
  • It enables a comprehensive understanding and management of geriatric complexities.