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Related Concept Videos

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 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 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...
Dosage Regimens: Designs and Approaches01:28

Dosage Regimens: Designs and Approaches

Designing a dosage regimen, which refers to the manner of drug administration, is a complex process involving the selection of drug dose, route, and frequency. This process is underpinned by pharmacokinetic parameters derived from tests and population averages. These parameters are then tailored to patient-specific variables such as diagnosis, demographics, and allergy status. Once therapy commences, therapeutic response monitoring is critical and achieved through clinical and physical...
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...
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...

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Related Experiment Videos

Evaluating medication regimens in the elderly.

Susan W Miller1

  • 1Mercer University College of Pharmacy and Health Sciences, Atlanta, GA 30341, USA. miller_sw@mercer.edu

The Consultant Pharmacist : the Journal of the American Society of Consultant Pharmacists
|September 4, 2008
PubMed
Summary
This summary is machine-generated.

Pharmacists play a crucial role in evaluating medication regimens for older adults. Understanding medication-related problems and risks is key to improving geriatric patient care and outcomes.

Related Experiment Videos

Area of Science:

  • Geriatric Pharmacology
  • Medication Management
  • Patient Safety

Background:

  • Medications are vital for preventing illness, disability, and death in the geriatric population.
  • Pharmacists have a key role in evaluating medication regimens across practice settings.

Purpose of the Study:

  • To highlight the importance of medication regimen evaluation in geriatric patients.
  • To outline essential components for effective medication assessment in older adults.

Main Methods:

  • Review of key components in medication regimen evaluation for geriatric patients.
  • Focus on understanding medication-related problems and associated risks.
  • Emphasis on assessment, appropriate prescribing, and adherence practices.

Main Results:

  • Effective medication evaluation requires understanding geriatric-specific medication-related problems.
  • Identifying risks for adverse events is critical for safe medication use.
  • Appropriate prescribing and patient adherence are essential outcomes.

Conclusions:

  • Pharmacist-led medication regimen evaluation is a valuable function for geriatric care.
  • A comprehensive approach including assessment, prescribing, and adherence is necessary.
  • Optimizing medication use improves health outcomes and prevents adverse events in older adults.