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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

344
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...
344
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

312
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...
312
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

310
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...
310
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

326
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...
326
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

797
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...
797
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

314
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...
314

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Related Experiment Video

Updated: Mar 22, 2026

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
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[How useful is physical therapy in old age?].

Rainer Brenke

    Versicherungsmedizin
    |April 27, 2016
    PubMed
    Summary

    Physical therapy is a key component of naturopathy, particularly effective for treating age-related conditions. It offers a way to reduce medication reliance and minimize side effects in older adults.

    Area of Science:

    • Geriatrics
    • Naturopathic Medicine
    • Physical Therapy

    Context:

    • Aging populations experience accumulating health conditions.
    • Naturopathy emphasizes holistic and natural treatment modalities.
    • Physical therapy is a cornerstone of naturopathic care.

    Purpose:

    • To highlight the significance of physical therapy in naturopathy for elderly patients.
    • To explore the benefits of physical therapy in managing age-related ailments.
    • To advocate for the integration of physical therapy in geriatric care.

    Summary:

    • Physical therapy effectively addresses numerous conditions common in old age.
    • Utilizing physical therapy can reduce the need for concurrent drug treatments.
    • This approach minimizes the risk of adverse drug reactions and side effects.

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    Impact:

    • Physical therapy offers a non-restrictive, beneficial treatment option for the elderly.
    • It supports a reduction in polypharmacy and associated risks in geriatric care.
    • Enhanced quality of life and functional independence can be achieved through physical therapy.