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Related Concept Videos

Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

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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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Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

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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...
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Factors Affecting Illness01:18

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When a person's physical, emotional, intellectual, social development or spiritual functioning is compromised, this deviation from a healthy normal state is called illness. Illness creates stress that in turn harms individuals. Irritation, anger, denial, hopelessness, and fear are behavioral and emotional changes an individual experiences in the phases of illness. A variety of factors influence a person's health and well-being.
For instance, risk factors are connected to illness,...
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Drug Toxicity: Risk factors01:24

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Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

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

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

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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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A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging
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[Is Age a Comorbidity?]

Ute Hoffmann, Cornel C Sieber

    Deutsche Medizinische Wochenschrift (1946)
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    This summary is machine-generated.

    Aging is a natural process, distinct from pathological aging. While older adults may experience frailty due to reduced resilience, aging itself is not a disease.

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    Area of Science:

    • Gerontology
    • Pathology
    • Resilience Studies

    Background:

    • Aging is a natural biological process.
    • The
    • Normal aging processes are distinct from pathological aging and disease development.

    Purpose of the Study:

    • To differentiate between normal aging and pathological aging.
    • To clarify the relationship between aging, frailty, and comorbidity.

    Main Methods:

    • Conceptual analysis of aging processes.
    • Distinguishing normal aging from disease-related changes.

    Main Results:

    • Aging is a normal process, not inherently pathological.
    • Frailty syndrome in older adults is linked to diminished resilience.
    • Aging itself is not classified as a comorbidity.

    Conclusions:

    • Normal aging and pathological aging represent separate trajectories.
    • Frailty is a condition associated with aging, influenced by resilience.
    • Aging should not be equated with comorbidity.