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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...
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...
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 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...
Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
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...

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Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Hypopituitarism in the elderly.

Marianna Antonopoulou1, Rajeev Sharma, Amal Farag

  • 1Division of Endocrinology, SUNY Downstate Medical Center, Brooklyn, NY, USA.

Maturitas
|June 26, 2012
PubMed
Summary
This summary is machine-generated.

Diagnosing and treating pituitary dysfunction in older adults is challenging due to nonspecific symptoms and risks of standard testing. Careful hormonal replacement is crucial for well-being.

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Area of Science:

  • Geriatric Medicine
  • Endocrinology
  • Clinical Diagnostics

Background:

  • Pituitary dysfunction in the elderly presents diagnostic and therapeutic challenges.
  • Symptoms like fatigue and decreased libido are nonspecific and often mistaken for normal aging.
  • Standard diagnostic tests carry higher risks in older adults, necessitating alternative methods.

Purpose of the Study:

  • To highlight the diagnostic and therapeutic challenges of pituitary dysfunction in the elderly.
  • To discuss the controversies surrounding hormonal replacement therapy in this population.
  • To emphasize the importance of recognizing and treating hypopituitarism in older patients.

Main Methods:

  • Review of current diagnostic and therapeutic approaches for pituitary dysfunction in the elderly.
  • Discussion of alternative testing methods for pituitary function.
  • Analysis of the safety and efficacy of selective pituitary hormonal replacement.

Main Results:

  • Nonspecific symptoms of hypopituitarism can be misattributed to aging.
  • Alternative diagnostic testing is often employed due to risks associated with standard tests.
  • The benefits and safety of specific hormonal replacements (e.g., growth hormone, sex hormones) are debated.

Conclusions:

  • Accurate diagnosis and management of pituitary dysfunction in the elderly are critical.
  • Hormonal replacement strategies require careful consideration of risks and benefits in older adults.
  • Timely intervention improves survival and well-being for elderly patients with hypopituitarism.