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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

280
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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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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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

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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...
268
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 Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

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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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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Kinematics and Ground Reaction Force Determination: A Demonstration Quantifying Locomotor Abilities of Young Adult, Middle-aged, and Geriatric Rats
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[Geriatric medicine].

Gabriel Gold1, Christophe Büla2, Pierre Olivier Lang2

  • 1Service de gériatrie, Département de médecine interne, de réhabilitation et de gériatrie, HUG, 1211 Genève 14.

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Summary
This summary is machine-generated.

Prevention strategies show mixed results in 2017. While some interventions reduce disease incidence and complications, others, like high-dose vitamin D and antithrombotic therapy, carry significant risks.

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Area of Science:

  • Geriatrics
  • Preventive Medicine
  • Clinical Research

Background:

  • 2017 research highlights the dual nature of preventive health strategies.
  • Effective interventions exist for cardiovascular risk, infections, and surgical outcomes.
  • However, potential adverse effects require careful consideration.

Purpose of the Study:

  • To summarize key findings from 2017 regarding the benefits and risks of various preventive measures.
  • To evaluate the impact of interventions on dementia, infections, delirium, and surgical complications.
  • To assess the safety and efficacy of high-dose vitamin D and antithrombotic therapies.

Main Methods:

  • Review of studies published in 2017 focusing on preventive interventions.
  • Analysis of outcomes including incidence rates, complication rates, and patient-reported burden.
  • Examination of both pharmacological and non-pharmacological approaches.

Main Results:

  • Improved cardiovascular risk control correlates with reduced dementia incidence.
  • High-dose vitamin D supplementation decreased respiratory infections but increased falls.
  • Pre-operative geriatric assessment reduced delirium and complications post-hip fracture and vascular surgery.
  • Antithrombotic therapy poses a significant risk of subdural bleeding, escalating with polypharmacy.
  • Non-pharmacological dementia management, though effective, did not lessen caregiver burden.

Conclusions:

  • Preventive medicine offers significant benefits but requires nuanced application.
  • Risk-benefit assessments are crucial for interventions like vitamin D and antithrombotics.
  • Geriatric assessments enhance surgical patient safety.
  • Further research is needed to mitigate risks and caregiver burden in dementia care.