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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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Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

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Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
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Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
72
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

35
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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Updated: Oct 23, 2025

Author Spotlight: Assessing Surgical Frailty with Point-of-Care Ultrasound of Quadriceps Muscles
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Geriatric Preoperative Optimization: A Review.

Kahli E Zietlow1, Serena Wong2, Mitchell T Heflin3

  • 1Division of Geriatrics and Palliative Medicine, Department of Medicine, Michigan Medicine, Ann Arbor.

The American Journal of Medicine
|August 20, 2021
PubMed
Summary
This summary is machine-generated.

Older adults need comprehensive geriatric assessments before surgery, including frailty and cognitive screening, alongside medication review. This approach improves surgical outcomes and recovery for elderly patients.

Keywords:
DeliriumFrailtyOlder adultsOptimizationPerioperative

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Area of Science:

  • Geriatric Medicine
  • Perioperative Care
  • Surgical Outcomes

Background:

  • Best practices for perioperative care of older adults are recommended by leading medical societies.
  • Traditional screening often overlooks comprehensive geriatric needs.

Observation:

  • Older patients benefit from comprehensive geriatric assessments beyond standard cardiopulmonary screening.
  • Rapid screening tools (e.g., Mini-Cog, Clinical Frailty Scale) efficiently assess cognition, function, and frailty.
  • Online resources aid in identifying and tapering high-risk medications for polypharmacy.

Findings:

  • Preoperative assessment identifies needs for prehabilitation, rehabilitation, medication management, and delirium prevention.
  • Structured goals of care discussions enhance patient understanding of surgical risks and recovery.
  • Interdisciplinary team and family engagement are crucial for optimizing postoperative care.

Implications:

  • Implementing comprehensive geriatric assessments can significantly improve postoperative outcomes for older surgical patients.
  • Targeted interventions based on preoperative findings enhance recovery and reduce complications.
  • Proactive perioperative management ensures older adults receive tailored care for better surgical results.