Related Experiment Video
Updated: Feb 18, 2026
04:00
Author Spotlight: Assessing Surgical Frailty with Point-of-Care Ultrasound of Quadriceps Muscles
Published on: July 26, 2024
1.4K
Frailty in nonagenarians: A bridge too far?
Mohammad Morad1, William A Gray1
1Lankenau Heart Institute.
Summary
Frailty assessment in elderly patients undergoing TAVR is crucial, as frail individuals experience poorer outcomes. Standardized frailty measurement is needed to guide patient selection for TAVR procedures.
Area of Science:
- Gerontology
- Cardiology
- Clinical Medicine
Background:
- Frailty assessment lacks a standardized definition and measurement tools in geriatric care.
- Growing evidence suggests frail elderly patients have worse outcomes following Transcatheter Aortic Valve Replacement (TAVR).
Discussion:
- The current lack of consensus on frailty definition and measurement hinders its clinical application.
- Frail patients undergoing TAVR may face increased risks and poorer recovery compared to non-frail counterparts.
Key Insights:
- Frail status is associated with adverse outcomes in TAVR patients.
- Accurate frailty assessment is critical for optimizing TAVR patient selection.
Outlook:
- Further randomized controlled trials are necessary to validate the impact of frailty on TAVR outcomes.
- Standardization of frailty assessment tools is essential for clinical decision-making in TAVR procedures.
Related Concept Videos
01:19The Effect of Aging on Tissues
3.8K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
3.8K
01:15Drug Dosing: Geriatric Patients
289
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...
289
01:27Pharmacodynamics in Geriatric Patients: Effects of Age
244
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...
244
01:18Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism
235
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...
235
01:18Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion
265
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...
265
01:29Bone Disorders
5.6K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
5.6K