Thursday, September 8, 2011

From NCI: Frailty in the elderly

http://www.ncbi.nlm.nih.gov/pubmed/21896470

Consult Pharm. 2011 Sep;26(9):634-45.
Understanding frailty in the geriatric population.
Wick JY.
Source
National Cancer Institute, National Institutes of Health, Bethesda, Maryland.

Abstract
Clinicians who work with the frail elderly know what frailty looks like, but until recently, they have had no science-based definition of this condition. Frailty is classified as a medical syndrome, and Fried et al. were among the first to standardize the definition of frailty as a distinct syndrome with biologic underpinnings. Their definition describes a clinical phenotype of decreased reserve and resistance to stressors, with clinical manifestations of a mutually exacerbating cycle of negative energy balance, sarcopenia, diminished strength, and exertion intolerance. Age is no longer considered a defining characteristic, although frailty is still considered primarily a geriatric problem. Approximately two-thirds of affected individuals enter frailty in a slow, progressive way, while one-third become frail cataclysmically. Weakness is a common early sign, and exhaustion and weight loss are often late manifestations. Observing early behavioral changes before frailty develops could provide insight into its development and suggest early interventions. Since frailty is clearly associated with adverse outcomes, a healthy, active lifestyle is the cornerstone of prevention, and many researchers suggest that resistance training can reverse some muscle loss and improve functioning. When the health care team proposes any change in care, including a new medication, it should be prepared to describe how the intervention may affect cognition, memory, energy, or function.

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