期刊
GERONTOLOGY
卷 60, 期 4, 页码 294-305出版社
KARGER
DOI: 10.1159/000356760
关键词
Cachexia; Anorexia; Aging; Sarcopenia; Inflammation; Ghrelin; Testosterone
资金
- Department of Veterans Affairs (MERIT grants) [I01-BX000507, I01-CX000174]
- National Institute on Aging [T32AG000183, AG040583]
By the year 2050, individuals over the age of 65 years will comprise 20% of the US population. Loss of muscle mass and strength is common in this age group and it is associated with increased dependence, frailty and mortality. Sarcopenia, defined as the loss of muscle mass and function associated with aging, and cachexia, defined as weight loss due to an underlying illness, are muscle wasting disorders of particular relevance in the aging population, but they go largely unrecognized. In this review we highlight the common pathophysiological mechanisms underlying muscle loss in sarcopenia and cachexia, the factors unique to each condition and means of diagnosing and differentiating them clinically. Therapeutic options including exercise, nutritional therapy, androgens and growth hormone as well as their practical limitations are discussed. We also shed light on newer agents being developed as potential therapeutic options for wasting diseases. (C) 2014 S. Karger AG, Basel
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