Age-related conditions such as weight and muscle loss, declining endurance, diminishing balance, waning mobility, decreasing levels of activity, and slower somatic performance are common in the elderly. A combination of these symptoms may also mark the emergence of Frailty Syndrome. In recent years researchers and clinicians in geriatric medicine have striven to isolate the components of this syndrome independent of the natural consequences of aging.
Frailty Syndrome refers to the irreversible deterioration of a number of physiological systems that - when occurring simultaneously - increase vulnerability to abrupt negative changes in health status following seemingly mild physical or emotional trauma. Now considered a clinical syndrome that can be diagnosed through common lab tests and a doctor's office visit, frailty syndrome is increasingly being recognized by doctors and other caregivers.
The prevalence of Frailty Syndrome is twice as high for women as for men. It becomes increasingly common in both sexes after the age of 65. The syndrome forms and progresses in a downward spiral during which the body’s ability to withstand and recover from illness or accidents dramatically declines. At the same time, due to aging, the body’s systems must spend increasing physiological reserves in order to function and recover from illness or accidents normally.
Often the frailty cycle begins with long-term poor nutrition. People don't get enough protein, carbohydrates, vitamins, and minerals. Poor nutrition leads to low energy levels and unintentional weight loss, along with deficiencies in the micronutrients necessary for combating illness. A lack of energy leads to decreasing activity and avoidance of exercise. Without consistent exercise muscle mass and strength deteriorate, along with cardiovascular functions. As a result, walking speed decreases, hand strength weakens, balance becomes compromised, and the ability to perform the everyday tasks of independent living fades.
These conditions encourage further reductions in activity level and consequently reduced energy expenditure. Appetite descreases even more and nutrition continues to be inadequate. As this downward spiral progresses the occurrence of a minor bacterial infection, emotional stress, or even changes in medication can lead to unpredictable complications.
Frailty syndrome is also called musculoskeletal frailty. Frailty affects both musculoskeletal and nonmusculoskeletal systems. The word sarcopenia refers to age-related muscle loss. It is the muscle analog of osteopenia, which is thinning of the bone. The focus of frailty syndrome for doctors is often sarcopenia.
Complications associated with middle-stage Frailty Syndrome include frequent falls due to compromised balance. Serious joint and other types of fractures are often the result especially in people with osteoporosis. These injuries often take a long time to heal and rehabilitation is sometimes incomplete, leading to a cycle of frailty, permanent disability, and even mortality. Emotional or psychological stressors within the cycle of frailty can contribute to the decline of cognitive function as well as the onset of dementia. Insulin resistance is an additional physiological complication that can develop.
You also sometimes hear of the "anorexia of aging" which is not the same as frailty syndrome although it has some similarities. Anorexia of aging involves the person eating substantially less and losing weight.
Some scientists have started using the "Fried frailty criteria" to establish whether a person has frailty syndrome. Factor considered include weight loss, handgrip strength, gait speed, level of physical activity, and tendency to exhaustion. So far this criteria has been used mostly by epidemiologists and not so much by doctors who treat patients. There is no widely used accepted diagnostic criteria for frailty.
Frailty syndrome negatively affects quality of life. People with it are more likely to be depressed and have poorer perceptions of their own health than non-frail people.
The medical community has no consensus treatment regimen for frailty syndrome and doesn't even agree that it should be treated. Drugs under development include ones to stimulate hunger (so-called ghrelin agonists) and SARMs.
measures commonly recommended include: (a) maintaining adequate nutrition (especially Vitamin D and protein),
(b) age-appropriate exercise,
(c) administration of flu vaccines, and (d) monitoring daily living skill levels
and equilibrium. Consistent structured exercise is the only
prevention method proven to slow the progression
of the syndrome.
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