[ExI] [GRG] NewAbs: Frailty Is a Biomarker for Death
M2darwin at aol.com
M2darwin at aol.com
Thu Jun 20 04:38:44 UTC 2013
In a message dated 6/18/2013 11:05:36 P.M. Pacific Daylight Time,
scoles at grg.org writes:
Everyone older than 70 should be checked for frailty, a condition that is
both easily treated and potentially deadly, according to an article by
representatives from six major international and U.S. medical organizations
(see also Gerontology).
They've got to be kidding when they write that, "frailty...is both easily
treated and potentially deadly"! Really?!
Frailty is a clinical sign of impending end stage multi-system failure. As
such, it is virtually impossible to treat, let alone to easily treat.
As the authors note, the typical elderly frail person presents with at
least the following pathologies in an advanced state and flagrantly evident:
* sarcopenia: as evidenced by dramatically reduced muscle mass, weakness
and difficulty moving loads - most cannot push a chair across a room!
* grave compromise of the CNS: as evidenced by difficulty maintaining
balance, altered gait (the old man or old woman shuffle), apathy, lack of
motivation/interest (with or without clinically evident depression), and loss of
fluid movements in bending, reaching for objects or rising from a sitting
or recumbent position. These signs almost invariably signal some degree of
cognitive comprise, the extent of which can be difficult to determine
absent spending some meaningful amount of time interviewing the patient and
asking the right questions. There is almost invariably marked cerebral atrophy
and/or the presence of disseminated cerebrovascular disease,
* inappetance and malnutrition which often signal loss of olfactory
receptors and their associated sensory neurons,
* major loss of bone mass due to both organic osteoporosis and additional
loss of bone mass from decreased mobility and load bearing.
The classically frail elderly individual is a person drained of organic
reserves in virtually every major organ system. They are not just "unfit" or
"malnourished" - indeed, if you use any reasonably rigorous objective
laboratory measurements, there will be ample evidence of low or negligible
cardiovascular, musculoskeletal, cerebral, renal and immune reserves. Thus,
frailty might be fairly described as the "penultimate one hoss shay of human
aging," with super centenartians being the ultimate one hoss shay.
While I understand why gerontologists are interested in super centenarians
and the longevity genes and lifestyle(s) which permit them to reach such
an advanced age, the bottom line is that the end product is uniformly
nightmarish and only preferable when compared to death itself:
These individuals represent the near perfect definition of "frailty absent
discrete disease." The only difference between these poor souls and the
more common (and much younger) frail elderly individual is that the typical
frail old person is usually afflicted with multiple, discrete pathologies.
While the frailty of super centenarians does indeed translate into more
"well and productive years," it is critically important to understand that the
end product is nothing more or less than distilled senescence - i.e.,
biological aging divorced from any particular, diagnosable disease. As such,
these individuals represent not some extraordinary key to avoiding aging, but
rather, the pathway to dying of just aging - and nothing else. This may be
justifiably called "longevity." But what it is not, and should not be
mistaken for, is extended youth. These people lost their youth many decades
before they lost their lives; and that is a great tragedy which, it seems, is
largely unappreciated by gerontologists the world over.
Mike Darwin
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