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Parenteral Nutrition (Paperback, Softcover reprint of the original 1st ed. 1976)
Loot Price: R2,774
Discovery Miles 27 740
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Parenteral Nutrition (Paperback, Softcover reprint of the original 1st ed. 1976)
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Nearly all medical specialities treat patients whose illnesses
necessitate a means of nutrition which bypasses the
gastrointestinal tract. Parenteral nutrition consequent ly means
the administration of nutrient and building materials in
qualitatively utilizable form and in quantitatively adequate amount
by the intravenous route. This guarantees the requirements for
energy and building materials under a variety of conditions, and
compensates for any losses that might occur. The basis for any
parenteral nutrition is the knowledge of the biochemical processes
of intermediary metabolism under physiological and
pathophysiological conditions (e. g. , starvation, post-stress
metabolism, hypoxia, microcirculatory disturbances, etc. ). Only
taken in these contexts can nutrient and bodybuilding sub stances
be combined, measured out, and administered in such a way as to be
definitively useful to the body. Research into the biochemistry and
the patho biochemistry of intermediary metabolism has demonstrated
possibilities, by means of which we may be able to "outwit" (to
some extent) disturbances in utilization of certain nutrients under
defined pathologic conditions. If the body receives and transforms
substrate-precursors (e. g. , sorbitol), it can maintain an
adequate level of nutrient and life-support substances; this slow
rate of transformation to the substrate makes allowance for the
limited utilization capacity, and covers the needs of the body by
roundabout means. Some of the problems can now be considered
solved, but a great many are still in the very early stages of
elucidation, or await basic research.
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