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...Nutritional support includes the use of artificial feeding methods such as tube enteral total parenteral nutrition tpn and administration intravenous fluids means provision patient s dietary requirements critically ill patients are often unable to eat because certain conditions endotracheal intubation need for mechanical ventilation altered level consciousness a result severe trauma major surgery or acute medical condition lack nutrients may alter structure function gut increase risk entry spread intestinal bacteria early has been advocated promote immune system recovery prevent much tissue breakdown avoid deficit possible improves outcomes enhances from illness is way providing via git otherwise meet by oral route several advantages over en shown be easier safer cheaper than pn ef maintains functional integrity gastrointestinal tract intraluminal delivery preventing atrophic changes preserves normal sequence hepatic metabolism fat lipoprotein synthesis prevents cholestasis stimulating...