Health Questions and Answers

Archive for the 'Nutrition and the Immune System' Category

Question: What are the effects of enteral feedings on the immune system?

Saturday, November 24th, 2007

Answer: Enteral feeding is the body’s preferred route of nutrition. Compared to TPN, enterally fed patients have a lower number of septic complications, including bacteremia, abdominal abscess, and pneumonia. It is speculated that the beneficial effects are from prevention of mucosal atrophy and decreased bacterial translocation. But there is little proof in humans. It has […]

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Question: What effect does nutrition have upon prostaglandin synthesis?

Friday, November 23rd, 2007

Answer: Several studies have shown that long-chain triglycerides and PUFAs in total parenteral nutrition (TPN) increase TNF-alpha, which can stimulate the fever and hypotension of septic shock. TNF production has also been shown to increase with the duration of TPN. PUFA turnover depends on the activity of phospholipases, whose activities are enhanced in trauma and […]

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