Skip Navigation LinksHome > November 2013 - Volume 16 - Issue 6 > Update on antioxidant micronutrients in the critically ill
Current Opinion in Clinical Nutrition & Metabolic Care:
doi: 10.1097/MCO.0b013e32836599e5
MICRONUTRIENTS: Edited by Gil Hardy and Henry C. Lukaski

Update on antioxidant micronutrients in the critically ill

Manzanares, Williama; Langlois, Pascal L.b; Hardy, Gilc

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Purpose of review: To evaluate recent evidence on pharmaconutrition with antioxidant micronutrients, for different populations of adult critically ill patients.

Recent findings: Over the last few years, different studies have shown that high-dose trace elements and vitamins, especially parenteral selenium and zinc, may be able to improve relevant clinical outcomes in the most seriously ill patients. High-dose selenite monotherapy reduces mortality, particularly when a pharmacological loading dose is given in the early stage of severe sepsis and septic shock. Notwithstanding, the recently published REducing Deaths due to OXidative Stress study using an antioxidant cocktail and parenteral selenite, in addition to standard enteral nutrition, was unable to show any benefits for patients with multiple organ failure.

Summary: There is evidence supporting the concept of pharmaconutrition with high-dose micronutrients. Selenium therapy may be able to decrease infections and reduce mortality in sepsis, but more research is needed to better understand pharmacokinetics, optimal composition, timing, duration, and dose of antioxidant cocktails for the critically ill.

© 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins


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