The Effect of Antioxidants on the Immune Response and Wound Healing in Critically Ill Patients

A prospective randomized study to include 40 consecutive patients admitted to the general intensive care unit. The control group will receive nutritional support composed of a standard formula. The study group will receive nutritional support enriched with fish oil and anti-oxidants. The following variables will be assessed in all patients: demographics, severity of illness, assessment of bed sores. Blood tests will also be taken for the following: CD 8, CD 14, CD 18, CD 11a, CD49c, CD 49d. In addition, blood samples will be collected for TNF, IL-1b, IL-6, IL-8, and levels of C-reactive protein. Metabolic parameters such as resting energy expenditure, BMI, albumin, prealbumin, levels of zinc, relationship between omega 3 and omega 6. Theses test will be performed at time of ICU admission, days 7, 14 and 28 after admission. The outcome: improved repair of pressure sores, together with improvement in objective parameters of immunity and inflammation.