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  • Title: Glutamine effects on heat shock protein 70 and interleukines 6 and 10: Randomized trial of glutamine supplementation versus standard parenteral nutrition in critically ill children.
    Author: Jordan I, Balaguer M, Esteban ME, Cambra FJ, Felipe A, Hernández L, Alsina L, Molero M, Villaronga M, Esteban E.
    Journal: Clin Nutr; 2016 Feb; 35(1):34-40. PubMed ID: 25701159.
    Abstract:
    BACKGROUND & AIMS: To determine whether glutamine (Gln) supplementation would have a role modifying both the oxidative stress and the inflammatory response of critically ill children. METHODS: Prospective, randomized, double-blind, interventional clinical trial. Selection criteria were children requiring parenteral nutrition for at least 5 days diagnosed with severe sepsis or post major surgery. Patients were randomly assigned to standard parenteral nutrition (SPN, 49 subjects) or standard parenteral nutrition with glutamine supplementation (SPN + Gln, 49 subjects). RESULTS: Glutamine levels failed to show statistical differences between groups. At day 5, patients in the SPN + Gln group had significantly higher levels of HSP-70 (heat shock protein 70) as compared with the SPN group (68.6 vs 5.4, p = 0.014). In both groups, IL-6 (interleukine 6) levels showed a remarkable descent from baseline and day 2 (SPN: 42.24 vs 9.39, p < 0.001; SPN + Gln: 35.20 vs 13.80, p < 0.001) but only the treatment group showed a statistically significant decrease between day 2 and day 5 (13.80 vs 10.55, p = 0.013). Levels of IL-10 (interleukine 10) did not vary among visits except in the SPN between baseline and day 2 (9.55 vs 5.356, p < 0.001). At the end of the study, no significant differences between groups for PICU and hospital stay were observed. No adverse events were detected in any group. CONCLUSIONS: Glutamine supplementation in critically-ill children contributed to maintain high HSP-70 levels for longer. Glutamine supplementation had no influence on IL-10 and failed to show a significant reduction of IL-6 levels.
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