• Oudemans-van StraatenHeleen MHM and Arthur R H van Zanten.
• Crit Care. 2014 May 19; 18 (3): 143.

AbstractIn the previous issue of Critical Care, Mori and colleagues demonstrate that glutamine supplementation in mechanically ventilated patients as part of parenteral nutrition increases plasma glutamine concentration and glutamine utilization, but does not mitigate protein degradation and even increases de novo glutamine production. Studies suggest that protein degradation is regulated by the degree of inflammation. Immune cells utilize large amounts of glutamine and derive their glutamine requirements from muscle protein degradation. We hypothesize that the effects of glutamine supplementation depend on the degree of inflammation. Infusing large amounts of exogenous glutamine into patients with inflammatory conditions like sepsis and multiple organ failure may not only enhance immune competence, but may potentially augment the inflammatory response and thereby negatively influence outcome.

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