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  • Title: Total enteral nutrition versus total parenteral nutrition after major torso injury: attenuation of hepatic protein reprioritization.
    Author: Peterson VM, Moore EE, Jones TN, Rundus C, Emmett M, Moore FA, McCroskey BL, Haddix T, Parsons PE.
    Journal: Surgery; 1988 Aug; 104(2):199-207. PubMed ID: 2456626.
    Abstract:
    Reprioritization of hepatic protein synthesis, a process involving accelerated production of acute-phase proteins at the expense of constitutive proteins, accompanies major trauma. The impact of isocaloric, isonitrogenous total enteral nutrition (TEN) versus total parenteral nutrition (TPN) on hepatic reprioritization was investigated in a prospective, randomized trial. Of the 59 patients with an abdominal trauma index (ATI) greater than 15 but not more than 40, 45 evaluable patients were followed. Results from 36 (18 TEN, 18 TPN) evaluable patients revealed that mean serum levels of acute-phase proteins increased, whereas mean serum levels increased to a greater extent in the TPN group. The maximal increase from baseline for the acute-phase response in both groups occurred at postinjury day 5 and was significantly higher for alpha 1-antitrypsin (alpha 1AT, p = 0.03) and orosomucoid (p = 0.02) in the TPN group. Nonacute-phase proteins reached a nadir at day 10 in the TPN group and increased in the TEN group; significant differences between TEN and TPN groups appeared for albumin (p = 0.004) and retinol-binding protein (RBP, p = 0.03); alpha 2-macroglobulin (alpha 2M) approached significance at day 10 (p = 0.07). When change from baseline values was compared, day 10 increases in alpha 2M were significantly higher (p = 0.04) in the TEN group. These data suggest that postinjury TEN attenuates reprioritization of hepatic protein synthesis in patients sustaining major trauma.
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