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  • Title: Hyperammonemia in neonates receiving intravenous nutrition.
    Author: Thomas DW, Sinatra FR, Hack SL, Smith TM, Platzker AC, Merritt RJ.
    Journal: JPEN J Parenter Enteral Nutr; 1982; 6(6):503-6. PubMed ID: 6820075.
    Abstract:
    Inadequate arginine intake has been suggested as an etiology for hyperammonemia in neonates on parenteral nutrition. We randomized 26 nonasphyxiated neonates to receive amino acid solutions containing either 3.6 or 10.4% of total nitrogen as arginine when intravenous nutrition (IVN) therapy was initiated. Neonates in both amino acid solution study groups were observed to have significantly elevated blood ammonia (BA) concentrations during IVN (p less than 0.01) as compared to pre-IVN levels. Blood ammonia concentrations tended to be higher in infants receiving the 3.6% arginine amino acid solution. Septic infants were at particular risk for hyperammonemia as compared to nonseptic patients (p less than 0.025). Other clinical parameters including birth weight, gestational age, oxygen requirements, enteral nutritional intake, congenital anomalies, and heart disease did not appear to be related to BA concentration.
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