Intravenous Fat Emulsions in Clinical Practice

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Abstract
The use of intravenous fat emulsions has become an integral part of the provision of parenteral nutrition. In the past, this was achieved by the administration of lipids separately from the dextrose-amino acid base solution. More recently, lipids have been admixed along with the dextrose-amino acid formula as a total nutrient admixture (TNA). This article discusses the advantages and disadvantages of TNAs, the factors that affect the stability of emulsions, the potential for microbial growth in TNAs, and guidelines for the compounding of TNAs.