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URL: https://dx.doi.org/10.17504/protocols.io.bknmkvc6

Authors: Meta Herdiana Hanindita

Summary: Surgical intervention in infants is associated with postoperative sepsis and severe outcomes due to immature immune system1. Gastrointestinal surgery induces excessive cytokine secretion, which may lead to increased postoperative mortality and morbidity2. Parenteral nutrition plays a crucial role in pediatric patients who undergo gastrointestinal surgery3. Intravenous lipid emulsion is an integral part of parenteral nutrition because it contains high energy density and low osmolarity, hence becoming the main source of energy and essential fatty acids4,5. Fatty acid determines structural integrity and fluidity of cell membrane, and it has been proven that fatty acid helps to regulate expression of various genes and modulate cell-signaling pathway, which occurs during inflammation6,7. The current standard type of IVFE is a 50:50 mixture of medium chain triglyceride (MCT) and long chain triglyceride (LCT)8. This type of emulsion is rich in ω-6 and contains high levels of linoleic acid (LA, C18:2 ω -6) and alpha-linolenic acid (ALA, C18:3 ω-3). According to several studies, ω-6 is associated with impaired cell-mediated immunity and higher potential risk of elevated proinflammatory markers and severe inflammatory response. This mechanisms may lead to the increase in mortality, morbidity, duration of treatment, and recovery time in patients who undergo gastrointestinal surgery9-11.Calder (2010) showed that the structure modification of fatty acids may alter their functions7. Some studies have shown that the addition of ω-3 in soy oil-based fat emulsion may improve patients’ outcome by modulating inflammatory response3,4,12. ω-3, particularly eicosapentaenoic acid (EPA) and doxohexanoic acid (DHA), is a competitive enzyme inhibitor of arachidonic acid (AA). ω-3 has potential anti-inflammatory properties by inhibiting AA pathway and generating inflammatory eicosanoids, such as prostaglandine E3, thromboxane A3 and leukotriene B5, which are considered less inflammatory. Up to this time, the effect of ω-3-enriched intravenous fat emulsion compared to standard intravenous fat emulsion on the IL-1b ,IL-8 levels and plasma fatty acid composition in infants who undergo gastrointestinal surgery has yet to be elucidated. The purpose of this study is aimed to investigate the effect of ω-3-enriched intravenous fat emulsion compared to standard intravenous fat emulsion on the IL-1b ,IL-8 levels and plasma fatty acid composition in infants who undergo gastrointestinal surgeryTrial Design:Type: Parallel randomized controlled trialAllocation ratio:1:1Framework: SuperiorityAim of the study:The purpose of this study is to investigate the effect of ω-3-enriched intravenous fat emulsion compared to standard MCT/LCT intravenous fat emulsion on the IL-1b ,IL-8 levels and plasma fatty acid composition in infants who undergo gastrointestinal surgery.Research QuestionWill the Intravenous omega-3 enriched-fat emulsion make difference in IL-1β, IL-8 and fatty acid composition when compared to standard intravenous MCT/LCT fat emulsion?PICO approach:P: Patients underwent gastrointestinal surgery. I: ω-3-enriched intravenous fat emulsionC: MCT/LCT standard intravenous fat emulsionO: ABCD1OutcomeTool for MeasurementUnit of Measurement2PrimaryInflammatory Response: IL-1b, IL-8Bloodpg/ml3Fatty Acid CompositionBlood% Total Fatty Acid4SecondaryLaboratory parameters: HemoglobinBloodg/dL5Laboratory parameters: LeukocyteBlood/microL6Laboratory parameters: AlbuminBloodg/L7Laboratory parameters: CRPBloodmg/L

Affiliations: Universitas Airlangga

Version: 1

Publication Date: 2020

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