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fatty Acids and Associated Cardiovascular Risk

Food and Nutrition Sciences 2013年第9期4卷 188-194页

作者： Caroline Le Goff Jean-Francois Kaux Ludovic leroy Joel Pincemail Jean-Paul Chapelle Etienne Cavalier Department of Clinical Chemistry University and University Hospital of LiegeLiegeBelgium Department of Clinical Sciences University and University Hospital of LiegeLiegeBelgium CREDEC Department of Cardiovascular SurgeryUniversity Hospital of LiegeLiegeBelgium

Introduction: A fatty acid (fa) is a carboxylic acid with a long aliphatic chain, which is either saturated or unsaturated. Recently, the role of fa and particularly omega-3 and -6 has emerged as cardiovascular risk factor in the literature. The aim of our study was to establish reference values for these fa and to compare them with data obtained in a population of acute myocardial infarction (AMI) patients. Materials and methods: Hundred thirty five healthy subjects (59.38 ± 27.12 yo, 75 men) were selected as reference population. We also evaluated fa in thirty three patients (55 ± 9 yo, 23 men) admitted in the Emergency Department of our Institution for AMI. The fasting whole blood was drawn in vacutainer containing EDTA. Before analysis, samples were washed and transmethylated. We performed the quantification of different fa by gas chromatography associated with flame ionization detector (GCFID). Results: We obtained results in control healthy patients to be used as reference values. In the AMI group, levels of omega-6 were significantly higher (p 0.05) for C18:2n6 and C18:3n6 than the reference population and omega-3 values were significantly lower (p 0.01) compared to reference value for C22:6n3. The omega-3 index was lower and the ratio omega-6/omega-3 was higher in AMI group compared to reference values. Conclusions: We have established reference value for fa and have compared these values with the results obtained in AMI population. fa determination is a new tool we are able to use and to process in our laboratory which can help the clinician to screen patients with the highest cardiovascular risks because of the implication of fa in the etiopathogeny of atherosclerosis.

关键词： fatty Acids Acute Myocardial Infarction Gas Chromatography

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