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  • Title: Polyunsaturated fatty acid deficiency in liver cirrhosis: its relation to associated protein-energy malnutrition (preliminary report).
    Author: Cabré E, Periago JL, Abad-Lacruz A, Gil A, González-Huix F, Sánchez de Medina F, Gassull MA.
    Journal: Am J Gastroenterol; 1988 Jul; 83(7):712-7. PubMed ID: 3132851.
    Abstract:
    Plasma fatty acids (FA) from C14:0 to C22:6 omega 3 were measured in five healthy subjects and in 27 patients with liver cirrhosis. According to the assessment of triceps skinfold, mid-arm muscle circumference, and serum albumin concentration, patients were prospectively included in three groups: group A (n = 7) with acceptable nutritional status (including good nutrition and mild malnutrition), group B (n = 10) with moderate malnutrition, and group C (n = 10) with severe malnutrition. Plasma levels of total FA, saturated FA, linoleic acid, and omega 6 greater than 18C and omega 3 greater than 18 polyunsaturated fatty acids (PUFA) were lower in cirrhotics than in controls. Linoleic:arachidonic ratio was increased and delta 5-desaturation precursors:products ratio did not change, suggesting a reduction in delta 6-desaturase and/or C18-C20 elongase activities. In addition, a stepwise fall in plasma levels of all but saturated FA was found as the nutritional status worsened, suggesting that, in cirrhosis, impairment in PUFA biosynthesis is related to the severity of associated malnutrition. Since PUFA have important biological functions as components of cell membranes and precursors of eicosanoids, the results reported here may open new perspectives in the understanding of the cirrhosis-malnutrition relationship.
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