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  • Title: [Radioimmunologic analysis of insulin (IRI) in glucose metabolism in uremic patients].
    Author: Martino F, Baviera G, Bonanno N, Purello D'Ambrosio F.
    Journal: Riv Eur Sci Med Farmacol; 1989 Aug; 11(4):329-39. PubMed ID: 2701029.
    Abstract:
    Glucose intolerance in uremic patients is often reported in literature. This condition is characterized by an unbalance between production and utilization of glucose as for a trouble of the mechanism of gluco-metabolic regulation. Insulin radioimmunoassay (IRI) is measured to know the amount of hormone incretion and to verify its efficacy in the glucose utilization. The glucagon load and the double glucagon load are tests employed to study IRI response and glucose metabolism in uremia. With the double administration of glucagon is possible to assess the degree of glycogenolysis, but also the neo-glycogenesis stimulated by the first glucagon injection. This aspect is important because it reflects the sensitivity for the agent of counter-regulation hormonal (especially glucagon). The test performed by double glucagon load produces in uremic subjects IRI curves characterized by two peaks and unbalance amount between the 1st and the 2nd area correspondent to glucagon loads. Both the phases are higher than phases of normal subjects and the ratio 2nd/1st is 1.5. The behaviour of all the responsive IRI curves is similar and sufficiently homogeneous to permit its representation by medium values observed step by step in the group. The plasma glucose responses are dishomogeneous and it is possible to emphasize different types of involvement in the glucose intolerance.
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