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  • Title: Serum gastrin in chronic renal failure: its relation to acid secretion, G-cell density, and upper gastrointestinal findings.
    Author: Ala-Kaila K, Kekki M, Paronen I, Paakkala T.
    Journal: Scand J Gastroenterol; 1989 Oct; 24(8):939-48. PubMed ID: 2595256.
    Abstract:
    The interrelations among fasting serum gastrin, serum creatinine, gastric acid secretion variables, and G-cell densities were analyzed in 47 patients with chronic renal failure (CRF). The patients also underwent gastroscopy and radiologic upper gastrointestinal barium examination. It is suggested that the hypergastrinemia seen in CRF is related to several factors: gastric acidity, grade of renal failure, G-cell density, and basal gastrin secretion rate. With regard to serum gastrin two different populations can be found, the cutting-off point being 300 ng/l. Although the group with high gastrin levels included significantly more patients with gastric body atrophy than the other group (4 of 11 versus of 1 of 36), most of them had no atrophy, which indicates that (an)other mechanism(s) is responsible for the hypergastrinemia. In the relation between serum gastrin and gastric acidity also, two differently behaving subgroups emerged. In the first, strong acidity change corresponded to minor gastrin change, whereas in the other, minor acidity change corresponded to marked gastrin change. The correlation coefficients between gastrin and acidity were high within both subgroups. During regular dialysis patients preserve the characteristics delineated from non-dialyzed values. Patients with signs of duodenal ulcer disease had high maximal acid output and low serum gastrin. Otherwise no associations were found between GI findings and the variables studied.
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