The findings provide strong evidence that H. pylori infection is associated with cobalamin deficiency, and show that this is true even in patients with non-ulcer dyspepsia and minimal or no gastric atrophy.

Objective: Helicobacter pylori is the major etiologic agent for chronic active gastritis, and it also plays a crucial role in gastric and duodenal ulcer disease, as well as in gastric carcinoma. H. pylori infection has been shown to decrease plasma somatostatin (SST) and increase plasma gastrin concentrations. Ghrelin is a recently discovered peptide produced mostly in the stomach of rodents and humans and is secreted into the bloodstream. There is no data in the literature about the relationship between H. pylori and ghrelin. Design: Thirty-nine age-and BMI-matched H. pylori infection positive and negative women, from whom biopsy specimens were taken during gastric endoscopy, were included in the study. Methods: Total ghrelin was measured by enzyme immunoassay (EIA) in Medistek. All samples were measured in duplicate and averaged; results differing by more than 20% were re-assayed. Two biopsy specimens from antrum, corpus and fundus were obtained. Results: Fifteen of the subjects were H. pylori negative and 24 were H. pylori positive. Age, BMI, lipid profile and insulin sensitivity indices of the groups were similar. Plasma ghrelin levels ð375:92^7:10 vs 370:00^4:14 pmol=l; P . 0:05Þ of H. pylori negative and positive groups did not differ significantly. Conclusion: H. pylori has no effect on plasma ghrelin concentration.

Our rates of eradication were significantly lower when compared to those reported in literature. We believe that advanced age and high H pylori density are negative predictive factors for the rate of H pylori eradication.

The prevalence of H. pylori infection did not differ significantly between the diabetic patients and nondiabetic controls. Interestingly, diabetics with H. pylori infection had a higher incidence of neuropathy, although there was no association between the duration and regulation of diabetes, retinopathy, nephropathy and H. pylori status.

Administration of OPS causes a significant rise in serum phosphate, even in patients with normal CCR. The elevation is significantly greater in elderly patients. Administration of OPS can be considered safe for young and middle-aged patients with normal renal function; however, it should be used with caution in elderly patients, even in those with normal CCR and serum creatinine values.

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Eradication of H pylori decreases serum homocysteine even in patients who do not exhibit gastric mucosal atrophy. It appears that the level of homocysteine in serum is related to a complex interaction among serum vitamin B(12), serum folate and erythrocyte folate levels.

These data suggest that the prevalence of occult HBV infection is higher in diabetics compared with healthy controls and this may contribute to the increased prevalence of primary hepatocellular carcinoma in diabetics.