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Abstract
We studied histologically antral biopsies from 89 consecutive patients with chronic renal failure for Helicobacter pylori (previously Campylobacter pylori). A dose-response gastric secretion test was also performed. The frequency of Helicobacter-positive subjects was low (15/89, 17%), corresponding to figures reported in the literature for young symptomless volunteers. Helicobacter-positive patients had significantly more frequently upper gastrointestinal symptoms than Helicobacter-negative individuals (P < 0.05). Antral gastritis was more common in the Helicobacter-positive than in the Helicobacter-negatice renal patients (P < 0.01), but the incidence of body gastritis did not differ between them. The Helicobacter-positive patients had lower serum urea levels (P < 0.01) and higher acid outputs (P < 0.001) than Helicobacter-negative subjects. All patients had raised fasting serum gastrin levels, which possibly obscured the difference between Helicobacter-positive (283 pg/ml) and-negative (331 pg/ml) patients. We conclude that in chronic renal failure gastric colonization of Helicobacter pylori is not more frequent than usual. It correlates positively with antral gastritis, gastric acid output and upper gastrointestinal symptoms, but negatively with serum urea levels.
