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Dig Dis Sci. 1995 Mar;40(3):615-21.

Helicobacter pylori infection and gastric juice vitamin C levels. Impact of eradication.

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1
Gastroenterology Unit, 401 Army General Hospital, Athens, Greece.

Abstract

H. pylori has recently been recognized as a novel risk factor of gastric cancer, but its precise role in gastric carcinogenesis is as yet unknown. The aim of the present study was to assess the relationship between H. pylori infection and vitamin C levels in gastric juice and also to examine whether eradication of H. pylori could have any impact on these levels. Gastric juice and plasma vitamin C levels were measured in 88 dyspeptic patients who had an upper gastrointestinal endoscopy. In the subgroup of H. pylori-positive patients, eradication was attempted with triple therapy. This subgroup was studied on two occasions, ie, before and after treatment. There were 58 H. pylori-positive and 30 -negative patients. Gastric juice vitamin C levels in H. pylori-positive patients were statistically lower (P < 0.001) than the levels in the H. pylori-negative patients. Triple therapy achieved eradication in 45 patients (77.6%) of the 58 H. pylori-positive patients. Before H. pylori was eradicated in these 45 patients gastric juice vitamin C levels were significantly (P < 0.001) lower than those after eradication, the latter being no different than the group of 30 H. pylori-negative patients. There was a significant (P < 0.001) improvement of gastritis after eradication, which paralleled the elevation of gastric juice vitamin C levels. No difference was noted in plasma vitamin C levels between H. pylori-negative and -positive patients or in the latter before and after H. pylori treatment.(ABSTRACT TRUNCATED AT 250 WORDS)

PMID:
7895555
[Indexed for MEDLINE]
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