Purpose: The aim of this study was to evaluate the presence of H. pylori antigens in the oral cavity (dental plaque and saliva) of patients undergoing systemic eradication therapy. Materials and methods: The study was conducted in 49 subjects with H. pylori stomach infection. H. pylori antigens in dental plaque and saliva were evaluated with immunological method. Results: In subjects with initial H. pylori oral infection, the presence of H. pylori antigens in the oral cavity 6 weeks after successful or unsuccessful H. pylori eradication therapy in the stomach was 47.0% and 50.0%, respectively. In subjects without initial oral infection with H. pylori, the presence of H. pylori antigens in the oral cavity 6 weeks after successful and unsuccessful eradication therapy in the stomach was 30.0% and 20.0%, respectively. Conclusions: The immunological method detecting H. pylori antigens in the dental plaque and saliva cannot be recommended to evaluate the efficacy of H. pylori eradication in the oral cavity.
Purpose: To evaluate the hypothesis that vitamin C
improves the efficacy of Helicobacter
pylori eradication in smokers when combined with
pantoprazole, amoxicillin, and clarithromycin.
Materials and methods: The study completed 90
subjects of 98 enrolled, 58 smokers 32 nonsmokers. Helicobacter pylori status was determined
by two methods, CLO test, and histology. Vitamin C
(500 mg) was administered three times daily. The
patients were considered as cured of H. pylori if the
CLO test result and histology were negative 4 weeks
after completion of eradication therapy.
Results: Smokers had lower effectiveness of
eradication therapy than non-smokers and the
administration of vitamin C had not affected the
outcome of eradication therapy.
Conclusions: Vitamin C (500 mg tid) does not
improve the eradication therapy when pantoprazole,
amoxicillin, and clarithromycin were used.
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