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  • Title: [The role of Helicobacter pylori in normal microbiocenosis and dysbacteriosis of mucous microflora of the esophagogastroduodenal zone in its inflammation, erosion and ulcer].
    Journal: Ter Arkh; 2012; 84(2):10-6. PubMed ID: 22715655.
    Abstract:
    AIM: To determine a population level and significance of Helicobacter pylori in normal microbiocenosis and dysbiosis of mucosal microflora in the esophagogastroduodenal zone. MATERIAL AND METHODS: Qualitative and quantitative composition of mucosal microflora was defined in biopsy specimens from different parts of the esophagus, stomach and duodenum and clinical and histological examinations were made in 50 healthy volunteers, 130 duodenal ulcer patients, 24 patients with gastric ulcer, 36 with chronic gastritis and 24 with chronic esophagitis. RESULTS: H. pylori is a component of normal mucosal microbiota of the oesophagus, stomach and duodenum. These bacteria protect normal gastrointestinal microflora. Exacerbations of peptic ulcer, chronic gastritis and oesophagitis are accompanied with overgrowth of dysbiotic mucosal microflora and reduction of H. pylori content in most cases. Healing and scar formation occur both in the presence and absence of H. pylori. CONCLUSION: The presence of H. pylori in mucosal microbiocenosis in the oesophagogastroduodenal zone has no independent significance in exacerbation of ulcer disease, gastritis and oesophagitis and does not require eradication.
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