Publications by authors named "O S Amelchugova"

Background: The high prevalence of Helicobacter pylori (H. pylori) infection in eastern Siberia is consistently established. In the same geographic area, however, fragmentary information is available on the epidemiology of the peptic ulcer disease (PUD).

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Aim: To investigate the frequency of extraesophageal syndromes in elderly patients with gastroesophageal reflux disease (GERD).

Materials And Methods: This cross-sectional study was conducted to compare the clinical manifestations of GERD in 1100 patients aged 60 to 75 years and in 453 patients aged 36 to 60 years. A control group consisted of 154 elderly patients without GERD and 178 mature-aged patients without this condition.

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Aim: To study the indicators of apoptosis in the gastric mucosa (GM) in relation to atrophy and the presence of CagA gene- containing Helicobacter pylori strains in the indigenous and nonindigenous dwellers of Evenkia.

Subjects And Methods: Clinical and morphological examinations and fibrogastroscopy of GM were performed in 159 Caucasians and 136 Mongoloids (Evenks). The TUNEL assay was used to determine GM apoptosis in 24 Caucasians and 22 Evenks and the H.

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We evaluated parameters of apoptosis in the mucosa of the gastric antrum and body of indigenous and non-indigenous residents of Khakassia with duodenal ulcer disease associated with Helicobacter pylori infection. In the gastric antrum, apoptotic index was significantly increased in patients with ulcer disease in comparison with healthy individuals in both populations. The ratio of proliferation index to apoptotic index was lower in patients with ulcer disease in comparison with healthy individuals in both populations.

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The review deals with the current aspects of prevention of non-cardia gastric cancer (GC). Helicobacter pylori is the most common cause of non-cardia GC. The Correa cascade remains a major pattern of the pathogenesis of non-cardia GC as before.

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