The discovery of Helicobacter pylori (Hp) bacteria and causal relationship of Helicobacter pylori infection with the origin of chronic gastritis, stomach and duodenal ulcer and stomach cancer represents an epochal event of the new age. The goal of the study is to examine the incidence of Helicobacter pylori infection of stomach and prove the connection between Helicobacter pylori infection and stomach and duodenum diseases (non-ulcer gastropathy, stomach ulcer, and duodenal bulb ulcer and stomach cancer). The study encompassed 250 randomly selected examinees of both genders and different age categories. All the examinees were subjected to quick urease test (QUT) from antral bioptate and stomach corpus acquired by upper gastrointestinal endoscopy with standard forceps. Hp positive examinees were subjected to one of four therapy protocols for eradication of Hp. The acquired data were treated with application of descriptive statistical methods (SV, SD, Min, MAX) and analytical statistical methods (Student t test, Hi quadrat test, Kruskal-Walish test, Mann-Whitny U-test, Wilcoxon test, ANOVA variant analysis, Spearman and Pearson correlation). 250 examinees tested by quick urease test (QUT), 54% were positive and 46% were negative (p>0.05). The proportion by genders between QUT positives and QUT negatives was approximately the same (p>0.05). Non-ulcer gastropathy was a dominant finding with both QUT negatives (92.2%) and QUT positives (77%) (p<0.01). The highest rate of eradication of Helicobacter pylori infection was shown by protocols B and D (75%), then protocol A (71%) and protocol C (57.2%) (p>0.05). Quick urease test (QUT) which requires upper digestive endoscopy and biopsy of stomach epithelia samples represents a minimum of invasive diagnostics of Helicobacter pylori infection and a minimum of confirmation of eradication in our conditions. Therapeutic protocols B and D have shown the highest rate of success in eradication with our patients.

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