The aim of this study was to estimate the frequency of fungal colonization of the stomach of patients suffering from gastric ulcer (GU) and chronic gastritis (CG) and the influence of fungal colonization of the stomach on the process of ulcer healing. We investigated 293 patients aged 20-80 years. Before and after 4 weeks of sucralfate treatment they underwent endoscopy of the stomach, histological examination of biopsies taken from the ulcer margin or inflamed gastric mucosa and mycological examinations of the gastric juice, surface brushing and biopsies. The studies revealed a high concentration of fungi in 54.2% patients with GU and 10.3% with CG. Candida albicans was the most frequently isolated organism. Fungal colonization of the stomach impairs the process of gastric ulcer healing. Control examination after 4 weeks of sucralfate therapy showed the ratio of GU healing in 62% of patients with a high concentration of fungi in comparison with 78% of patients not colonized with fungi (P < 0.05). A significantly longer duration of ulcer symptoms in the group of patients with a high concentration of fungi in the stomach was also observed. There was no correlation between the level of fungal antibodies, of Candida antigen in the serum and the concentration of fungi in the stomach.
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