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  • Title: Nonsteroidal antiinflammatory drug-induced mucosal lesions of the upper gastrointestinal tract and their relationship to Helicobacter pylori.
    Author: Rybár I, Masaryk P, Mateicka F, Kopecký S, Rovenský J.
    Journal: Int J Clin Pharmacol Res; 2001; 21(3-4):119-25. PubMed ID: 12067141.
    Abstract:
    The aim of the present study was to determine the prevalence of Helicobacter pylori infection in a group of patients hospitalized at the clinic of rheumatology who presented peptic ulcers and erosions associated with nonsteroidal antiinflammatory drugs (NSAIDs). Of a group of 4,256 hospitalized patients receiving therapy with NSAIDs, 221 patients with persistent dyspepsia underwent endoscopic examination of the upper segment of the gastrointestinal tract. Among them, mucosal abnormalities in the stomach and duodenum were confirmed in 69 patients. H. pylori was found in 42% (29/69) of the examined patients. Peptic ulcers were confirmed in 19 patients. Localization was gastric in 12 patients and duodenal in seven. H. pylori was found in only 17% of the patients (2/12) with gastric ulcers, but in as many as 86% (6/7) of those with duodenal ulcers. Patients with H. pylori taking NSAIDs were at higher risk of developing duodenal mucosal abnormalities, both ulcers (OR: 10.17; 95% CI: 1.08-23.88, p = 0.013) and erosions (OR: 2.67; 95 CI: 1.94-3.66, p = 0.001). Concomitant administration of corticoids and NSAIDs did not increase the risk of gastrotoxicity in patients with positive finding of H. pylori (OR: 0.32; 95% CI: 0.1-0.96). In conclusion, a close association was found between H. pylori infection and duodenal ulcers and erosions, but not between gastric ulcers and gastric erosions in a group of patients hospitalized for rheumatic diseases and undergoing NSAID therapy.
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