Non-Helicobacter pylori ulcer disease in rheumatoid arthritis patients receiving long-term NSAID therapy.
Helicobacter pylori and nonsteroidal antiinflammatory drugs (NSAIDs) are considered the major causes of peptic ulcer. If ulcers are not attributable to H. pylori, most are thought to be attributable to NSAIDs. We have previously reported that rheumatoid arthritis ( RA) patients taking NSAIDs long term (NSAIDs group) are more likely to develop gastric ulcers, which commonly occur in the gastric antrum. In addition, the morphology of gastric ulcers in the NSAIDs group differs from that in the non-NSAIDs group (control group), in whom NSAIDs are not involved in the occurrence of gastric ulcers. In this study, we compared gastric ulcers in the NSAIDs group with those in the control group in terms of H. pylori infection. The positive rate of H. pylori in gastric ulcers was significantly lower in the NSAIDs group than in control group (53.6% vs 91.5%). At the ulcer site they were seen significantly less often in the antrum than in either the angle or body of the stomach (35% vs 100%) in the NSAIDs group. On the other hand, the H. pylori-positive rate for ulcers in the antrum did not differ significantly from that in the angle and body of the stomach (81.8% vs 93.8%) in the control group. These findings suggest that H. pylori plays little role in antral ulcers in those taking NSAIDs.[1]References
- Non-Helicobacter pylori ulcer disease in rheumatoid arthritis patients receiving long-term NSAID therapy. Mizokami, Y., Narushima, K., Shiraishi, T., Otsubo, T., Narasaka, T., Matsuoka, T. J. Gastroenterol. (2000) [Pubmed]
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