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Prognostic significance of antrum-predominant gastritis in functional dyspepsia
M Heikkinen1, M Vornanen, S Hollmén
1Dept. of Medicine, Unit of Gastroenterology, Kuopio University Hospital, Finland. markku.heikkinen@kuh.fi
Background:
The role of Helicobacter pylori infection in functional dyspepsia is still controversial, and subgroups of patients with functional dyspepsia who may benefit from H. pylori eradication should be identified. Patients with functional dyspepsia and antrum-predominant H. pylori-positive chronic gastritis, it has been argued, have fewer symptoms after eradication therapy. In the present study, we analysed the clinical significance of antrum-predominant gastritis on the long-term prognosis of functional dyspepsia.
Methods:
Consecutive unselected dyspeptic patients were investigated in primary care and the patients with functional dyspepsia were enrolled in this long-term follow-up study. Altogether 182 patients were recruited: 65 with normal histology of the stomach, 36 with antrum-predominant gastritis, 21 with corpus-predominant gastritis and 60 with pangastritis. Patients' medical histories were reviewed after 6 to 7 years, with total number and outcome of repeated investigations analysed. At the end of follow-up, all patients were invited for voluntary gastroscopy.
Results:
At the end of follow-up, the proportion of asymptomatic patients ranged from 21% (normal histology) to 26% (antrum-predominant gastritis). No statistically significant differences between groups appeared in regard to re-visits or to proportion of patients examined by sigmoideo- or colonoscopy during follow-up. Patients with antrum-predominant gastritis less often underwent upper endoscopy. Peptic ulcer was more frequent (P = 0.05) in patients with antrum gastritis than in other groups, but no other differences existed among any organic gastrointestinal findings. No significant differences between subgroups appeared among the 30% of patients using drugs for upper abdominal complaints during the previous year.
Conclusions:
Functional dyspepsia has an excellent long-term prognosis. Antrum-predominant gastritis in functional dyspepsia seems to carry an increased risk for peptic ulcer, and for this group in particular, H. pylori eradication should be considered. This finding requires confirmation in future studies performed in primary care.
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