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Functional dyspepsia: relationship between clinical subgroups and Helicobacter pylori status in Western Turkey

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Author(s): Saruc M. | Ozden N. | Turkel N. | Ayhan S. | Demir M.A. | Tuzcuoglu I. | Akarca U.S. | Yuceyar H.

Journal: Brazilian Journal of Medical and Biological Research
ISSN 0100-879X

Volume: 36;
Issue: 6;
Start page: 747;
Date: 2003;
Original page

Keywords: Functional dyspepsia | Subgroups | Helicobacter pylori | Symptoms

ABSTRACT
The etiology of functional dyspepsia is not known. The objective of the present study was to determine the characteristics of functional dyspepsia in Western Turkey. We divided 900 patients with functional dyspepsia into three subgroups according to symptoms: ulcer-like (UL), 321 (35.6%), motility disorder-like (ML), 281 (31.2%), and the combination (C) of these symptoms, 298 (33.1%). All patients were submitted to endoscopic evaluation, with two biopsies taken from the cardia and corpus, and four from the antrum of the stomach. All biopsy samples were studied for Helicobacter pylori (Hp) density, chronic inflammation, activity, intestinal metaplasia, atrophy, and the presence of lymphoid aggregates by histological examination. One antral biopsy was used for the rapid urease test. Tissue cagA status was determined by PCR from an antral biopsy specimen by a random sampling method. We also determined the serum levels of tumor necrosis factor-alpha (TNF-alpha) and gastrin by the same method. Data were analyzed statistically by the Kolmogorov-Smirnov test and by analysis of variance. Hp and cagA positivity was significantly higher in the UL subgroup than in the others. The patients in the ML subgroup had the lowest Hp and cagA positivity and Hp density. The ML subgroup also showed the lowest level of Hp-induced inflammation among all subgroups. The serum levels of TNF-alpha and gastrin did not reveal any difference between groups. Our findings show a poor association of Hp with the ML subgroup of functional dyspepsia, but a stronger association with the UL and C subgroups.

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Tangokurs Rapperswil-Jona

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