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KMID : 0816120090120020133
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Korean Journal of Pediatric Gastroenterolology and Nutrition
2009 Volume.12 No. 2 p.133 ~ p.139
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Influence of Helicobacter pylori Infection on Gastric Motility in Children and Adolescents with Functional Dyspepsia
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Ryoo Eell
Cho Kang-Ho
Tchah Hann
Kang Sung-Gil
Kwon Chang-Gyu
Son Dong-Woo
Nam Yoo-Nee
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Abstract
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Purpose: In spite of many reports about Helicobacter pylori infection in children with functional gastrointestinal disorders, there are few reports about the influence of H. pylori infection to functional dyspepsia and gastric motility. Therefore, we studied the influence of H. pylori infection on gastric myoelectrical activity in children with functional dyspepsia.
Methods: Between August 2006 and December 2008 upper gastrointestinal endoscopies with biopsies, the rapid urease test and/or 13C urea breath test, and electrogastrography (EGG) were performed on 63 patients with histologic chronic gastritis; patients with chronic disorders were excluded. Comparisons about gastric myoelectrical activities were made between H. pylori-positive children (n=25) and H. pylori- negative children (n=38).
Results: The percentage of pre- and post-prandial normogastria was relatively lower in H. pylori-positive children than H. pylori-negative children (80% vs. 65%, and 80% vs. 68%, respectively). Compared to H. pylori-negative children, H. pylori-positive children had lower postprandial predominant power (8.18±22.36 dB and 32.20±24.18 dB, respectively; p＜0.01) and a lower power ratio (?P; ?1.28±6.18 vs. ＋4.62±5.93, respectively; p＜0.01).
Conclusion: It was suggested that the gastric myoelectrical activity in children with chronic gastritis can be influenced by H. pylori infection. Thus, this study indicates that H. pylori infection may be predictable in children with functional dyspepsia through analyzing the EGG parameters, and treatment may be considered in H. pylori-positive children with impaired gastric activity, especially in the lower prevalence area.
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KEYWORD
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Functional dyspepsia, Chronic gastritis, Gastric motility, Electrogastrography, Children, Adolescent
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