The relationship between gastric emptying determined by the breath test and H. pylori |
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Authors: | Ebara Shigeyuki Shirasaka Daisuke Aoyama Nobuo Kachi Masaaki Miki Ikuya Morita Yoshinori Tamura Takao Kasuga Masato |
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Institution: | Division of Diabetes, Digestive, and Kidney Disease, Kobe University School of Medicine, Kobe, Japan. |
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Abstract: | BACKGROUND/AIMS: Helicobacter pylori infection has been implicated in atrophic gastritis and gastric ulcer disease. However, the relationship between gastric emptying and Helicobacter pylori infection is still unclear. METHODOLOGY: One hundred and two consecutive patients with functional dyspepsia were enrolled in this study (53 Helicobacter pylori positive and 49 negative). Gastric emptying was determined using both the 13C-octanoic acid breath test and the paracetamol absorption test. For grading gastric atrophy, the biopsy samples and serum pepsinogen I/II ratio were used. The relationship between gastric emptying, Helicobacter pylori infection and atrophy grade was investigated. RESULTS: There was no significant difference in all gastric emptying parameters between Helicobacter pylori positive and negative patients. However, in Helicobacter pylori positive subjects, pepsinogen I/II ratio correlated with atrophy grade, and it also correlated with all parameters of gastric emptying. Especially in the half-emptying time, an important parameter, there was significant correlation with the pepsinogen I/II ratio (R = -0.39, p < 0.01). This finding implies that gastric emptying is delayed according to the degree of gastric atrophy. CONCLUSIONS: Gastric emptying was not delayed simply according to advanced age, but according to the advance in gastric atrophy. |
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