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Korean J Gastrointest Motil. 1999 Nov;5(2):127-135. Korean. Original Article.
Song CW , Kim KH , Lee SJ , Kim HR , Jeen YT , Chun HJ , Um SH , Kim CD , Ryu HS , Hyun JH .
Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea.
Department of Institute of Digestive Disease and Nutrition, Korea University College of Medicine, Seoul, Korea.

BACKGROUND/AIMS: It is suggested that postsurgical gastritis is mainly caused by the enterogastric reflux, but the pathogenesis and association with symptoms are not clearly established. The aims of this study were to investigate the role of duodenogastric reflux in postsurgical gastritis and to evaluate the relationship between an intragastric pH study and an intragastric bile reflux study. METHODS: The 33 patients with Billroth-II gastrectomy and 10 healthy volunteers were enrolled. After the endoscopy, we performed a simultaneous intragastric pH and a bile reflux study. RESULTS: The symptomatic patients with Billroth-II gastrectomy showed a greater increase in bilirubin reflux than the asymptomatic patients and normal controls. There was a significant association of gastritis with the presence of symptoms, but not with duodenogastric reflux. Intragastric bile reflux(% time> bilirubin absorbance 0.14) was not closely related with intragastric pH(% time> pH 4). CONCLUSIONS: The duodenogastric reflux was associated with symptoms but not with postsurgical gastritis. There was no close relationship between the intragastric pH study and the intragastric bile reflux study.

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