[Quantitative-qualitative assessment of duodenogastric reflux at 24-h pH-metry].

AIM: To study characteristics (other than duration) of duodenogastric reflux (DGR), correlations of secretory function and DGR characteristics with gastroduodenal disorders (ulcer, chronic hyperacid gastritis). MATERIAL AND METHODS: A total of 110 patients were examined with 24-h pH-metry: 68 patients with duodenal ulcer (DU), 15 patients with gastric ulcer (GU), 27 patients with chronic hyperacid gastritis (CHG). Mean levels of pH and duration of hyperacidity in the body and an antral part of the stomach, duration of DGR, pH in the body and antral part of the stomach depending on DGR severity were studied. RESULTS: DGR was registered almost in all the patients with DU, GU and CHG. Groups of the patients differed by duration and height of the DGR. CONCLUSION: Patients with DU are characterized by low refluxes which do not reach gastric body.