Indicators of Esophageal pH-Impedance Monitoring and High-Resolution Manometry in Patients with Various Forms of Gastroesophageal Reflux Disease
Abstract
Aim. The aim of the study is to analyze the regularities of changes in the basic indicators of esophageal pH-impedance monitoring and high-resolution manometry in patients with non-erosive reflux disease (NERD), erosive reflux disease (ERD) and Barrett’s esophagus (BE) in comparison with healthy individuals.Materials and methods. 69 patients were examined, including 19 patients with NERD, 16 patients with ERD, 14 patients with BE and 20 individuals comprising the control group (CG). The gender structure was as follows: 44 male and 25 female patients. The average age of the examined patients was 46 years. All patients underwent 24-hour esophageal pH-impedance monitoring and high resolution manometry.Results. According to the data of 24-hour pH-impedance monitoring, the total time in the esophagus with pH < 4 was 2.4 % in the control group, 9 % in the NERD group, 20.25 % in the ERD group and 23.5 % in the patients with BE (p < 0.05). The average number of acid refluxes was 22.5 in CG, 61 in the NERD group, 77 in the ERD group and 86 in patients with BE (p < 0.05). The time of chemical clearance was 1.7 minutes in CG, 2.2 minutes in the group of patients with NERD, 2.9 minutes in the ERD group and 3 minutes in the BE group (p < 0.05). The mean nocturnal baseline impedance was 2483.5 Ohm in CG, 1775.0 Ohm in the NERD group, 771.0 Ohm in the ERD group and 911.0 Ohm in the BE group (p < 0.05). The normal parameters of the esophagogastric junction (EGJ) structure and function…
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