Overlap of Gastroesophageal Reflux Disease and Functional Dyspepsia and Yield of Esophagogastroduodenoscopy in Patients Clinically Fulfilling the Rome IV Criteria for Functional Dyspepsia

Author:

Quach Duc Trong,Ha Quoc Van,Nguyen Chuyen Thi-Ngoc,Le Quang Dinh,Nguyen Doan Thi-Nha,Vu Nhu Thi-Hanh,Dang Ngoc Le-Bich,Le Nhan Quang

Abstract

AimTo assess (1) the overlap rate of gastroesophageal reflux disease (GERD) and functional dyspepsia (FD) and (2) the yield of esophagogastroduodenoscopy in patients clinically presenting with FD.Materials and MethodsOutpatients aged ≥18 years with typical reflux symptoms ≥2 times a week or clinically fulfilling the Rome IV criteria for FD were recruited and underwent esophagogastroduodenoscopy. GERD was classified into non-erosive reflux disease (NERD) and erosive reflux disease (ERD), and FD was classified into epigastric pain syndrome and postprandial distress syndrome. The endoscopic findings that could explain patients’ symptoms were considered clinically significant endoscopic findings. After esophagogastroduodenoscopy, patients were categorized into three groups: GERD-only, FD-only, and GERD-FD overlap.ResultsThere were 439 patients with a mean age of 42.3 ± 11.6 years. Ninety-one (20.7%) patients had clinically significant endoscopic findings: 73 (16.6%) reflux esophagitis, 6 (1.4%) Barrett’s esophagus and 14 (3.2%) gastroduodenal ulcers. After excluding gastroduodenal ulcers, the numbers of patients with GERD-only, FD-only, and GERD-FD overlap were 69 (16.2%), 138 (32.5%), and 218 (51.3%), respectively. Postprandial distress syndrome was more prevalent in GERD-FD overlap than in FD-only (72.9 vs. 44.2%, p < 0.001). The rates of gastroduodenal ulcers in patients clinically fulfilling the criteria for FD with and without reflux symptoms were 0.6 and 4.7%, respectively (p = 0.027).ConclusionThe GERD-FD overlap was more common than each disorder alone, of which postprandial distress syndrome was significantly prominent. Organic dyspepsia was uncommon in patients clinically fulfilling the Rome IV criteria for FD.

Publisher

Frontiers Media SA

Subject

General Medicine

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