Clinical characteristics and risk factors of gastroesophageal reflux disease in Vietnamese patients with upper gastrointestinal symptoms undergoing esophagogastroduodenoscopy

Duc T Quach, Quyen T T Pham, Truc L T Tran, Nhu T H Vu, Quang D Le, Doan T N Nguyen, Ngoc L B Dang, Huy M Le, Nhan Q Le, Duc T Quach, Quyen T T Pham, Truc L T Tran, Nhu T H Vu, Quang D Le, Doan T N Nguyen, Ngoc L B Dang, Huy M Le, Nhan Q Le

Abstract

Background and aim: The risk factors associated with the increase in prevalence of gastroesophageal reflux disease (GERD) are not consistent across countries and there have been few studies in Asia in the past 10 years. This study was conducted to assess the features and risk factors of GERD in Vietnamese patients.

Methods: A cross-sectional study was conducted on 1947 out-patients ≥18 years of age who were presented with upper gastrointestinal symptoms and underwent esophagogastroduodenoscopy. Reflux esophagitis was graded according to the Los Angeles classification. Endoscopically suspected Barrett's esophagus (BE) was recorded according to the Prague C and M criteria and biopsy was taken for histologic examination.

Results: There were 511 (26.2%) patients with GERD, 242 (47.4%) with nonerosive reflux disease, and 269 (52.6%) with reflux esophagitis and/or BE. Epigastric pain, regurgitation, and heartburn were the chief complaints in 36.8%, 27.0%, and 9.2% of patients, respectively. Most of the patients with mucosal injury had reflux esophagitis in mild grade and BE in the form of C0M ≤2 (99.6%, 231/232 and 97.8%, 46/47, respectively). In multivariate analysis, hiatal hernia, male gender, waist-to-hip ratio (independent from general obesity), and smoking were risk factors for GERD while Helicobacter pylori infection was negatively associated with GERD.

Conclusions: The majority of GERD patients had none or mild mucosal injury. Typical reflux symptoms, however, may not be the chief complaints. Central obesity would be more important than general obesity as a risk factor, while H. pylori infection was a "protective" factor for GERD in Vietnamese patients.

Keywords: Barrett's esophagus; Helicobacter pylori; Vietnam; gastroesophageal reflux disease; reflux esophagitis; risk factors.

© 2021 The Authors. JGH Open published by Journal of Gastroenterology and Hepatology Foundation and John Wiley & Sons Australia, Ltd.

Figures

Figure 1
Figure 1
Chief complaints in patients with gastroesophageal reflux disease (GERD). NERD, nonerosive reflux disease; (*): Dysphagia, dry throat, or burning sensation in throat. , GERD with mucosal injury; , NERD; , GERD total.

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Source: PubMed

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