Association of Endoscopic Features of Gastric Mucosa with Helicobacter pylori Infection in Chinese Patients

The aim of this study is to identify and consolidate reliable endoscopic features associated with H. pylori infection in gastric mucosa, which is one of the major causes of gastric cancer. A total of 256 Chinese patients with symptomatic stomach disturbances were enrolled. Pathological examination was conducted using a light microscope and biopsy specimens stained with hematoxylin-eosin. Endoscopic examination was performed using a high resolution video endoscope. The association between endoscopic features and pathological H. pylori diagnosis was compared, and endoscopic features significantly associated with H. pylori infection were identified. A total of 14 endoscopic features were observed. Six of the 14 endoscopic features, including mucus on the gastric mucosa, diffuse redness, spotty redness of fundic mucosa, enlarged fold, mucosal edema, and RAC (type D and type I), were highly associated with H. pylori infection and were significantly sensitive and specific predictors for H. pylori diagnosis. The type R RAC was not significantly associated with H. pylori diagnosis. Our results indicate that conventional endoscopy features can be used to diagnose H. pylori in Chinese patients and can help determine the risk factor for gastric cancer.

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