Introduction:

This research is oriented to know if there is an association (direct or indirect) between duodenogastric reflux and chronic gastritis by Helicobacter pylori.

Material and Method:

We collected data from patients who underwent diagnostic panendoscopy in the endoscopy department of the Central Military Hospital from March 2018 to February 2019, through a clinical interview and a data collection sheet.

Results:

Of the group evaluated with duodenogastric reflux, 44.1% (202 cases) presented chemical gastritis due to histopathological report. In the group of patients with duodenogastric reflux and chemical or biliary gastritis (n = 202), 22.7% (46 cases) presented gastritis due to Helicobacter pylori in the histopathological report. In patients with duodenogastric reflux and without biliary gastritis (n = 256), 92.57% (237 cases) presented gastritis due to Helicobacter pylori in the histopathological report.

Discussion:

There is a high association of indirect type between biliary gastritis and gastritis due to Helicobacter pylori in patients with duodenogastric or biliary reflux. Approximately half of the patients with duodenogastric reflux present biliary gastritis with the risk of developing intestinal metaplasia. Mixed gastropathy (biliary gastritis and Helicobacter pylori) is a risk factor for greater damage to the gastric mucosa, such as the expression of intestinal metaplasia.

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