Which patient groups are at increased risk for gastric cancer from Helicobacter pylori (H pylori) infection?

Updated: Jul 21, 2021
  • Author: Luigi Santacroce, MD; Chief Editor: BS Anand, MD  more...
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Searching and screening for H pylori gastritis depends on the epidemiologic setting and is appropriate at an age before the onset of atrophic gastritis and intestinal metaplasia. [1]

Note that the risk of gastric cancer is increased in patients who have an H pylori infection and whose first-degree relatives have a history of gastric cancer, even if they are asymptomatic. Thus, eradicating H pylori reduces the risk of gastric cancer; the risk reduction relies on the presence, severity, and extent of atrophic damage at the time of eradication. [1]

Persons emigrating from geographic areas with a high incidence of gastric cancer have an increased risk.

Consider any patient with precancerous lesions of the stomach (ie, intestinal metaplasia) for treatment of H pylori infection.

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