Aim:

To estimate the frequency of Helicobacter pylori infection in potentially malignant stomach lesions in patients of the city of Pasto- Nariño.

Materials and methods:

Retrospective study with secondary analysis of sociodemographic and histopathological information derived from pathology reports for gastric biopsies of patients from the department of Nariño, Colombia from year 2016-2019.

Results:

Patients from the city of Pasto (n=359) presented a percentage of detection for Helicobacter pylori of 35.6% and the infection was significantly higher in men than in women (p=0.037). The average age of men positive for Helicobacter pylori was 44 years and women 47 years (p<0.001). The average age of the cases of chronic atrophic gastritis in men and women was 49 and 54 years respectively (p<0.001) and for intestinal metaplasia cases, the average age was 59 years in men and 61 years in women (p<0.001).

Conclusions:

In the present study, the detection of Helicobacter pylori was higher in the male group compared to the female group (43.2% vs 31.6% respectively). The frequency of atrophic chronic gastritis and intestinal metaplasia in men was 37.9% and 23.1% respectively; in women was 35.2% and 15.1% respectively.

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