Abstract
Some studies suggested an association between Helicobacter pylori infection and iron-deficiency anemia, however, the link between weight loss and the infection in childhood remains non-established. In a retrospective cohort study, we compared H. pylori positivity rates of Bulgarian children without or with anemia (47 children in each group) or weight loss (45 children in each group) and both conditions (17 children in each group). H. pylori infection was associated with the presence of anemia (in 76.6% of the anemic vs. 21.3% of the non-anemic patients, P < 0.0001) and weight loss (in 82.2% of the patients vs. 17.8% of the control children, P < 0.0001). All 17 patients with both conditions were H. pylori positive. Relative risk of anemia, weight loss and both conditions was 3.6 (95% CI, 2.0–6.4), 4.6 (95% CI, 2.4–8.8) and 5.7 (95% CI, 2.0–15.8), respectively, in the children with H. pylori infection. In conclusion, H. pylori infection was significantly associated with iron-deficiency anemia or/and weight loss in Bulgarian pediatric patients. Therefore, diagnostics and treatment of the infection as well as a proper control of the eradication success can be beneficial and thus, can be recommended for children with those conditions.
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