• Maria Oana Săsăran, Lorena Elena Meliţ, Simona Mocan, Dana Valentina Ghiga, and Ecaterina Daniela Dobru.
• Department of Pediatric Cardiology, "George Emil Palade" University of Medicine, Pharmacy, Sciences and Technology from Târgu Mureş.
• Medicine (Baltimore). 2020 Aug 28; 99 (35): e21985.

AbstractNon-invasive biomarkers, such as neutrophil-to-lymphocyte and platelet-to-lymphocyte ratios, may predict inflammation in various disorders, including gastritis, according to recent data. Nevertheless, various studies reported an association between Helicobacter pylori (H pylori) and immune thrombocytopenia in both adults and pediatric patients. The objective of our study was to evaluate the impact of pediatric gastritis, caused or not by H pylori infection on erythrocytes, their parameters, thrombocytes, mean platelet volume, neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR).We performed a prospective, case-control study on 151 patients aged between 1 and 17 years who presented with chronic dyspeptic symptoms. An upper digestive endoscopy with gastric biopsies and a complete blood count was performed in each case.Control group consisted of 67 patients with normal histological findings, while the two study groups were divided into group 1-H pylori-induced gastritis (31 patients) and group 2-non-H pylori-induced gastritis (53 patients). Children from the rural area were more likely to develop both types of gastritis (P < .01). No significant difference was found between either of the study groups and control group in terms of platelets, mean platelet volume, NLR and PLR (P > .05). However, significantly higher values of lymphocytes were associated with non-H pylori-induced gastritis (P < .01). Comparison of the two study groups did not reflect any significant differences in terms of hematological parameters. When assessing these constants in relation to gastritis severity, severe gastritis led to a compelling decrease in hemoglobin (Hb) and hematocrit (Htc) levels. The comparison of parameters between severe, moderate, and mild gastritis did not reveal any significant results.Childhood and adolescent gastritis does not produce a significant effect upon platelet counts, their mean volume, PLR or NLR, according to our study. An important increase in lymphocyte count might predict non-H pylori pediatric gastritis. Moreover, severe gastritis might result in an important decrease in Hb and Htc levels.

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