Abstract
The article presents the results of a study of erythrocyte and reticulocyte indi-ces in patients with juvenile idiopathic arthritis (JIA). The aim of the study was the possibility of early diagnosis of anemic syn-drome in patients with JIA based on the study of reticulocyte indices. Materials and methods. 118 patients with JIA at the age of 11 (6; 14) years underwent a general blood test with the determination of reticulocyte parameters. The comparison group included 30 healthy children. Results and conclusions. Revealed a significant decrease in hemoglobin (p = 0.001) less than 120 g/l in 22.9 % of patients with JIA. A statistically signif-icant difference from the comparison group was a decrease in the average concen-tration of hemoglobin in an erythrocyte (p = 0.03). An increase in the content of reticulocytes with a predominance of immature forms was found in 28.8 % of pa-tients with JIA. A decrease in the hemoglobin content in the reticulocyte and erythrocyte was detected in 28.8 and 44.9 % of cases. The systemic form of the disease affects erythropoiesis in the form of an increase in the content of reticulo-cytes with an increase in the content of immature forms (37.5 %), a decrease in the concentration of hemoglobin in the reticulocyte and erythrocyte (25 and 58.8 %).
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