Determination of reference biological intervals in a hematology analyzer BC-5000 of the Microbiology school of the university of Antioquia, Medellin 2017

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Abstract

Introduction: The adult hemogram values can vary according factors such as ethnic origin, age, sex and level above the sea, whereby it is essential to know the biological intervals associated to our own population. Therefore, the objective of our study was to determine biological reference intervals (BRI) for adults with the hematological equipment BC-5000. Methods: This is a transversal descriptive study with 111 blood bank donors from Medellín, between 18 62 years old. Hemogram, C reactive protein and ferritin were done. The BRI were calculated according to the recommendations of the International Federation of Clinical Chemistry (IFCC), with the formula X ± (DS * 1, 96). BRI comparison according sex was carried out with the t-student test. Results: Calculated BRI by X ± (DS * 1, 96) formula, showed statistically significant differences (P < 0, 05) between men and women for count in most of the parameters. Higher statistical means were obtain in women for the count of leukocytes and platelets, absolute counts of some white cells, VPN y PCT. Discussion: The presence of androgens in the male sex, inductors of the erythropoiesis system, as well as the estrogens and menstrual period, suppressor of this system, can explain the lower values in the female erythrocyte count, the hemoglobin, hematocrit and red cell lower ranges. The high estrogen and interleukins 6 and 1 loads in women, drive the extended half-life of some cells like lymphocytes, that can explain the difference in leucocyte count found in the present study.

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Mejía-Saldarriaga, S. S., Rendón, D. A., Bossio-Zapata, F., Sánchez-Cifuentes, É., Jaramillo-Pérez, L. M., & Acevedo-Toro, P. A. (2019). Determination of reference biological intervals in a hematology analyzer BC-5000 of the Microbiology school of the university of Antioquia, Medellin 2017. Iatreia, 32(2), 92–101. https://doi.org/10.17533/udea.iatreia.08

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