STREPTOCOCCUS PNEUMONIAE - THE FACTOR OF ETIOLOGY IN STUDYING THE MUCOSA OF NOSE MICROFLORA IN CHILDREN
Currently inflammatory diseases of the nasal mucosa and paranasal sinuses are more common among the pathology of the ear, throat, nose (ENT), especially in young children. An important role is played by a representative of the opportunistic microflora- S. pneumoniae. Based on the mechanisms of realization of pathogenic properties of opportunistic microorganisms, it is important to note that the establishment of markers of the pathogenic state would allow us to assess their role in the development of diseases.
The aim of the study was to analyze the monitoring of the frequency of detection of pneumococcus from nasal smear samples.
Materials and methods. Our retrospective analysis included data from the results of bacteriological examination of samples from the nasal mucosa of children under 14 years of age, patients of the city infectious diseases hospital of Shymkent for the period 2015-2019. The sample for quantitative evaluation of identified pneumococcal strains was based on monthly registration of the frequency of their isolation. To isolate the culture, blood and chocolate agars (BA and CHOC) were used, and the cups were incubated at 37 °C in an atmosphere of 5% CO2.
Results. In total, 9158 samples of nasal smears from children were examined by the culture method, 99 strains of pneumococci were detected and identified by the quantitative method, which amounted to 1.1%. The analysis of the results of pneumococcal seeding from nasal mucosal smears by month for 5 years allowed us to assess quarterly discharge, when in every three months the key indicator was only one of the highest proportion of pneumococcal discharge: 1q.-1.6%, 2q. -1.0%, 3q. -0.8% and the highest level was achieved in the 4th quarter-2.4% of cases.
Conclusions. Thus, the year-round isolation of pneumococci was established, with "permanent" increases in detection, which did not allow us to judge the stability of pneumococcal etiology in the incidence of ENT pathology. A retrospective analysis of the 5-year period in terms of the frequency of bacteriological isolation of pneumococci revealed only 2019. as an indicator for monitoring pneumococcal infections among children.
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Baimuratova M., Tugulbayeva A., Ateel A.B., Tiesova-Berdalina R., Abdusalamova Z., Jumatova U., Ryskulova A., Kul'zhanova K.D. Streptococcus Pneumoniae - the factor of etiology in studying the mucosa of nose microflora in children // Nauka i Zdravookhranenie [Science & Healthcare]. 2021, (Vol.23) 1, pp. 47-55. doi 10.34689/SH.2021.23.1.006Похожие публикации:
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