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Screening of carriage of group B (GBS) Streptococcus in pregnant women
ŽIŽKOVÁ, Johana
In the theoretical part of my bachelor thesis, I first focus on the topic of genitourinary infections. I also mention infections that occur in men, then I deal mainly with infections of the genitourinary tract of a woman. I also mention sexually transmitted diseases. Then I go straight to the topic of my bachelor thesis, where I deal with Streptococcus agalactiae bacteria and its screening. The practical part is devoted to the adoption of methods that are used to determine the presence of Streptococcus agalactiae. The whole practical part was carried out in the microbiological laboratory SYNLAB s.r.o. in České Budějovice. The methods of common cultivation were used, cultivation that took place after multiplication of the pathogen in Todd Hewitt Broth + Antibiotics. If Streptococcus agalactiae was detected during cultivation, another test had to be carried out to ensure that this is indeed the pathogen. MALDI-TOF MS is the most frequent determinant, but latex agglutination, CAMP test or API 20 STREP biochemical test can also be used. During the research, 100 samples were processed, which were subjected to normal cultivation and then cultivation according to the recommended procedure, where the swab is incubated in the Todd Hewitt Broth + Antibiotics for 24 hours. Of the 100 samples, the positivity was shown to us after the first cultivation in 14 cases, after multiplication in the broth, another 5 were revealed. From the obtained data and data from the last 3 years provided by the laboratory, I compiled statistics, which I further compared with nationwide data. The aim of my bachelor thesis was to get acquainted with the issue of genitourinary infections and the possibilities of their laboratory diagnosis. I performed the examination of a group of patients by bacteriological cultivation of vaginal swabs and further cultivation after multiplication in the Todd Hewitt Broth + Antibiotics. Subsequently, I compared the results of these two methods and compared the results of the laboratory with the frequency of positive findings with the nationwide data.
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