Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego · 2023
MODERN TRENDS OF CHANGES IN THE MICROBIOTA OF UROGENITAL SYSTEM IN PATIENTS WITH UROLITHIASIS.
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Fedorchenko Vira I, Loban Galina A, Gancho Olga V, Ivakhniuk Tetiana V, Bagnuk Natalia A, Dudar Alina O, Kovalenko Ninel P, Bobrova Nellia O
Аннотация
OBJECTIVE: Aim: Analysis of trends in the microbial communities of the genitourinary system in patients with urolithiasis.
PATIENTS AND METHODS: Materials and Methods: 165 urine samples from patients with urolithiasis was examined. The quantitative isolation of microflora was carried out using the bacteriological method. Microorganisms were identified using API biochemical test systems (bioMerieux, France). The percentage of the various types of microorganisms was determined. The reliability of differences in the frequency of various types of microorganisms isolation in a monoculture and the composition of microbial associations was determined by two-field tables with Fisher's Exact criterion. The GraphPad Prism 7 software was used.
RESULTS: Results: 198 bacterial cultures of various types were isolated. In one case, a Candida culture was isolated. E. faecalis was the most frequently isolated culture (29.1% of the isolated strains number); E. coli (18.1% of the total number of isolated cultures; K. pneumoniae (11.1%). There were no significant differences in the rate of E. faecalis compared to E. coli. K. pneumonia was isolated significantly less frequently than E. faecalis. These types of microorganisms were also leaders in the formation of bacterial mixes. In addition, these species are involved in the urease activity of bacteria (directly or indirectly), which contributes to the formation of stones in the genitourinary system.
CONCLUSION: Conclusions: E. faecalis is the species most often isolated from patients with purulent-inflammatory processes in patients with urolithiasis, both in the case of mono-infection and as part of mixed bacterial cultures.
PATIENTS AND METHODS: Materials and Methods: 165 urine samples from patients with urolithiasis was examined. The quantitative isolation of microflora was carried out using the bacteriological method. Microorganisms were identified using API biochemical test systems (bioMerieux, France). The percentage of the various types of microorganisms was determined. The reliability of differences in the frequency of various types of microorganisms isolation in a monoculture and the composition of microbial associations was determined by two-field tables with Fisher's Exact criterion. The GraphPad Prism 7 software was used.
RESULTS: Results: 198 bacterial cultures of various types were isolated. In one case, a Candida culture was isolated. E. faecalis was the most frequently isolated culture (29.1% of the isolated strains number); E. coli (18.1% of the total number of isolated cultures; K. pneumoniae (11.1%). There were no significant differences in the rate of E. faecalis compared to E. coli. K. pneumonia was isolated significantly less frequently than E. faecalis. These types of microorganisms were also leaders in the formation of bacterial mixes. In addition, these species are involved in the urease activity of bacteria (directly or indirectly), which contributes to the formation of stones in the genitourinary system.
CONCLUSION: Conclusions: E. faecalis is the species most often isolated from patients with purulent-inflammatory processes in patients with urolithiasis, both in the case of mono-infection and as part of mixed bacterial cultures.