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Evaluation of a new chromogenic agar medium for the identification of urinary tract pathogens

Birgit Willinger, Mammad Manafi

Open publisher page 11 citations

Abstract

This study evaluated the performance of CPS ID2 (bioMérieux) compared to that of conventionally used selective agar for the identification of bacteria responsible for urinary tract infections. This medium detects bacterial enzymes using chromogenic substrates. Two hundred and nineteen samples of urine were tested in order to evaluate new CPS ID2 in comparison to blood agar and MacConkey agar. According to our results, the CPS ID2 agar is an easy, rapid and sensitive method for the screening of colonies suspected of being Escherichia coli, reducing the number of biochemical tests needed. Also, enterococci and Proteae can be easily detected. Other micro-organisms require further identification. The greatest value of this medium is the accurate identification of polymicrobial cultures.

About this research paper

What this paper is about

This study evaluated the performance of CPS ID2 (bioMérieux) compared to that of conventionally used selective agar for the identification of bacteria responsible for urinary tract infections. This medium detects bacterial enzymes using chromogenic substrates. Two hundred and nineteen samples of urine were tested in order to evaluate new CPS ID2 in comparison to blood agar and MacConkey agar. According to our results, the CPS ID2 agar is an easy, rapid and sensitive method for the screening of colonies suspected of being Escherichia coli, reducing the number of biochemical tests needed. Also, enterococci and Proteae can be easily detected. Other micro-organisms require further identification. The greatest value of this medium is the accurate identification of polymicrobial cultures.

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OpenAlex reports 11 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This study evaluated the performance of CPS ID2 (bioMérieux) compared to that of conventionally used selective agar for the identification of bacteria responsible for urinary tract infections. This medium detects bacterial enzymes using chromogenic substrates. Two hundred and nineteen samples of urine were tested in order to evaluate new CPS ID2 in comparison to blood agar and MacConkey agar. According to our results, the CPS ID2 agar is an easy, rapid and sensitive method for the screening of colonies suspected of being Escherichia coli, reducing the number of biochemical tests needed. Also, enterococci and Proteae can be easily detected. Other micro-organisms require further identification. The greatest value of this medium is the accurate identification of polymicrobial cultures.

Key concepts: Chromogenic, Hygiene, Clinical microbiology, Urinary system, Medicine, Identification (biology), Library science, Microbiology

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