Rectal Swabs for Detecting Multidrug Resistant Bacteria Prior to Transrectal Prostate Fusion Biopsy: A Prospective Evaluation of Risk Factor Screening and Microbiologic Findings

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Erscheinungsjahr:
2020
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  • OBJECTIVE: To assess the prevalence of fluoroquinolone resistant (QR) bacteria, multidrug resistant (MDR) bacteria and Enterococcus faecalis (E. faecalis) in rectal swabs of patients undergoing transrectal prostate biopsy and for evaluating if risk factor assessment is reliable for prediction of QR bacteria, MDR bacteria, or E. faecalis.

    PATIENTS AND METHODS: Two hundred consecutive patients received a rectal swab examination prior to transrectal magnetic resonance imaging-guided fusion biopsy, for evaluating the prevalence of QR bacteria, MDR bacteria, and E. faecalis. The results of a standardized risk factor questionnaire, assessing known prognosticators for higher prevalence of resistant bacteria in rectal flora were correlated with the occurrence of QR bacteria, MDR bacteria, and E. faecalis in rectal swabs.

    RESULTS: QR E. coli was detected in 12 patients (6%). Regarding MDR bacteria, extended spectrum β- lactamase- producing E. coli occurred in 8 patients (4%). E. faecalis was found in 15 patients (7.5%). A total of 193 patients completed the risk factor questionnaire. Of those, 107 (53.2%) patients harbored no risk factors, while 86 (42.8%) had at least 1 risk factor, of which the most common was repeat biopsy. No association was found between any risk factor and occurrence of QR bacteria, MDR bacteria, or E. faecalis (P >.05).

    CONCLUSION: The prevalence of resistant germs in our cohort was lower compared to other series. Moreover, the rate of QR bacteria, MDR bacteria, or E. faecalis in rectal swabs was not reliably associated with risk factor assessment.

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  • info:eu-repo/semantics/restrictedAccess
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Forschungsinformationssystem des UKE

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