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Procedural povidone iodine rectal preparation reduces bacteriuria and bacteremia following prostate needle biopsy
Division of Urology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA
Aug 2017 (Vol. 24, Issue 4, Pages( 8883 - 8889)
PMID: 28832305

Abstract

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  • INTRODUCTION:

    To determine if a povidone iodine rectal preparation (PIRP) reduces rates of bacteriuria and bacteremia following transrectal ultrasound guided prostate needle biopsy (TRUS PNB).

    MATERIALS AND METHODS:

    Men undergoing TRUS PNB were prospectively enrolled in a study comparing the impact of PIRP versus standard of care (two pills of ciprofloxacin 500 mg). Urine, blood, and rectal cultures were obtained 30 minutes post-procedure with colony forming units (CFUs) determined after 48 hours. Patients were called 7 and 30 days post-procedure to evaluate for infections.

    RESULTS:

    A total of 150 men were accrued into this study including 95 receiving PIRP and 55 the standard of care. Two-thirds of patients were undergoing an initial biopsy, 19% used antibiotics within the previous 6 months, and median number of biopsy cores was 14. There were no differences between the two cohorts with respect to baseline or biopsy characteristics. In the PIRP cohort, rectal cultures before and after PIRP administration noted a 97.2% reduction in microorganism colonies (2.4 x 10 5 CFU/mL versus 6.7 x 10³CFU/mL, p < 0.001). Mean urine bacterial counts following TRUS PNB were 1 CFU/mL for PIRP versus 7 CFU/mL for standard cohort (p < 0.001). Mean serum bacterial counts following TRUS PNB were 0 CFU/mL for PIRP versus 3 CFU/mL for standard of care (p = 0.01). One patient in the PIRP cohort (1.1%) developed post-biopsy sepsis while 3 (5.5%) in the standard cohort had an infectious complication (1 UTI, 2 sepsis). CONCLUSION: A PIRP regimen reduced bacteruria and bacteremia following TRUS PNB.

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August 2017, Vol.24 No.4
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