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Reduced Risk of Sepsis after Prostate Biopsy Using a Cephalosporin-Fluoroquinolone Antibiotic Regimen and Isopropyl Alcohol Needle Washing

Published:February 27, 2018DOI:https://doi.org/10.1016/j.urology.2018.02.012

      Objective

      To compare 3 prophylactic regimens to assess their impact on postbiopsy sepsis incidence.

      Methods

      Data were reviewed for 829 consecutive patients who underwent prostate biopsy in a community practice setting between January 2013 and October 2017. Group 1 patients received ciprofloxacin 500 mg two times a day orally for 4 days starting the day prior to biopsy and gentamicin 80 mg intramuscularly 20 minutes prior to biopsy. From April 2015 to October 2017, 2 groups of patients were followed in parallel in a randomized manner. Group 2 received ciprofloxacin 500 mg two times a day orally for 4 days starting the day prior to biopsy and ceftriaxone 1 g intramuscularly 20 minutes prior to biopsy. Group 3 received the same antibiotic regimen as group 2 and also underwent isopropyl alcohol needle washing.

      Results

      All study groups were demographically equivalent. Microscopic bacterial counts were substantially decreased after isopropyl alcohol needle washing. Incidence of postbiopsy sepsis in groups 1 (n = 313), 2 (n = 259), and 3 (n = 257) was 3.8%, 2%, and 0%, respectively (analysis of variance; P = .006). Risk factors for sepsis included elevated body mass index, Charlson Comorbidity Score, and presence of type 2 diabetes mellitus.

      Conclusion

      There was a significant reduction in the incidence of sepsis after prostate biopsy using a combination of a ciprofloxacin-ceftriaxone antibiotic regimen and isopropyl alcohol needle washing. The technique for needle washing is inexpensive and quick, and can be easily adopted into current biopsy protocols.
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