Isepamicin alone as antimicrobial prophylaxis for transrectal prostate needle biopsy: "Do we still need levofloxacin?

Hiroki Yamada1, Kojiro Tashiro1, Yusuke Takahashi1

  • 1Department of Urology, The Jikei University Katsushika Medical Center, 6-41-2 Aoto, Katsushika-ku, Tokyo, 125-8506, Japan.

Insights

Conventional levofloxacin (LVFX) may be unnecessary for prostate biopsies. A study found intravenous isepamicin alone effectively prevented infections, even in high-risk patients, suggesting optimized antibiotic use.

Area of Science:

  • Urology
  • Infectious Diseases
  • Pharmacology

Background:

  • Increasing levofloxacin (LVFX)-resistant Escherichia coli necessitates evaluating antibiotic prophylaxis for transrectal ultrasound-guided prostate needle biopsy (TRP-Bx).
  • Optimizing antibiotic use is crucial to combat resistance and improve patient outcomes.

Purpose of the Study:

  • To determine if conventional prophylactic levofloxacin (LVFX) is required for transrectal ultrasound-guided prostate needle biopsy (TRP-Bx).
  • To assess the efficacy of intravenous isepamicin (ISP) alone versus combined LVFX and ISP for preventing TRP-Bx-related infections.

Main Methods:

  • A comparative study of 636 patients undergoing TRP-Bx, divided into two groups: Group 1 (oral LVFX + IV ISP) and Group 2 (IV ISP only).
  • Inclusion of a high-risk subgroup with factors like large prostate, dysuria, diabetes, or steroid use.
  • Monitoring for febrile genitourinary tract infections (fGUTIs) post-biopsy.

Main Results:

  • No significant difference in fGUTI rates between the two groups (0.3% vs. 0.6%).
  • Febrile genitourinary tract infections (fGUTIs) occurred in only 0.5% of all patients.
  • Intravenous isepamicin (ISP) alone was effective in preventing fGUTIs in both low- and high-risk patients.

Conclusions:

  • Single-dose intravenous isepamicin (ISP) 400 mg appears sufficient for preventing TRP-Bx-related fGUTIs.
  • Conventional levofloxacin (LVFX) prophylaxis may be unnecessary, supporting more judicious antibiotic use in prostate biopsy procedures.

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