Infectious complications of transrectal prostate biopsy in patients receiving targeted antibiotic prophylaxis after
Sotirios Gatsos1, Nikolaos Kalogeras2, Georgios Dimakopoulos3
1Department of Urology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece.
Background:
To evaluate the role of targeted antibiotic prophylaxis (TAP) after rectal and urethral swab cultures compared to empiric antibiotic prophylaxis (EAP) for the prevention of infectious complications after transrectal ultrasound-guided prostate biopsy (TRUS-Bx).
Methods:
We conducted a prospective comparative study on 141 patients who underwent TRUS-Bx and were allocated in two groups. The first group (n = 71) received EAP with ciprofloxacin and the second (n = 70) received TAP according to rectal and urethral cultures. Post-biopsy infectious complications rates were compared between the two groups. Fluoroquinolone resistance (FQ-R) in the urethral and rectal swabs was recorded. Baseline characteristics were analyzed to assess their relationship with infectious complications and antibiotic resistance.
Results:
A total of 8 infectious complications were observed, 7 of them in the EAP group (9.85%) and 1 in the TAP group (1.4%). There was a statistically significant difference in febrile UTIs between the two groups (6 vs 0, P = 0.028). FQ-R rate was 4.3% and 12.9% for rectal and urethral samples, respectively. Recent antibiotic exposure was associated with higher post-biopsy infection rates for EAP group and FQ-R rates for TAP group.
Conclusion:
Combination of rectal and urethral swab cultures for TAP was able to detect FQ-R bacteria carriers and was associated with fewer infectious complications compared to EAP.
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