Evaluation of post-flexible cystoscopy urinary tract infection rates
Abstract
PURPOSE
The risk of urinary tract infection (UTI) development after flexible cystoscopy (FC) is not well described. It remains difficult to assess the role of pre-FC antimicrobial prophylaxis to reduce UTI risk.
METHODS
In fall 2017, the urology service at the Providence Veterans Affairs Medical Center implemented routine oral antimicrobial prophylaxis in its outpatient FC clinic. Outpatients were randomly selected for a retrospective chart review to compare patients who received pre-FC antimicrobials (cefuroxime 500 mg tablet or sulfamethoxazole/trimethoprim [800 mg/160 mg] tablet) and those who underwent FC prior to fall 2017 and did not receive prophylaxis. The primary outcome was presence of symptomatic UTI within 30 days post FC. Secondary outcomes included symptomatic UTI that met colony-forming unit (CFU)/mL guideline requirements, and UTI treatment received. Potential risk factors for UTI were also assessed.
RESULTS
A total of 296 patients were included in the final analysis: 139 who did not receive and 157 who received a prophylactic antimicrobial before FC. Rates of symptomatic UTI, symptomatic UTI meeting CFU/mL guideline requirements, and postprocedure treatment for UTI were similar with and without antimicrobial prophylaxis (2.5% vs 2.2% [P > 0.99], 1.9% vs 1.4% [P > 0.99], and 2.5% vs 4.3% [P = 0.53], respectively). The mean number of days from FC to the start of UTI treatment was 7.9 (range, 1-18 days). Age over 65 years was the only risk factor present in all…
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