Should We Use Antibiotic Prophylaxis for Flexible Cystoscopy? A Systematic Review and Meta-Analysis

UROLOGIA INTERNATIONALIS(2015)

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Abstract
Introduction: The role of antibiotic prophylaxis for routine flexible cystoscopy (FC) is not clear due to the varying practices of individual clinicians. There are no formal guidelines, and this may be due to a lack of formal summary of the data. Methods: A systematic review was conducted in April 2014 including all randomised control trials on prophylactic antibiotic use for FC. The main outcome measures were confirmed bacteriuria on mid-stream urine (MSU), asymptomatic bacteriuria and symptomatic bacteriuria. A meta-analysis was conducted with difference between groups expressed as an odds ratio (OR) and control group risk. Results: 5,107 patients were included, 2,173 in placebo and 2,934 in the antibiotic group. The OR for all three outcomes favoured the antibiotic group; the risk of developing symptomatic bacteriuria was 0.06 times more likely in the control group (OR 0.34), 0.054 (OR 0.40) for developing asymptomatic bacteriuria and 0.109 for confirming bacteriuria on MSU (OR 0.36). The number needed to treat (NNT) was 15 (13-19) for MSU positive bacteriuria; 32 (27-42) for symptomatic bacteriuria and 26 (23-33) for asymptomatic bacteriuria. Conclusions: Antibiotic prophylaxis did confer a reduction in cases of symptomatic and asymptomatic bacteriuria but the NNT were high. Therefore, the authors cannot advocate the use of antibiotic prophylaxis for routine FC procedures. (C) 2015 S. Karger AG, Basel
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Key words
Antibiotic prophylaxis,Flexible cystoscopy,Urinary tract infection
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