Epidemiology of pathogens and antimicrobial resistanceof catheter-associated urinary tract infections in intensivecare units: A systematic review and meta-analysis

American Journal of Infection Control
Dan PengYingli Li

Abstract

In the intensive care unit (ICU), catheter-associated urinary tract infection (CAUTI) is the most common urinary tract infection. Nevertheless, there is no systematic review to investigate the epidemiology of pathogens and antimicrobial resistance of CAUTIs in ICUs. Eight electronic databases were searched for eligible studies. A meta-analysis was performed to calculate the CAUTI incidence per 1,000 catheter days, the proportion of pathogen distribution, and the resistance rate with R3.3.2 software. Seventy-five studies were included. The total weighted CAUTI incidence per 1,000 catheter days was 7.78. Gram-negative bacteria (47.46%), fungi (27.81%), and gram-positive bacteria (19.06%) were isolated. Candida spp (27.4%), Escherichia spp (23.41%), and Enterococcus spp (15.0%) were the most frequent pathogens. Candida albicans, Candida tropicalis, and Candida glabrata were generally resistant to itraconazole, with resistance rates of 42.5%, 53.0%, and 59.7%, respectively. Escherichia spp displayed high rates of resistance to ampicillin (87.3%), ciprofloxacin (71.7%), and norfloxacin (71.2%). Enterococcus spp showed high rates of resistance to erythromycin (83.9%), penicillin (76.7%), and levofloxacin (73.8%). In ICUs, the CAUTI i...Continue Reading

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