Current status of indwelling urinary catheter utilization and catheter-associated urinary tract infection throughout hospital wards in Korea: A multicenter prospective observational study

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Abstract

To evaluate the frequency and appropriateness of indwelling urinary catheters (IUC) use and the incidence of catheter-associated urinary tract infections (CA-UTI), and explore the risk factors for CA-UTI in hospitals as a whole, we conducted a study. This study was divided into two parts; a point-prevalence study on Dec 12th 2012 and a prospective cohort study from Dec 13th 2012 to Jan 9th 2013 were performed in six hospitals in Korea. All hospitalized patients with newly-placed IUCs were enrolled and monitored weekly for 28 days after IUC placement. In the point-prevalence study, the IUCs were present in median 14.9/100 hospitalized patients (1Q 14, 3Q 16) across the six hospitals. In the prospective cohort study, the median IUC-days per patient was 5 (1Q 3, 3Q 10) and the median CA-UTI prevalence per 1,000 catheter days was 1.9 (1Q 0.7, 3Q 3.8) with significant inter-hospital variation. The proportion of patients with inappropriate IUC maintenance increased with number of IUC-days (8.5% on day 7, 9.4% on day 14, 16.3% on day 21, and 23.1% on day 28). Urinary output monitoring (23/36, 63.9%) was the most common indication for inappropriate use after 1 week of ICU placement. In multivariate analysis, IUC-days was significantly associated with the development of CA-UTI (odds ratio 1.122, 95% confidence interval 1.074–1.173, P< 0.001). IUC-days and CA-UTI rates vary between hospitals. IUC-days is a risk factor for CA-UTI, and is correlated with inappropriate use.

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Kim, B., Pai, H., Choi, W. S., Kim, Y., Kweon, K. T., Kim, H. A., … Kim, J. (2017). Current status of indwelling urinary catheter utilization and catheter-associated urinary tract infection throughout hospital wards in Korea: A multicenter prospective observational study. PLoS ONE, 12(10). https://doi.org/10.1371/journal.pone.0185369

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