Korean J healthc assoc Infect Control Prev.  2021 Dec;26(2):115-128. 10.14192/kjicp.2021.26.2.115.

Korean National Healthcare-associated Infections Surveillance System, Intensive Care Unit Module Report: Summary of Data from July 2019 through June 2020

• Kim EJ
• Kwak YG
• Kwak SH
• Ko SH
• Kweon OM
• Kim ES
• Kim JH
• Kim TH
• Kim TS
• Moon HW
• Park SH
• Ahn JY
• Yoo SY
• Yoo HM
• Lee SO
• Cho NH
• Choe PG
• Hong KH
• Lee YM
• Lee MS

• KMID: 2523610
• DOI: http://doi.org/10.14192/kjicp.2021.26.2.115

Abstract

Background
This report presents the annual data of the intensive care unit (ICU) module of the Korean National Healthcare-associated Infections Surveillance System (KONIS) between July 2019 and June 2020.
Methods
We performed prospective surveillance of healthcare-associated infections (HAI), including urinary tract infections (UTIs), bloodstream infections (BSIs), and pneumonia (PNEU), at 340 ICUs in 256 hospitals using the KONIS database. HAI and device-associated infection (DAI) rates were calculated as the number of infections per 1,000 patient-days (PD) and device-days (DD), respectively. Device utilization was calculated as the ratio (DUR) of device to patient days.
Results
A total of 4,489 HAIs were found during the study period: 1,646 UTIs (1,597 cases were urinary catheter-associated); 1,964 BSIs (1,695 were central line-associated); and 879 PNEUs (470 were ventilator-associated). The rate of urinary catheter-associated UTIs (CAUTI) was 1.26/1,000 DD (95% confidence interval [CI] 1.20-1.32), whereas the urinary catheter utilization ratio was 0.80 (95% CI, 0.799-0.801). The rate of central line-associated BSIs was 2.16/1,000 DD (95% CI 2.06-2.26), whereas the central line utilization ratio was 0.50 (95% CI 0.499-0.501). The rate of ventilator-associated PNEUs was 0.93/1,000 DD (95% CI 0.85-1.02), whereas the ventilator utilization ratio was 0.32 (95% CI 0.319-0.321).
Conclusion
The overall DAI rate was similar to that in the previous year. In particular, the device utilization ratios were reduced. Continuous surveillance prevented an increase in the infection rate and led to a decrease in device use. A continuous infection surveillance system can reduce the infection rate.

Keyword

Korean National Healthcare-associated Infections Surveillance System; KONIS; Intensive care unit; Healthcare-associated infection

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