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Korean J healthc assoc Infect Control Prev 2015; 20(2): 49-60

Published online December 30, 2015 https://doi.org/10.14192/kjnic.2015.20.2.49

Copyright © Korean Society for Healthcare-associated infection Control and Prevention

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Korean Nosocomial Infections Surveillance System, Intensive Care Unit Module Report: Summary of Data from July 2013 through June 2014

Yee Gyung Kwak1, Jun Yong Choi2, Hyeonmi Yoo3, Sang-Oh Lee4, Hong Bin Kim5, Su Ha Han6, Hee Jung Choi7, Young Keun Kim8, Sung Ran Kim9, Tae Hyong Kim10, Hyukmin Lee11, Hee Kyung Chun12, Jae-Seok Kim13, Byung Wook Eun14, Hyun-Sook Koo15, Eun Hee Cho15, Young Uh16, Kyungwon Lee17, Korean Nosocomial Infections Surveillance System

Department of Internal Medicine, Inje University Ilsan Paik Hospital1, Goyang, Department of Internal Medicine and AIDS Research Institute, Yonsei University College of Medicine2, Seoul, Infection Control Office, Inje University Sanggye Paik Hospital3, Seoul, Department of Infectious Diseases, Asan Medical Center, University of Ulsan college of Medicine4, Seoul, Department of Internal Medicine, Seoul National University College of Medicine5, Seoul, Department of Infection Prevention and Control, Soonchunhyang University Bucheon Hospital6, Bucheon, Department of Internal Medicine, Ewha Womans University School of Medicine7, Seoul, Department of Internal Medicine, Yonsei University Wonju College of Medicine8, Wonju, Infection Control Office, Korea University Guro Hospital9, Seoul, Department of Internal Medicine, Soonchunhyang University College of Medicine10, Seoul, Department of Laboratory Medicine, Catholic Kwandong University College of Medicine11, Incheon, Department of Infection Control, Kyunghee University Hospital12, Seoul, Department of Laboratory Medicine, Hallym University College of Medicine, Kangdong Sacred Heart Hospital13, Seoul, Department of Pediatrics, Eulji University School of Medicine, Eulji General Hospital14, Seoul, Division of Infectious Disease Control, Korea Centers for Disease Control and Prevention15, Osong, Department of Laboratory Medicine, Yonsei University Wonju College of Medicine16, Wonju, Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine17, Seoul, Korea

Received: May 20, 2015; Revised: October 19, 2015; Accepted: November 5, 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Background: In this report, we present the annual data of the intensive care unit (ICU) module of the Korean Nosocomial Infections Surveillance System (KONIS) from July 2013 through June 2014.Methods: We performed a prospective surveillance of nosocomial urinary tract infections (UTIs), bloodstream infections (BSIs), and pneumonia (PNEU) in 166 ICUs of 94 hospitals using the KONIS. Nosocomial infection (NI) rate was defined as the number of infections per 1,000 patient-days or device-days.Results: A total of 2,843 NIs were found during the study period: 861 UTIs (846 were urinary catheter-associated), 1,173 BSIs (1,021 were central line-associated), and 809 PNEUs (498 were ventilator-associated). The rate of urinary catheter-associated UTIs was 1.21 per 1,000 device-days (95% confidence interval [CI]=1.13-1.29), and the urinary catheter utilization ratio was 0.84 (95% CI=0.839-0.841). The rate of central line-associated BSIs was 2.33 per 1,000 device-days (95% CI=2.20-2.48), and the utilization ratio was 0.53 (95% CI=0.529-0.531). The rate of ventilator- associated PNEUs (VAPs) was 1.46 per 1,000 device-days (95% CI=1.34-1.60), and the utilization ratio was 0.41 (95% CI=0.409-0.411). In hospitals with more than 900 beds, although the ventilator utilization ratio was highest, the rate of VAPs was lower than in hospitals with 300-699 or 700-899 beds.Conclusion: BSIs were the most commonly reported nosocomial infections. Although device utilization ratios had increased, nosocomial infection rates did not differ significantly from those during the previous period (July 2012 through June 2013).

Keywords: Intensive care unit, KONIS, Korean Nosocomial Infections Surveillance System, Nosocomial infection

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