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Korean J healthc assoc Infect Control Prev 2014; 19(2): 52-63

Published online December 31, 2014 https://doi.org/10.14192/kjnic.2014.19.2.52

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 2011 through June 2012

Min Hyok Jeon1, Tae Hyong Kim2, Sung Ran Kim3, Hee Kyung Chun4, Su Ha Han5, Ji Hwan Bang6, Eun Suk Park7, Sun Young Jeong8, Joong Sik Eom9, Young Keun Kim10, Kil Yeon Lee11, Hee Jung Choi12,Hyo Youl Kim10, Kyung Mi Kim13, Joohon Sung14, Young Uh15, Hong Bin Kim16, Heoung-Soo Chung17,Jun-Wook Kwon17, Jun Hee Woo18, Korean Nosocomial Infection (KONIS)

Division of Infectious Diseases, Soonchunhyang University College of Medicine, Cheonan Hospital1, Cheonan, Division of Infectious Diseases, Soonchunhyang University College of Medicine, Seoul2, Infection Control Office, Korea University Guro Hospital3, Seoul, Infection Control Department, Kyung Hee University Medical Center4, Seoul, Infection Prevention and Control Team, Soonchunhyang University Bucheon Hospital5, Bucheon, Division of Infectious Diseases, Seoul Metropolitan Boramae Hospital6, Department of Infection Control, Severance Hospital7, Seoul, Department of Nursing, Konyang University College of Nursing, Daejeon8, Daejeon, Division of Infectious Diseases, Hallym University College of Medicine Kangdong Sacred Heart Hospital9, Seoul, Division of Infectious Diseases, Yonsei University Wonju College of Medicine, Wonju Sevrans Christian Hospital10, Wonju, Department of General Surgery, Kyung Hee University School of Medicine, Kyung Hee Hospital11, Department of Internal Medicine, Ewha Womans University School of Medicine12, Seoul, Department of Nursing, Semyung University13, Jecheon, Seoul National University School of Public Health and Institution of Health and Environment14, Seoul, Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju Sevrans Christian Hospital15, Wonju, Division of Infectious Diseases, Seoul National University College of Medicine, Bundang Hospital16, Seongnam, Korea Centers for Disease Control and Prevention17, Cheongju, Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine18, Seoul, Korea

Received: July 2, 2014; Revised: November 7, 2014; Accepted: November 25, 2014

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: This article reports annual data of intensive care units (ICU) module of the Korean Nosocomial Infections Surveillance (KONIS) system from July 2011 through June 2012.Methods: We performed a prospective surveillance of nosocomial urinary tract infections (UTI), bloodstream infections (BSI), and pneumonia (PNEU) at 143 ICUs in 81 hospitals using the KONIS system. Nosocomial infection (NI) rates were calculated as the number of infections per 1,000 patient days or device days. Asymptomatic bacteriuria was excluded on or after October 1, 2011.Results: A total of 3,374 NIs were found during the study period: 1,356 UTIs (1,336 cases were urinary catheter- associated), 1,253 BSIs (1,091 were central line-associated), and 765 PNEUs (481 were ventilator-associated). The rate of urinary catheter-associated UTIs (CAUTIs) was 2.26 cases per 1,000 device-days (95% confidence interval, 2.14-2.39) and urinary catheter utilization ratio was 0.85 (0.849-0.851). The rate of central line-associated BSIs was 3.01 (2.84-3.19) and the utilization ratio was 0.52 (0.519-0.521). The rate of ventilator-associated PNEUs (VAPs) was 1.70 (1.56-1.86) and the utilization ratio was 0.40 (0.399-0.401). Ventilator and urinary catheter utilization ratios were lower in the ICUs of hospitals with 400-699 beds than those in hospitals with 700-899 beds or more than 900 beds. Nevertheless, VAPs and CAUTIs were more common in hospitals with 400-699 beds.Conclusion: Nosocomial infection rates were similar to the findings of those of the previous period, July 2010-July 2011. Implementation of proven infection-control strategies are needed, especially in the hospitals having fewer than 700 beds.

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

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