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Original Article

Korean J healthc assoc Infect Control Prev 2015; 20(2): 37-48

Published online December 30, 2015 https://doi.org/10.14192/kjnic.2015.20.2.37

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

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Korean Nosocomial Infections Surveillance System, Intensive Care Unit Module Report: Data Summary from July 2012 through June 2013

Min Hyok Jeon1, Tae Hyong Kim1, Sung Ran Kim2, Hee Kyung Chun3, Su Ha Han1, Ji Hwan Bang4, Eun Suk Park5, Sun Young Jeong6, Joong Sik Eom7, Young Keun Kim8, Kil Yeon Lee2, Hee Jung Choi9, Hyo Youl Kim8, Kyung Mi Kim10, Joohon Sung11, Young Uh12, Hong Bin Kim13, Heoung-Soo Chung14, Jun-Wook Kwon14, Jun Hee Woo15, Korean Nosocomial Infections Surveillance System

Division of Infectious Diseases Soonchunhyang University College of Medicine1, Infection Control Office, Korea University Guro Hospital2, Seoul, Kyung Hee University School of Medicine, Kyung Hee Hospital3, Seoul, Division of Infectious Diseases, Seoul Metropolitan Boramae Hospital4, Seoul, Department of Infection Control, Severance Hospital5, Seoul, Department of Nursing, Konyang University College of Nursing6, Daejeon, Division of Infectious Diseases, Hallym University College of Medicine Kangdong Sacred Heart Hospital7, Seoul, Division of Infectious Diseases, Yonsei University Wonju College of Medicine, Wonju Sevrans Christian Hospital8, Wonju, Department of Internal Medicine, Ewha Womans University School of Medicine9, Seoul, The Catholic University of Korea College of Nursing10, Seoul, Seoul National University School of Public Health and Institution of Health and Environment11, Seoul, Department of Laboratory Medicine, Yonsei University Wonju College of Medicine, Wonju Sevrans Christian Hospital12, Wonju, Division of Infectious Diseases, Seoul National University College of Medicine, Bundang Hospital13, Seongnam, Korea Centers for Disease Control and Prevention14, Cheongju, Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine15, Seoul, Korea

Received: April 28, 2015; Revised: July 13, 2015; Accepted: November 26, 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

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Background: The Korean Society for Nosocomial Infection Control (KOSNIC) ran a surveillance system, called as Korean Nosocomial Infections Surveillance (KONIS), since July 2006. Here, we report the annual data of the intensive care unit (ICU) module of the system from July 2012 through June 2013.Methods: This is a prospective surveillance of nosocomial urinary tract infections (UTI), bloodstream infections (BSI), and pneumonia (PNEU) at 161 ICUs in 91 hospitals using the KONIS system. The nosocomial infection (NI) rate was calculated as the number of infections per 1,000 patient days or device days.Results: A total of 3,042 NIs were reported during the study period: 877 UTIs (854 cases were urinary catheter- associated), 1,272 BSIs (1,096 were central line-associated), and 893 PNEUs (526 cases were ventilator-associated). The rate of urinary catheter-associated UTIs (CAUTIs) was 1.26 cases per 1,000 device days (95% confidence interval; 1.18-1.34) and urinary catheter utilization ratio was 0.78 (0.779-0.781). The rate of central line-associated BSIs was 2.57 (2.42-2.72) and the utilization ratio was 0.49 (0.489-0.491). The rate of ventilator-associated PNEUs was 1.64 (1.50-1.78) and the utilization ratio was 0.37 (0.369-0.371). The urinary catheter utilization ratio was lower in the ICUs of hospitals with 400-699 beds than in those of hospitals with more than 900 beds; nevertheless, CAUTIs were more common in the hospitals with 400-699 beds. The central line-associated BSI (CLABSI) rate was lower in the study period than in the previous period of July 2011-June 2012 [2.57 (2.42-2.72) vs. 3.01 (2.84-3.19)].Conclusion: The CLABSI rates were lower in the study period than those in the previous years. CAUTIs were more common in the ICUs of hospitals with 400-699 beds than in those of larger hospitals.

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

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