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Incidence of healthcare-associated infections in a tertiary hospital in Beijing, China: results from a real-time surveillance system

Authors
  • Zhang, Yuzheng1
  • Du, Mingmei2
  • Johnston, Janice Mary1
  • Andres, Ellie Bostwick1
  • Suo, Jijiang2
  • Yao, Hongwu2
  • Huo, Rui3
  • Liu, Yunxi2
  • Fu, Qiang4, 5
  • 1 The University of Hong Kong, School of Public Health, Patrick Manson Building (North Wing), 7 Sassoon Road, Hong Kong, China , Hong Kong (China)
  • 2 Chinese PLA General Hospital, Department of Infection Management and Disease Control, No. 28 Fuxing Road, Haidian District, Beijing, China , Beijing (China)
  • 3 XingLin Information Technology Company, No. 57 Jianger Road, Binjiang District, Hangzhou, China , Hangzhou (China)
  • 4 China National Health Development Research Center, No.9 Chegongzhuang Street, Xicheng District, Beijing, China , Beijing (China)
  • 5 National Center for Healthcare Associated Infection Prevention and Control, Beijing, China , Beijing (China)
Type
Published Article
Journal
Antimicrobial Resistance & Infection Control
Publisher
BioMed Central
Publication Date
Aug 27, 2019
Volume
8
Issue
1
Identifiers
DOI: 10.1186/s13756-019-0582-7
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundTo quantify the five year incidence trend of all healthcare-associated infections (HAI) using a real-time HAI electronic surveillance system in a tertiary hospital in Beijing, China.MethodsThe real-time surveillance system scans the hospital’s electronic databases related to HAI (e.g. microbiological reports and antibiotics administration) to identify HAI cases. We conducted retrospective secondary analyses of the data exported from the surveillance system for inpatients with all types of HAIs from January 1st 2013 to December 31st 2017. Incidence of HAI is defined as the number of HAIs per 1000 patient-days. We modeled the incidence data using negative binomial regression.ResultsIn total, 23361 HAI cases were identified from 633990 patients, spanning 6242375 patient-days during the 5-year period. Overall, the adjusted five-year HAI incidence rate had a marginal reduction from 2013 (4.10 per 1000 patient days) to 2017 (3.62 per 1000 patient days). The incidence of respiratory tract infection decreased significantly. However, the incidence rate of bloodstream infections and surgical site infection increased significantly. Respiratory tract infection (43.80%) accounted for the most substantial proportion of HAIs, followed by bloodstream infections (15.74%), and urinary tract infection (12.69%). A summer peak in HAIs was detected among adult and elderly patients.ConclusionsThis study shows how continuous electronic incidence surveillance based on existing hospital electronic databases can provide a practical means of measuring hospital-wide HAI incidence. The estimated incidence trends demonstrate the necessity for improved infection control measures related to bloodstream infections, ventilator-associated pneumonia, non-intensive care patients, and non-device-associated HAIs, especially during summer months.

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