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P216: Blood culture contamination as an indicator of hand hygiene compliance

Antimicrobial Resistance and Infection Control
Springer (Biomed Central Ltd.)
Publication Date
DOI: 10.1186/2047-2994-2-s1-p216
  • Poster Presentation


P216: Blood culture contamination as an indicator of hand hygiene compliance POSTER PRESENTATION Open Access P216: Blood culture contamination as an indicator of hand hygiene compliance M-N Chraiti*, W Zingg, A Gayet-Ageron, D Pittet From 2nd International Conference on Prevention and Infection Control (ICPIC 2013) Geneva, Switzerland. 25-28 June 2013 Introduction Hand hygiene (HH) monitoring by direct observation is the gold standard for compliance measure but is highly resource consuming. Indirect indicators could help to overcome resource constraints that are identified as a major obstacle to evaluate and feedback on HH practices. HH compliance may impact on blood culture contamina- tion (BCC) rate. Objectives The objective of the study was to explore the association between HH compliance and BCC in a university affiliated tertiary care hospital. Methods Ecological study combining prospective laboratory-based surveillance of bacteraemia and repeated direct HH observation over a study period of 15 consecutive quar- ters between 2009 and 2012. Each positive blood culture result was checked for aetiology using patient chart and laboratory data. HH compliance observations were con- ducted among all healthcare workers based on the World Health Organization HH guidelines. Probable BCC and nurse HH compliance were included in the analysis. Sub analysis included data from the intensive care unit (ICU) and the emergency room (ER). Results In total, 5388 positive blood culture episodes were identi- fied, of which 677 (12.6%) were BCC, mainly due to skin contaminants (91%). 154 (22.7%) and 217 (32.1%) were attributed to ICU and ER, respectively. A significant trend towards less BCC was found in the ICU (IRR [95%CI]: 0.96 [0.93-0.99]; P=0.047). A total of 13,393 HH opportu- nities were observed in the hospital, 1882 in the ICU, and 379 in the ER. The total numbers of HH opportunities before an aseptic task for hospital, ICU, and ER were 2558, 352, and 62, respectively. Average (ra

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