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The acquisition and outcome of ICU-acquired Clostridium difficile infection in a single centre in the UK
Chin Wee Ang, Graham Heyes, Paul Morrison, Bryan Carr
Summary
Background
The clinical course and outcome of Clostridium difficile infection (CDI) in the intensive care unit (ICU) setting have been reported in a small number of studies in the US and Canada . However, no such study has been reported in the UK. Therefore, we aimed to study the acquisition rate and outcome of ICU-acquired CDIs in our unit.
Method
Patient admissions to the ICU and nosocomial infection databases from April 2004 to April 2007 were reviewed to identify study groups, followed by retrospective case note review. Patients who acquired CDI prior to ICU admission were excluded.
Results
Sixty-two patients (31 males) who acquired CDI during their ICU stays were included in our study. The acquisition rate of CDI ranged from 1.52 to 4.78% per year. The median APACHE II score was 18, and the median interval between ICU admission and acquisition of CDI was 7days. The median ICU stay was 16days. Of the 62 patients, 13 (20.97%) died in the ICU. Of the 49 patients who were discharged, 41 were discharged ultimately from the hospital. Thus, the overall mortality attributable to CDI acquired in the ICU was 33.87%, compared to the average baseline mortality of 29% in our unit. Univariate analysis showed that increasing age (p=0.004), APACHE II score (p=0.007), and male gender (p=0.05) were significantly associated with ICU mortality in patients who acquired CDI in the ICU. Multivariate analysis showed that only increasing age (p=0.031; OR 1.141, CI 1.013–1.287) was significantly associated with higher ICU mortality.
Conclusion
Patients admitted to the ICU have a moderate risk of acquiring CDI. There is a small increase in mortality observed in patients who acquired CDI in the ICU. Increasing age is an independent predictor associated with mortality. |
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发表于 2008-11-20 20:09
发表于 2008-11-20 21:40