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Journal of Hospital Infection
Volume 70, Issue 4, December 2008, Pages 298-304
Review Meta-analysis to assess risk factors for recurrent Clostridium difficile infection
Meta分析和评价复发性艰难梭菌感染的风险因素
K.W. Gareya, b, , , S. Sethic, Y. Yadavb, c and H.L. DuPontb, c, d
aUniversity of Houston College of Pharmacy, Houston, TX, USA
bSt Luke's Episcopal Hospital, Houston, TX, USA
cUniversity of Texas School of Public Health, Houston, TX, USA
dBaylor College of Medicine, Houston, TX, USA
Available online 31 October 2008.
SummaryClostridium difficile infection (CDI) is the most common cause of hospital-acquired diarrhoea. It is estimated that 15–20% of patients experience recurrence of CDI. A limited number of studies have looked at the risk factors for recurrent CDI. We conducted a meta-analysis of observational studies and randomised controlled trials (RCTs) to assess risk factors for recurrent CDI. Studies were identified using the PubMed database and search terms ‘Clostridium difficile associated diarrhoea’ or ‘pseudomembranous colitis’. Both observational studies and RCTs were included. In all, 1215 studies were identified of which 48 met the inclusion criteria. Twelve studies involving 1382 patients with CDI met the complete eligibility requirements. Odds ratios and information on study quality were abstracted by two investigators independently. To be included in the analysis, each risk factor was required to be evaluated by at least three separate studies. Continued use of non-C. difficile antibiotics after diagnosis of CDI (OR: 4.23; 95% CI: 2.10–8.55; P < 0.001), concomitant receipt of antacid medications (OR: 2.15; 95% CI: 1.13–4.08; P = 0.019), and older age (OR: 1.62; 95% CI: 1.11–2.36; P = 0.0012) were significantly associated with increased risk of recurrent CDI. Significant prognostic risk factors were identified as risk factors for CDI recurrence. Additional or novel interventions may be required for these patients to prevent CDI recurrence.
Keywords: Clostridium difficile; Meta-analysis; Recurrent C. difficile; Risk factors
Meta-analysis to assess risk factors for recurrent Clostridium difficile infection .pdf
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