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  • Title: Prevalence of Clostridium difficile infection in hospitalized patients with diarrhoea: Results of a Polish multicenter, prospective, biannual point-prevalence study.
    Author: Pituch H, Obuch-Woszczatyński P, Lachowicz D, Kuthan R, Dzierżanowska-Fangrat K, Mikucka A, Jermakow K, Pituch-Zdanowska A, Davies K, Polish EUCLID C. difficile Study Group.
    Journal: Adv Med Sci; 2018 Sep; 63(2):290-295. PubMed ID: 29665558.
    Abstract:
    PURPOSE: We aimed to measure the underdiagnosis of Clostridium difficile infection across Poland and the distribution of PCR-ribotypes of C. difficile. MATERIAL AND METHODS: Twenty seven Polish healthcare facilities (HCFs) participated in this prospective study. Each HCF systematically sent all diarrhoeal stools received from inpatients at their laboratories on two days (one in January 2013 and one in July 2013), independently of CDI test request, to the National Coordinating Laboratory (NCL) for standardized testing of CDI. Positive samples (using two-stage algorithm), had CDI, confirmed by qPCR and toxigenic culture. C. difficile isolates were characterized by PCR-ribotyping. Hospitals were questioned about their methods and testing policy for CDI during the study period: September 2011 to August 2013. RESULTS: During the study period, participating hospitals reported a mean of 33.2 tests for CDI per 10 000 patient-days and a mean of 8.4 cases of CDI per 10 000 patient-days. The overall prevalence of positive CDI patients at NCL was 16.5%. Due to absence of clinical suspicion, 19.1% of these patients were not diagnosed by the local diagnostic laboratory. We identified 23 different PCR-ribotypes among 87C. difficile strains isolated from patients. PCR-ribotype 027 (48%) was the most prevalent. CONCLUSIONS: The incidence of CDI in Poland in study period was very high. It should be noted however, that there is a lack of clinical suspicion and underestimation of the need to perform diagnostic tests for CDI in hospitalized patients. This will have an impact on the reported epidemiological status of CDI in Poland.
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