Summary

PLoS One. 2014 Aug 29;9(8):e106102. doi: 10.1371/journal.pone.0106102. eCollection 2014.

Evaluation of an automated rapid diagnostic test for detection of Clostridium difficile.

Abstract:

The Verigene Clostridium difficile Nucleic Acid Test (Verigene CDF Test) (Nanosphere, Northbrook, IL, USA) is a new multiplex qualitative polymerase chain reaction (PCR) test used to detect C. difficile toxin genes in fecal specimens. To evaluate the performance of the new method, we tested 69 fecal samples from patients with suspected C. difficile infection using the Verigene CDF test, an enzyme immunoassay (EIA) and PCR following anaerobic fecal culture. The sensitivity, specificity, and accuracy of the Verigene CDF test were 96.7% (29/30), 97.4% (38/39), and 97.1% (67/69) respectively, using PCR following fecal culture as a reference method. We also analyzed the potential clinical impact of the Verigene CDF test using chart reviews of the 69 patients with suspected C. difficile infection and found that 11 of the 69 patients were incorrectly diagnosed, and the Verigene CDF test would have led to them receiving more appropriate management including practice of treatment and contact precaution, although, of the 69 patients, there are two whose samples were incorrectly identified with the Verigene CDF test. The Verigene CDF test will have a positive impact on patient care.

日本語要旨:

PMID:  25170836

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