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Rapid and reliable diagnostic algorithm for detection of Clostridium difficile

J Clin Microbiol. 2008 Jan;46(1):328-30. doi: 10.1128/JCM.01503-07. Epub 2007 Nov 21.

Abstract

We evaluated a two-step algorithm for detection of Clostridium difficile in 1,468 stool specimens. First, specimens were screened by an immunoassay for C. difficile glutamate dehydrogenase antigen (C.DIFF CHEK-60). Second, screen-positive specimens underwent toxin testing by a rapid toxin A/B assay (TOX A/B QUIK CHEK); toxin-negative specimens were subjected to stool culture. This algorithm allowed final results for 92% of specimens with a turnaround time of 4 h.

MeSH terms

  • Adult
  • Algorithms
  • Antigens, Bacterial / analysis
  • Bacterial Toxins / analysis
  • Bacteriological Techniques / methods*
  • Clostridioides difficile / isolation & purification*
  • Enterocolitis, Pseudomembranous / diagnosis*
  • Enterotoxins / analysis
  • Feces / chemistry
  • Feces / microbiology
  • Glutamate Dehydrogenase / analysis
  • Humans
  • Immunoassay / methods*

Substances

  • Antigens, Bacterial
  • Bacterial Toxins
  • Clostridium difficile lethal toxin B
  • Enterotoxins
  • tcdA protein, Clostridium difficile
  • Glutamate Dehydrogenase