Journal of Antimicrobial Chemotherapy, Vol 41, 29-40, Copyright © 1998 by The British Society for Antimicrobial Chemotherapy
JS Brazier
There are well-documented risk factors associated with the development of
antibiotic-associated diarrhoea; knowledge of these and of the typical
signs and symptoms should alert the clinician to the possibility of
Clostridium difficile-associated diarrhoea (CDAD). It is therefore common
practice in large general hospitals for clinicians to request, and for
laboratories to include, investigations for C. difficile on in-patient
stool specimens to confirm a diagnosis of CDAD. The laboratory methods used
to investigate for CDAD are divided into two main categories: those that
are aimed at detecting the presence of C. difficile or its products, and
those that detect either of its two major toxins, A (enterotoxin) and B
(cytotoxin). Within each of these broad strategies there are various
rationales which are reviewed here.
ORIGINAL ARTICLES
The diagnosis of Clostridium difficile-associated disease
Anaerobe Reference Unit, Public Health Laboratory, University Hospital of Wales, Heath Park, Cardiff, UK.
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