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Discovery of chemical profiles for infectious diarrhea

Academics have found, for the first time, smells from healthy faeces and people with infectious diarrhoea differ significantly in their chemical composition and could be used to diagnose quickly diseases such as Clostridium difficile (C. Diff.).

It is hoped the discovery of these chemical profiles will lead to the development of a device capable of rapid diagnosis at the bedside, saving both time and money.

The study, published online in The FASEB Journal, is the result of a joint collaboration between Dr Chris Probert, Consultant and Reader in Gastroenterology at Bristol University and Professor Norman Ratcliffe at the University of the West of England.

For a long time it has been known that stools have distinctive and different odours if there is an infection. What the researchers have done is to take this 'knowledge' a step further by analysing the odour of healthy donors and patients with gastrointestional disease to see if precise chemical profiles can be established.

The researchers compared faeces of healthy donors together with patients with ulcerative colitis, Campylobacter jejuni and Clostridium difficile (C. Diff.) and found their chemical composition were each significantly different.

The next stage of the academics research is to develop a prototype rapid diagnosis device able to be operated by healthcare staff at all levels.

Dr Chris Probert said: "The discovery of chemical profiles is a major step forward in the diagnosis and treatment of people with gastrointestinal disease. Early treatment of Clostridium difficile means patients have a much better chance of survival and fewer complications. However, at present the average length of time taken to diagnose the condition is eight days. "

Two of the most common types of infectious diarrhoea are Campylobacter jejuni and Clostridium difficile (C. Diff.). Although less well known than the MRSA superbug, C. Diff. is just as ser
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Contact: Joanne Fryer
joanne.fryer@bristol.ac.uk
44-117-331-7276
University of Bristol
26-Feb-2007


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