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  Clostridium Difficile  
 
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Signs, symptoms and indicators | Conditions that suggest it | Contributing risk factors

 

Clostridium difficile (CD) bacteria which can be part of the normal intestinal flora in as many as 50% of children under age two, and less frequently in individuals over two years of age. C. difficile is the major cause of pseudomembranous colitis and antibiotic associated diarrhea. CD-associated disease occurs when the normal intestinal flora is altered, allowing it to flourish in the intestinal tract and produce a toxin that causes a watery diarrhea. Repeated enemas, prolonged nasogastric tube insertion and gastrointestinal tract surgery increase a person's risk of developing the disease. The overuse of antibiotics, especially penicillin (ampicillin), clindamycin and cephalosporins may also alter the normal intestinal flora and increase the risk of developing CD diarrhea.

CD diarrhea is confirmed by the presence of a toxin in a stool specimen. A positive culture for CD without a toxin assay is not sufficient to make the diagnosis of CD- associated disease. Endoscopic findings are useful in diagnosis of pseudomembranous colitis.

Individuals with CD-associated disease shed spores in the stool that can be spread from person to person. Spores can survive up to 70 days in the environment and can be transported on the hands of health care personnel who have direct contact with infected patients or with environmental surfaces (floors, bedpans, toilets etc.) contaminated with CD.

Strict adherence to hand washing techniques and the proper handling of contaminated wastes (including diapers) are effective in preventing the spread of the disease. Environmental surfaces contaminated with C. difficile spores should be cleaned with an effective disinfectant, like bleach. Limiting the use of antibiotics will lower the risk of developing CD diarrhea.

In three reports released Dec. 2005 by the CDC and the New England Journal of Medicine, researchers identified the strain responsible for the Quebec cases (where 200+ died during an outbreak in 2003), determined that the same strain is present throughout the United States, and described other cases outside of hospitals. Taken together, the research indicates that the bacteria poses a widening health problem, researchers said.

"There is a new strain of Clostridium difficile that is causing epidemics in many hospitals in the United States," said John G. Bartlett of Johns Hopkins University School of Medicine in Baltimore, who co-wrote an editorial in the journal.

Conventional treatment
As soon as CD disease is diagnosed, any current antibiotic therapy should be reassessed. Patients with severe toxicity or unresolved diarrhea may need to have their antibiotic treatment modified to use drugs not known to result in CD diarrhea. Patients should be monitored for dehydration and electrolyte imbalance following prolonged bouts of diarrhea. Antidiarrheal agents such as Lomotil or Imodium have been shown to increase the severity of symptoms and should not be taken.
 

 
 

Signs, symptoms & indicators of Clostridium Difficile:
 
 
Symptoms - Bowel Movements  Offensive stool
  Mucous in stools
 More severe symptoms of CD (indicative of pseudomembranous colitis) include diarrhea that contains blood and mucous, and abdominal cramps.

  Significant/frequent blood in stools
  Regular/frequent painful urge to defecate
 
 

Conditions that suggest Clostridium Difficile:
 
 
Circulation  Arrhythmias/Dysrhythmias
 An abnormal heart rhythm may occur in serious cases of Clostridium difficile infection.

Digestion

  Diarrhea
 Mild cases of C. difficile disease are characterized by frequent, foul smelling, watery stools.


Counter-indicators:
  Constipation

Symptoms - Gas-Int - Conditions

  (Possible) C difficile infection
 
 

Risk factors for Clostridium Difficile:
 
 
Symptoms - Gas-Int - Conditions  History of C difficile infection
 
 


KEY
Weak or unproven link
Strong or generally accepted link
Proven definite or direct link
Strongly counter-indicative