Clostridium Difficile

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
Digestion  


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

Glossary

Bacteria

Microscopic germs. Some bacteria are "harmful" and can cause disease, while other "friendly" bacteria protect the body from harmful invading organisms.

Intestinal Flora

The "friendly" bacteria present in the intestines that are essential for the digestion and metabolism of certain nutrients.

Colitis

Inflammation of the colon.

Diarrhea

Excessive discharge of contents of bowel.

Gastrointestinal

Pertaining to the stomach, small and large intestines, colon, rectum, liver, pancreas, and gallbladder.

Electrolyte

An element or compound that, when melted or dissolved in water or other solvent, breaks up into ions and is able to carry an electric current.

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