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Gas gangreneX (also known as clostridial myonecrosis [1]) is a bacterial infection that produces tissue gas in gangrene. This deadly form of gangrene usually is caused by Clostridium perfringens bacteria. About 1,000 cases of gas gangrene are reported yearly in the United States. [2] Myonecrosis is a condition of necrotic damage, specific to ...
Gas gangrene is a bacterial infection that produces gas within tissues. It can be caused by Clostridium , most commonly alpha toxin -producing C. perfringens , or various nonclostridial species. [ 11 ] [ 21 ] Infection spreads rapidly as the gases produced by the bacteria expand and infiltrate healthy tissue in the vicinity.
Clostridium perfringens is the most common bacterial agent for gas gangrene. [45] Gas gangrene is induced by α-toxin that embeds itself into the plasma membrane of cells and disrupts normal cellular function by altering membrane structure. [8] Some symptoms include blisters, tachycardia, swelling, and jaundice. [45]
Note the tense wall indicative of gas under pressure and volvulus. Bowel infarction or gangrenous bowel represents an irreversible injury to the intestine resulting from insufficient blood flow. It is considered a medical emergency because it can quickly result in life-threatening infection and death. [ 1 ]
Clostridium is a genus of anaerobic, Gram-positive bacteria.Species of Clostridium inhabit soils and the intestinal tracts of animals, including humans. [1] This genus includes several significant human pathogens, including the causative agents of botulism and tetanus.
Hathewaya histolytica can cause gas gangrene, an acute infection of pain, fever, myonecrosis, and massive edema. If not controlled, the infection can result in systemic toxemia, multiorgan failure, and even death. Further, this infection can progress to life-threatening in a matter of hours. [11]
Focal infection theory is the historical concept that many chronic diseases, including systemic and common ones, are caused by focal infections. In present medical consensus, a focal infection is a localized infection, often asymptomatic, that causes disease elsewhere in the host, but focal infections are fairly infrequent and limited to fairly uncommon diseases. [1]
This toxin has been shown to be the key virulence factor in infection with C. perfringens; the bacterium is unable to cause disease without this toxin. [1] Further, vaccination against the alpha toxin toxoid protects mice against C. perfringens gas gangrene. [2]