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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 ...
However, the most common way to get gas gangrene is through a traumatic injury. In the United States, there is only about 1000 cases of gas gangrene per year. When addressed with adequate care, gas gangrene has a mortality rate of 20-30% but has a mortality rate of 100% if left untreated. [66]
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
The greatest survival rates are typically seen in patients without pre-existing medical conditions, and with infection localized to the extremities. [4] Gas gangrene proceeds via disruption of blood flow to the infected site, resulting in diminished levels of oxygen and nutrients ultimately causing premature cell death and tissue necrosis. [9]
If gas gangrene is left untreated, then it can progress to bacteremia and progress to death. Mortality rates are particularly high for patients that present with shock and those that present with spontaneous gas gangrene infected with C. septicum. [31]
Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. [1] [2] [3] In necrotizing pneumonia, there is a substantial liquefaction following death of the lung tissue, which may lead to gangrene formation in the lung.
An estimated 700 million GAS infections occur worldwide each year. While the overall mortality rate for these infections is less than 0.1%, over 650,000 of the cases are severe and invasive, and these cases have a mortality rate of 25%. [4] Early recognition and treatment are critical; diagnostic failure can result in sepsis and death.
GAS is an important cause of puerperal fever worldwide, causing serious infection and, if not promptly diagnosed and treated, death in newly delivered mothers. Severe GAS disease may also occur in healthy persons with no known risk factors. All severe GAS infections may lead to shock, multisystem organ failure, and death. Early recognition and ...