An overview necrotizing fasciitis
Necrotizing fasciitis is a necrotic infection of the skin's deep structures, including the underlying fascia. As a completely horrifying this disease is , it’s a rare disease .Necrotizing soft tissue infections are medically emergency , and the treatment requires a combination of surgical debridement of infected tissue and antibiotic therapy, the antibiotic therapy should be directed at streptococci pyogenes (S.pyogenes ) , methicillin-resistant staphylococcus aureus (MRSA) , and anaerobic and aerobic gram – negative rods, Necrotizing fasciitis has two classifications.; type I which is polymicrobial it caused by both anaerobic and aerobic bacteria ,following, diabetics and iner-abdominal surgery ,this type can cause a disease called Fournier gangrene which can be seen in male perineum , type II most often due to(S.pyogenes) and even by community acquired( MRSA) , it can also be caused by another type of bacteria for example ; vibrio vulnificus , aeromonas species , clostridium perfringes (1).
Necrotizing fasciitis is basically a decaying infection of the fascia (fascia is a sheath of connective tissue that cover the Muscles ) as well as any soft tissue , necrotizing fasciitis was firstly described as hospital gangrene by Joseph Jones . the causing agents were usually coagulase positive staphylococci or beta-hemolytic streptococci , it can also occur by gram negative organisms according to experiment that had been occur in parkland hospital the initial injury some occurs outside the hospital and some are post surgical and the location of the injury most common in the lower extremity but it also can happen in upper extremity , subcostal region , abdomen ,etc … Necrotizing fasciitis is a rare disease that has occurred in a large city-country hospital in two or three patients a year over the past 15 years. even though necrotizing fasciitis is a treatable disease, the mortality from this disease is high .