Necrotizing soft tissue infection

Question 1

Characterized by rapid progression of infection with extensive necrosis of soft tissues and overlying skin

Answer 1

Necrotizing soft tissue infection

Question 2

Etiology

Answer 2

polymicrobial, historically beta-hemolytic GAS.

Also P. Aeruginosa, Clostridium

Question 3

Portal of entry

Answer 3

non penetrating minor trauma, mintor truama

Question 4

Clinical manifestation

Answer 4

Local redness, edema, warmth, pain in the involved site, typically on an extremity.
Characteristic findings appear within 36 to
72 hours after onset: Involved soft tissue becomes dusky blue in color; vesicles or bullae appear.
Infection spreads rapidly along fascial planes .Extensive,cutaneous soft tissue necrosis develops. Involved tissue may be anesthetic. Necrosis mani ests as a black eschar with surrounding irregular border or erythema.

Question 5

Treatment

Answer 5

surgical debridement