Secondary peritonitis pathophysiology
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Shivani Chaparala M.B.B.S [2]
Overview
Pathophysiology
- Bacteria can reach the peritoneal cavity by a variety of pathologic processes:
- Transmural inflammation with luminal obstruction,
- Perforation of the GI tract, and
- Intestinal ischemia.
- The initial inoculum of bacteria is determined by the normal flora in the involved portion of the GI tract.
Flora
- Aerobes such as Escherichia coli and Enterococci, Anaerobes such as Bacteroides fragilis and Clostridium, Fungi such as Candida predominate.