Intra-abdominal infections; brief notes

Peritonitis may be primary, secondary or tertiary

Primary
Spontaneous bacterial peritonitis
Monomicrobial; commonly E. coli or klebsiella
Managed medically with antibiotics.

Secondary
Extension of infection from intra-abdominal structures
ie common surgical problem; polymicrobial and requires source control
- E coli, klebsiella, bacteroides fragilis,
- bacterial resistance becomming problematic; enterobactera, pseudomonas.

Tertiary
Immunocompromised pts
Recurrent or persistent infections fail to clear despite adequate therapy.