Bacteriology of intraabdominal sepsis

Cases studied	759
Bacteriology
Aerobes only	132 (17)*
Anaerobes only	7 (1)*
Anaerobes plus aerobes	620 (82)*
Bacterial isolates	Number of isolates^¶
Aerobes	1256
Escherichia coli	306
Pseudomonas aeruginosa	121
Klebsiella	119
Other gram-negative bacilli	270
Enterococcus	277
Staphylococcus aureus	111
Other gram-positive cocci	62
Anaerobes	1187
Bacteroides species	443
Bacteroides fragilis	133
Clostridium species	306
Peptostreptococcus	220
Fusobacterium	35
Miscellaneous	116

* Number of isolates (percent).
¶ Numbers of isolates are greater than numbers of cases since the majority of cases had more than one microorganism isolated.

Data from Stone HH et al. Arch Surg 1983.

Graphic 79147 Version 5.0

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