What is the mortality rate in uncomplicated secondary peritonitis (SP)?

Updated: Jul 23, 2019
  • Author: Brian J Daley, MD, MBA, FACS, FCCP, CNSC; Chief Editor: Praveen K Roy, MD, AGAF  more...
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Answer

Uncomplicated SP and simple abscesses carry a mortality rate of less than 5%, but this rate may increase to greater than 30-50% in severe infections. The overall mortality rate related to intra-abdominal abscess formation is less than 10-20%. Factors that independently predict worse outcomes include advanced age, malnutrition, presence of cancer, a high APACHE II score on presentation, preoperative organ dysfunction, the presence of complex abscesses, and failure to improve in less than 24-72 hours after adequate therapy.


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