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Factors affecting mortality in generalized postoperative peritonitis: multivariate analysis in 96 patients
Stefaan Mulier1, Freddy Penninckx, Charles Verwaest
1Department of Abdominal Surgery, University Clinic Gasthuisberg, Herestraat 49, B-3000, Leuven, Belgium.
World Journal of Surgery
|March 27, 2003
Summary
High mortality from generalized postoperative peritonitis is linked to factors like older age and unconsciousness. Early, planned relaparotomy improves septic source control and reduces mortality, especially in fecal peritonitis cases.
Area of Science:
- Surgical critical care
- Abdominal surgery
- Infectious disease
Background:
- Generalized postoperative peritonitis carries a high mortality rate (22-55%).
- Identifying prognostic factors is crucial for improving patient outcomes.
Purpose of the Study:
- To identify prognostic factors for mortality in generalized postoperative peritonitis.
- To evaluate the impact of relaparotomy strategies on septic source control and mortality.
Main Methods:
- Univariate and multivariate analysis of 96 consecutive patients.
- Comparison of planned relaparotomy (PR) versus on-demand relaparotomy (ODR) strategies.
Main Results:
- Multivariate analysis identified inability to clear infection, inability to control septic source, older age, and unconsciousness as significant mortality factors.
- Failure to control peritoneal infection or the septic source was always fatal.
- Planned relaparotomy (PR) demonstrated superior septic source control and significantly lower mortality (0%) compared to on-demand relaparotomy (ODR) (64%) in patients without immediate source control.
Conclusions:
- Early relaparotomy is essential for improved septic source control in generalized postoperative peritonitis.
- A planned relaparotomy (PR) strategy is recommended when septic source control is uncertain, particularly for fecal peritonitis.
- On-demand relaparotomy (ODR) may be adequate for purulent and biliary peritonitis with confirmed septic source control.