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  • Title: Local treatment of generalised peritonitis in rats; effects on bacteria, endotoxin and mortality.
    Author: Rosman C, Westerveld GJ, Kooi K, Bleichrodt RP.
    Journal: Eur J Surg; 1999 Nov; 165(11):1072-9. PubMed ID: 10595613.
    Abstract:
    OBJECTIVE: To assess the effect of debridement, intraoperative lavage with saline, and additional instillation of taurolidine or imipenem/cilastatin in rats with faecal peritonitis. DESIGN: Laboratory study. SETTING: University hospital, The Netherlands. MATERIAL: 60 male Wistar rats. INTERVENTIONS: Rats were given an intraperitoneal injection of a faecal suspension containing Escherichia coli and Bacteroides fragilis. Six groups of 10: sham operation, debridement, debridement with saline lavage, debridement with saline lavage with intraperitoneal instillation of saline or taurolidine, or imipenem/cilastatin, were studied. MAIN OUTCOME MEASURES: Bacterial growth and endotoxin concentration in abdominal exudate and plasma, abscess formation, and mortality. RESULTS: Debridement temporarily reduced bacterial growth and the concentration of endotoxin in abdominal exudate, and delayed mortality. Lavage with saline further reduced bacterial growth and the endotoxin concentration. It also reduced the plasma endotoxin concentration, and mortality. Additional instillation of taurolidine did not reduce bacterial growth, but did initially reduce the endotoxin concentration in abdominal exudate and plasma. Instillation of imipenem/cilastatin, after debridement and lavage, significantly reduced all variables measured. CONCLUSION: In rats with faecal peritonitis, debridement, lavage with saline, and additional instillation of imipenem/cilastatin, all have cumulatively reducing effect on bacterial growth, endotoxin concentrations, abscess formation, and mortality. Instillation of taurolidine reduces only the amount of endotoxin.
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