ArticleInternational journal of colorectal disease2007
Tissue-type plasminogen activator prevents formation of intra-abdominal abscesses after surgical treatment of secondary peritonitis in a rat model.
Article in International journal of colorectal disease, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 2 institutions in 1 country.
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Abstract
backgroundOptimal therapy of secondary peritonitis frequently results in the formation of residual abscesses, which bear a substantial mortality and morbidity. This study aims to prove that fibrinolytic therapy with recombinant tissue plasminogen activator (rtPA) can reduce abscess formation after surgical treatment of secondary peritonitis in a rat model, without causing unwanted side effects. MATERIALS AND
methodsMale Wistar rats received an intra-abdominal injection with a suspension of sterile feces, 10(5) cfu Escherichia coli and 10(4) cfu Bacteroides fragilis. Surgical debridement was performed 1 h after inoculation. Animals were randomized into four groups (n = 14 each). Three groups received human rtPA at 1 h (rtPA1); 1 h and 6 h (rtPA2); and 1, 6, and 24 h (rtPA3), respectively. Each dose contained 1.25 mg rtPA. Controls received saline only. Animals were killed after 5 days.
resultsrtPA treatment reduced abscess formation in surviving animals, depending on number of doses given. Animals in group rtPA3 had no abscesses in contrast to 88% of the controls (mean 3.6 +/- 2.7 abscesses per rat; p < 0.05). In the rtPA1 and rtPA2 group, frequency of abscess formation was 58 and 33%, respectively. Mortality, course of body weight, and bacteremia were not affected by rtPA and neither were peritoneal cell counts and levels of TNF-alpha, IL-1beta, IL-6 and IL-10. No bleeding complications were observed.
conclusionrtPA reduces intra-abdominal abscess formation after surgical treatment of generalized peritonitis without increasing mortality or affecting the local inflammatory response.
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