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Acta Cirurgica Brasileira

On-line version ISSN 1678-2674

Abstract

BROCCO, Marcos Célio et al. Effects of peritoneal lavage with lidocaine on survival of rats with fecal peritonitis. Acta Cir. Bras. [online]. 2008, vol.23, n.1, pp. 42-47. ISSN 1678-2674.  http://dx.doi.org/10.1590/S0102-86502008000100008.

PURPOSE: To study the effects of peritoneal lavage with a 2% lidocaine solution, on the survival of the rats submitted to peritonitis caused by their own feces. METHODS: Forty-eight Wistar rats, weighting between 300g and 330g (mean, 311,45 ±9,67g), were submitted to laparotomy 6 hours following induction of fecal peritonitis. Animals were randomly divided into four groups of 12 each as follows: 1- Control, no therapy; 2- Drying of the abdominal cavity; 3- Peritoneal lavage with saline and drying; 4- Peritoneal lavage with a 2% lidocaine solution and drying. Animals that died were submitted to necropsy and the time of their death recorded; survivors were killed on the post-operation 11th day and necropsied. RESULTS: Death occurred within 52 h in all animals of group 1; within 126 h in 100% of those of group 2; within 50 h in 50% of those of group 3. All animals of group 4 survived. Survival on the 11 th day was higher in groups 3 and 4 than in groups 1 and 2 (p<0.001), and higher in group 4 than in group 3 (p<0.01). CONCLUSION: Peritoneal lavage with a 2% lidocaine saline solution without adrenaline, prevented the mortality of all animals with fecal peritonitis .

Keywords : Peritonitis; Anesthesia [methods]; Sepsis.

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