The addition of clonidine 1 μg/kg to 2 % lidocaine in sub-Tenon's anesthesia for cataract surgery increased the duration of sensory anesthesia, ocular akinesia, and the duration of analgesia.
A study of interleukin 6 (IL-6) and tumor necrosis factor alpha (TNF-α) serum levels in rats subjected to fecal peritonitis and treated with intraperitoneal ropivacaine 1 Avaliação dos níveis séricos de interleucina 6 (IL-6) e fator de necrose tumoral (TNF-α) em ratos submetidos a peritonite fecal e tratado com ropivacaína intraperitoneal
ABSTRACT PURPOSE:The objective of this study was to assess the cytokine serum levels of IL-6 and TNF-α in rats subjected to fecal peritonitis and treated with peritoneal lavage with 0.2% ropivacaine by peritoneal lavage.
METHODS:We subjected 16 Wistar rats to laparotomy 6 hours after the induction of fecal peritonitis with autogenous stool and subsequently divided the rats randomly into 4 groups: I-control, no treatment; II-drying of the abdominal cavity; III-lavage of the abdominal cavity with 3 mL of 0.9% normal saline and drying; IV-lavage of the abdominal cavity with 3 mL of 0.2% ropivacaine and drying. Six hours following the laparotomy, the animals underwent cardiac puncture, and 1 mL of blood was collected for cytokine assessment before the animals were euthanized.
RESULTS:The lavage with ropivacaine resulted in smaller TNF-α levels compared with those observed in the other treatment groups (p <0.05). Regarding IL-6 , the ropivacaine group showed lower cytokine levels than those observed in groups I and II, but there was no significant difference (p> 0.05) between groups III and IV.
CONCLUSION:Peritoneal lavage with 0.2% ropivacaine was shown to reduce plasma levels of IL-6 and TNF-α in the treatment of fecal peritonitis in rats.Key words: Peritonitis. Anesthesia. Sepsis. IL-6. TNF-α.
RESUMO:OBJETIVO: O objetivo do presente estudo foi avaliar as dosagens séricas das citocinas Il-6 e TNF-α em ratos submetidos à peritonite fecal e tratados com lavagem peritoneal com ropivacaína a 0,2%.
MÉTODOS:Utilizaram-se 16 ratos Wistar, submetidos à laparotomia 6 horas após a indução de peritonite fecal com fezes autógenas, distribuídos aleatoriamente em 4 grupos: I-Controle, nenhum tratamento; II-Enxugamento da cavidade abdominal; III-Lavagem da cavidade abdominal com 3 ml de solução salina 0,9% e enxugamento; IV-Lavagem da cavidade abdominal com 3 ml de ropivacaína a 0,2% e enxugamento. Seis horas após a laparotomia os animais foram submetidos à punção cardíaca com retirada de 1 mL de sangue
A study of interleukin 6 (IL-6) and tumor necrosis factor alpha (TNF-α) serum levels in rats subjected to fecal peritonitis and treated with intraperitoneal ropivacaineActa Cirúrgica Brasileira -Vol. 27 (7) 2012 -495 para a dosagem das citocinas e, a seguir, eutanasiados.
RESULTADOS:A lavagem com ropivacaína apresentou valores de TNF-α menores do que os observados com os outros tratamentos (p<0,05). Em relação aos valores da IL-6, o grupo da ropivacaína apresentou valores menores do que os observados com os grupos I e II, mas não houve diferença estatística (p>0,05) em relação ao grupo III.
CONCLUSÃO:A lavagem peritoneal com ropivacaína a 0,2% no tratamento da peritonite fecal em ratos demonstro...
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