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Year 2017 - Volume 37, Number 10
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Employment of ovine heterologous Tunic albuginea as abdominal wall reinforcement in rats, 37(10):1108-1112
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ABSTRACT.- Canellas A.C.C., Moraes T.A., Araújo P.S., Lancetta C.F.F., Degani V.A.N. & Ferreira M.L.G. 2017. [Employment of ovine heterologous Tunic albuginea as abdominal wall reinforcement in rats.] Emprego de Túnica albugínea heteróloga ovina como reforço de parede abdominal em ratos. Pesquisa Veterinária Brasileira 37(10):1108-1112. Programa de Pós-Graduação em Clínica e Reprodução Animal, Universidade Federal Fluminense, Rua Vital Brasil Filho 64, Santa Rosa, Niterói, RJ 24230-340, Brazil. E-mail: anaclaracanellas@id.uff.br
Hernias are one of the infections that most affect small and large animals, and may have traumatic origin or not. These conditions usually require a surgical repair as soon as possible, due to the fact that its consequences can lead the animal to death. Some studies have evaluated the behavior of the Tunica albuginea as a biomaterial for grafting abdominal wall reinforcement, obtaining favorable results. This study aims to evaluate the ovine Tunica albuginea graft behavior in the abdominal wall of rats. We selected 30 Wistar rats, which were divided into 2 groups of 15 rats, with a control group (C) and a test group (TA) where the rats received abdominal wall reinforcement with ovine Tunica albuginea. Each group was divided into three subgroups with five rats that were sacrificed on days 7, 21 and 42. The collected material was submitted to macroscopic and histopathological analysis to affirm the suitability of the material and propose the use of heterologous Tunica albuginea as grafting material for the reconstruction of the abdominal wall. In the TA group there was a higher inflammatory infiltration, neovascularization and collagen deposition and fibrosis than in group control, thus concluding that the ovine Tunica albuginea is a biomaterial that acts as substrate and promotes precocity of the abdominal wall healing of rats. |
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