Neurorrhaphy of the dorsal buccal branch of facial nerve in rabbits with protection o f allograft intestinal segment

Authors

  • Camila Araújo Busnardo Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Duvaldo Eurides Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Marcelo Emílio Beletti Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Letícia Binda Baungarten Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Ednaldo Carvalho Guimarães Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Frederico Ozanan Carneiro e Silva Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Lorena Borges Alves Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Benito Juarez Nunes Alves de Oliveira Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Luis Augusto de Souza Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária, Uberlândia, MG
  • Luiz Antônio Franco da Silva Universidade Federal de Goiás, Escola de Veterinária
  • Carlos Roberto Daleck Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal, SP

DOI:

https://doi.org/10.11606/issn.1678-4456.bjvras.2009.26771

Keywords:

Intestine, Graft, Nerve regeneration, Peripheral nerve

Abstract

18 rabbits, New Zealand, males, adults were used for clinical and histological evaluation of repair dorsal buccal branch of facial nerve after 15, 30 and 60 days postoperatively (PO). The animals were divided into two groups for transection and 10-0 nylon monofilament epineural suture of buccal branch. In animals in Group I, the nerve was coated with protection of jejunum allograft preserved in glycerin 98% and in group II was applied epineural suture. Both groups occurred the return of movement of the upper lip from the eighth week. There was infiltrated cellular and giant cells with fibrosis unsystematic and collagen fibers of the allograft jejunum joing to the connective tissue. At 15 and 30 days of PO, the distal nerve stumps of both groups were found with degeneration wallerian and in 60 days, regenerated fibers. The repair of the dorsal buccal branch of facial nerve with the allograft wasn't significantly different between the control rabbits as to the assessment of histological and functional recovery.

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Published

2009-06-01

How to Cite

Busnardo, C. A., Eurides, D., Beletti, M. E., Baungarten, L. B., Guimarães, E. C., Silva, F. O. C. e, Alves, L. B., Oliveira, B. J. N. A. de, Souza, L. A. de, Silva, L. A. F. da, & Daleck, C. R. (2009). Neurorrhaphy of the dorsal buccal branch of facial nerve in rabbits with protection o f allograft intestinal segment. Brazilian Journal of Veterinary Research and Animal Science, 46(3), 228-236. https://doi.org/10.11606/issn.1678-4456.bjvras.2009.26771

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