Neurorrafia do ramo bucal dorsal do nervo facial em coelhos com proteção de segmento intestinal alógeno
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Data
2009
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Resumo
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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Palavras-chave
Intestino, Enxerto, Regeneração neural, Nervos periféricos, Intestine, Graft, Nerve regeneration, Peripheral nerve
Citação
BUSNARDO, Camila Araújo; EURIDES, Duvaldo; BELETTI, Marcelo Emílio; BAUNGARTEN, Letícia Binda; GUIMARÃES, Ednaldo Carvalho; SILVA, Frederico Ozanan Carneiro e; ALVES, Lorena Borges; OLIVEIRA, Benito Juarez Nunes Alves de; SOUZA, Luis Augusto de; SILVA, Luiz Antônio Franco da; DALECK, Carlos Roberto. Neurorrafia do ramo bucal dorsal do nervo facial em coelhos com proteção de segmento intestinal alógeno. Brazilian Journal of Veterinary Research and Animal Science, São Paulo, v. 46, n. 3, p. 228-236, 2009.