Histological analysis of autologous fascia graft implantation into the rabbit voice muscle

The ideal approach for the treatment of glottal insufficiency remains a challenge for laryngologists. AIM: This experimental study assessed the histological changes and fibrosis caused by autologous fascia lata grafts into the rabbit voice muscle. STUDY DESIGN: A clinical and experimental study. MET...

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Detalles Bibliográficos
Autores: Pinna, Bruno de Rezende [UNIFESP], Stávale, João Norberto [UNIFESP], Pontes, Paulo Augusto de Lima [UNIFESP], Brasil, Osiris de Oliveira Campones do [UNIFESP]
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:Brasil
Institución:Universidade Federal de São Paulo (UNIFESP)
Repositorio:Repositório Institucional da UNIFESP
Idioma:inglés
OAI Identifier:oai:repositorio.unifesp.br:11600/6421
Acceso en línea:http://dx.doi.org/10.1590/S1808-86942011000200008
http://repositorio.unifesp.br/handle/11600/6421
Access Level:acceso abierto
Palabra clave:laryngeal diseases
glottis
fascia
rabbits
vocal cords
coelhos
doenças da laringe
glote
pregas vocais
Descripción
Sumario:The ideal approach for the treatment of glottal insufficiency remains a challenge for laryngologists. AIM: This experimental study assessed the histological changes and fibrosis caused by autologous fascia lata grafts into the rabbit voice muscle. STUDY DESIGN: A clinical and experimental study. METHODS: A 0.2 × 0.2 cm fragment of autologous fascia lata was grafted into the right voice muscle of 14 adult rabbits. Animals were euthanized 30 or 60 days post-procedure and histology of the excised vocal folds was carried out. RESULTS: No extensive edema, necrosis or foreign body-type reaction was observed at any time. No significant inflammatory reaction or fibrosis was seen at 30 or 60 days. CONCLUSION: The presence of fascia lata in the rabbit voice muscle had no significant influence on inflammation, and does not increase fibrosis. Rabbit voice muscle shows good tolerance to fascia lata grafting.