Experimental reconstruction of the canine trachea with a free revascularized small bowel graft.
Ann Thorac Surg
; 49(6): 955-8, 1990 Jun.
Article
em En
| MEDLINE
| ID: mdl-2369195
ABSTRACT
Extensive tracheal stenotic lesions caused by tracheomalacia or neoplasms represent a surgical challenge. Segmental tracheal substitution is sometimes required to obtain radical cure. We present an experimental study of 27 dogs undergoing replacement of the cervical trachea using a vascularized small bowel segment as a tubular graft. A silicone stent was placed in the lumen of the intestinal fragment and was removed the second week after operation. Endoscopic and histological examinations were performed between the first week and second month after operation, and rigidity of the graft was assessed in all cases. No evidence of anastomotic stricture or mucous formation was found. Microscopic examination showed the substitution of bowel mucosa by squamous epithelium as well as the development of connective tissue favoring the fixation of the skeletal muscular structures of the neck to the serous layer of the graft, thus avoiding collapse of the new airway.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Traqueia
/
Intestino Delgado
Limite:
Animals
Idioma:
En
Revista:
Ann Thorac Surg
Ano de publicação:
1990
Tipo de documento:
Article
País de afiliação:
Espanha