CRITICAL ANALYSIS OF EXPERIMENTAL MODEL FOR STUDY OF ADHESIONS AFTER INCISIONAL HERNIAS INDUCED IN RATS’ AND REPAIR OF ABDOMINAL WALL WITH DIFFERENT BIOMATERIALS

Background: Adhesions induced by biomaterials experimentally implanted in the abdominal cavity are basically studied by primary repair of different abdominal wall defects or by the correction of incisional hernias previously performed with no precise definition of the most appropriate model. Aim: To...

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Published in:Arquivos brasileiros de cirurgia digestiva : ABCD 2015-07, Vol.28 (3), p.178-182
Main Authors: SERIGIOLLE, Leonardo Carvalho, BARBIERI, Renato Lamounier, GOMES, Helbert Minuncio Pereira, RODRIGUES, Daren Athiê Boy, STUDART, Sarah do Valle, LEME, Pedro Luiz Squilacci
Format: Article
Language:English
Subjects:
Abdominal wall
Experimental/surgery
Original
Surgical mesh/adverse effects
Tissue adhesions/surgery
Ventral hernia
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Summary:Background: Adhesions induced by biomaterials experimentally implanted in the abdominal cavity are basically studied by primary repair of different abdominal wall defects or by the correction of incisional hernias previously performed with no precise definition of the most appropriate model. Aim: To describe the adhesions which occur after the development of incisional hernias, before the prosthesis implantation, in an experimental model to study the changes induced by different meshes. Methods: Incisional hernias were performed in 10 rats with hernia orifices of standardized dimensions, obtained by the median incision of the abdominal wall and eversion of the defect edges. Ten days after the procedure adhesions of abdominal structures were found when hernias were repaired with different meshes. Results: The results showed hernia sac well defined in all rats ten days after the initial procedure. Adhesions of the greater omentum occurred in five animals of which two also showed adhesions of small bowel loops besides the omentum, and another two showed liver adhesions as well as the greater omentum, numbers with statistical significance by Student's t test (p
ISSN:0102-6720
0102-6720
2317-6326
DOI:10.1590/S0102-67202015000300008