ESTUDO COMPARATIVO DO EFEITO DAS TELAS DE POLITETRAFLUOROETILENO EXPANDIDO E DE POLIPROPILENO, COLOCADAS POR LAPAROSCOPIA, EM HÉRNIAS VENTRAIS PRODUZIDAS EM COELHOS
The objective is to study the effect of polytetrafluoroethylene (PTFE) and polypropylene (PP) mesh in the repair of incisional hernias with laparoscopy. Were used 45 new Zeland white rabbits, with weight between 2700g and 3100g. In 15 PTFE mesh was used, in 15 PP mesh was used and in the other 15, t...
| Authors: | , , , , , , |
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| Format: | article |
| Status: | Published version |
| Publication Date: | 1999 |
| Country: | Brasil |
| Institution: | Universidade Federal de São Paulo (UNIFESP) |
| Repository: | Repositório Institucional da UNIFESP |
| Language: | Portuguese |
| OAI Identifier: | oai:repositorio.unifesp.br:11600/754 |
| Online Access: | http://dx.doi.org/10.1590/S0102-86501999000200002 http://repositorio.unifesp.br/handle/11600/754 |
| Access Level: | Open access |
| Keyword: | Ventral hernia Laparoscopy Polytetrafluoroethylene Polypropylenes Rabbits Hérnia ventral Cirurgia laparoscópica Politetrafluoroetileno Polipropilenos Coelhos |
| Summary: | The objective is to study the effect of polytetrafluoroethylene (PTFE) and polypropylene (PP) mesh in the repair of incisional hernias with laparoscopy. Were used 45 new Zeland white rabbits, with weight between 2700g and 3100g. In 15 PTFE mesh was used, in 15 PP mesh was used and in the other 15, that were called the control group, nothing was used. All of them were submitted to standardized incisional hernias, they were repaired by laparoscopy with PTFE and PP mesh in the first and second groups, and in the control group has just done the adhesions. On the 35th day the animals were submitted to laparoscopy, this was done to see if there were adhesions in the mesh (in groups PP and PTFE) or in the hernia (in the control group ), if there were any intestinal adhesions and if the mesh was wrinkled or stretched. One segment of the abdominal wall was submitted to an intended rupture force and another segment was submitted to a histologic evaluation with colagens fibres count. On the 35th and 70th days, the control group showed lesser adhesions than the other two groups, (PTFE and PP mesh groups), and PTFE mesh group showed less adhesions than the PP mesh group. The PP mesh group showed a lot more colagen's fibres than the other two groups and the PTFE mesh group showed more colagen's fibres than the control group. The hernias didn't recidived in the treated groups and have concluded that the mesh used was effective in the hernias treatment and the PP mesh determined more adhesions. |
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