TGF-β1 and CD68 immunoexpression in capsules formed by textured implants with and without mesh coverage: a study on female rats

Autor: Ralf Berger, Jurandir Marcondes Ribas Filho, Marcelo Augusto de Souza, Pedro Henrique de Paula, João Gabriel Cavazzani Doubek, Rafael de Castro e Souza Pires, Paulo Afonso Nunes Nassif, Eduardo Nascimento Silva
Rok vydání: 2021
Předmět:
Zdroj: Acta Cirúrgica Brasileira, Volume: 37, Issue: 2, Article number: e370201, Published: 22 APR 2022
Acta Cirúrgica Brasileira v.37 n.2 2022
Acta Cirúrgica Brasileira
Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (SBDPC)
instacron:SBDPC
ISSN: 1678-2674
Popis: Purpose: To evaluate fibrosis formation and number of macrophages in capsules formed around textured implants without and with mesh coverage. Methods: Fibrosis was analyzed through transforming growth factor-beta 1 (TGF-β1) immunomarker expression and the number of macrophages through CD68 percentage of cells in magnified field. Sixty female Wistar rats were distributed into two groups of 30 rats (unmeshed and meshed). Each group was then subdivided into two subgroups for postoperative evaluation after 30 and 90 days. The p value was adjusted by Bonferroni lower than 0.012. Results: No difference was observed in fibrosis between meshed and unmeshed groups (30 days p = 0.436; 90 days p = 0.079) and from 30 to 90 days in the unmeshed group (p = 0.426). The meshed group showed higher fibrosis on the 90th day (p = 0.001). The number of macrophages was similar between groups without and with mesh coverage (30 days p = 0.218; 90 days p = 0.044), and similar between subgroups 30 and 90 days (unmeshed p = 0.085; meshed p = 0.059). Conclusions: In the meshed group, fibrosis formation was higher at 90 days and the mesh-covered implants produced capsules similar to microtextured ones when analyzing macrophages. Due to these characteristics, mesh coating did not seem to significantly affect the local fibrosis formation.
Databáze: OpenAIRE
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