Evaluation of the efficacy of several sclerosing agents for pleurodesis in rats

Year 2022, , 297 - 302, 31.10.2022

Cenk Balta Mustafa Kuzucuoglu Figen Aslan Ali Cem Yekdes

https://doi.org/10.5472/marumj.1191101

Abstract

Objective: This study aims to evaluate the efficiencies and effects of different sclerosing agents.
Materials and Methods: Thirty-five female Wistar-albino rats were included in this study and divided into five groups randomly.
Isotonic saline (group 1), iodopovidone (group 2), rifamycin (group 3), autologous blood (group 4), talc (group 5) were given into
intrapleural space. On postoperative 28th day, ipsilateral and contralateral pleural and parenchymal fibrosis and inflammation were
evaluated.
Results: There were statistically differences between control and other groups on macroscopically pleural fibrosis examination
(p=0.004, p=0.001, p=0.001, p=0.000, respectively). Microscopically pleural fibrosis were determined in all groups when compared
to control group (p=0.023, p=0.023, p=0.035, p=0.001, respectively). There were no significant differences between sclerosing agent
groups (p>0.05). Significant differences were observed according to microscopic pleural inflammation evaluation between talc group
and other groups. There was superiority in talc group according to intraparenchymal inflammation grade compared to other groups
(p=0.010, p=0.042, p=0.030, respectively). Macroscopically, fibrosis and microscopically, inflammation were significantly observed
between talc and other groups in the contralateral pleura (p = 0.037and p=0.009, respectively).
Conclusion: Iodopovidone, autologous blood, talc, and rifamycin can be used as effective pleurodesis agents. However, we found that
rifamycin and autologous blood are safer as effective pleurodesis agents. We think that these two agents can be used in patients with
secondary lung diseases due to their less intraparenchymal inflammation rates. It may be advantageous to prefer other sclerosing
agents which has lower costs and less side effects comparing to talc.

Keywords

Pleurodesis, Pleural effusions, Pleural inflammation, Animal experiments

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