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Pleurodesis with polidocanol in pigs. An experimental study
1Institute for Experimental Research in Surgery, Panum Institute, Albertslund, Denmark.
Chest
|March 1, 1994
Summary
Polidocanol instillation in pig pleural cavities caused adhesions in all cases. The extent of lung adhesion varied with the polidocanol dose, while saline controls showed no effects.
Area of Science:
- Veterinary Medicine
- Thoracic Surgery
- Medical Device Research
Background:
- Pleural adhesions can complicate thoracic procedures and diagnostic interventions.
- Polidocanol is a sclerosing agent used in various medical applications.
- Understanding the effects of polidocanol on pleural tissues is crucial for its safe application.
Purpose of the Study:
- To investigate the effects of polidocanol on pleural cavities in a porcine model.
- To evaluate the dose-dependent relationship between polidocanol administration and adhesion formation.
- To histologically examine the nature of induced pleural changes.
Main Methods:
- Polidocanol was instilled into five pleural cavities across three pigs.
- One control pleural cavity was treated with sodium chloride solution.
- Histopathological examination was performed on pleural tissues.
Main Results:
- Adhesions formed in all five polidocanol-treated pleural cavities.
- The distribution and extent of adhesions varied based on the administered polidocanol volume.
- Microscopic analysis revealed fibrous bridges, submesothelial fibrosis, and mild inflammation.
- The sodium chloride control cavity remained unaffected, showing no adhesion formation.
Conclusions:
- Polidocanol instillation is associated with significant pleural adhesion formation in pigs.
- The degree of adhesion is influenced by the dose of polidocanol used.
- Polidocanol induces fibrotic and inflammatory changes in the pleural space, warranting careful consideration in clinical settings.