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Polidocanol at different concentrations for pleurodesis in rats

, : Polidocanol at different concentrations for pleurodesis in rats. Surgery Today 35(12): 1066-1069

We previously found that 0.5% polidocanol was more effective than tetracycline for pleurodesis in rats. Thus, we conducted the present study to evaluate the efficacy of different concentrations of polidocanol for pleurodesis in rats. We divided 54 albino Wistar rats into six groups. Groups 1, 2, and 3 were given isotonic saline, 35 mg/kg tetracycline, and 0.6 mg of diluted polidocanol, respectively, being the daily recommended dose for humans. Groups 4, 5, and 6 were given 0.5%, 1%, and 2% polidocanol, respectively. All solutions were given intrapleurally in a volume of 0.5 ml. We examined the rats for macroscopic pleural adhesions and compared the mean values of macroscopic scoring among the six groups. The rats given polidocanol and tetracycline had significantly more adhesions than the control group, and polidocanol at concentrations of 0.5%, 1%, and 2% was more effective for pleurodesis than tetracycline. The diluted polidocanol was not more effective than tetracycline. There was no difference between the effects of the 0.5% and 1% concentrations, but the 2% polidocanol group had significantly more adhesions than the other groups. Polidocanol at concentrations of 0.5%, 1%, and 2% was a more effective sclerosing agent than tetracycline for pleurodesis. While 2% polidocanol was the most efficient sclerosing agent, the daily maximum recommended dose of polidocanol for humans was not more effective than tetracycline.


PMID: 16341488

DOI: 10.1007/s00595-005-3080-x

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