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Comparison of the Protoscolocidal Effectiveness of Hypertonic Saline, Povidone-Iodine and Albendazole Solutions in an Experimental Lung Hydatid Cyst Model
(Sage Publications Ltd, 2011) Yetim, T. Durgun; Basoglu, A.; Sengul, A. Taslak; Yetim, I.; Bekdemir, O. Serdar; Hokelek, M.
Secondary hydatidosis is an important problem encountered during the surgical treatment of hydatid cysts. This study describes an experimental model of secondary hydatidosis by cyst inoculation, used to explore whether simultaneous inoculation of protoscolocidal agents could prevent secondary hydatidosis. Fertile cyst fluid was injected into the pleural space of rabbits alone (group 1, n = 8), and in combination with 2% albendazole solution (group 2, n = 8), 20% hypertonic saline (group 3, n = 8) or 10% povidone-iodine (group 4, n = 8). Computed tomography imaging of the thorax, indirect haemagglutination (IHA) titres and eosinophil counts were used to determine cyst development. After 16 months, three control rabbits had pneumothorax, seven had cysts and four had parenchymal nodules. Histopathological investigation of nodules revealed 87.5% cyst formation. Pleural thickening was observed in rabbits from all groups. Cyst formation rates, IHA titres and eosinophilia counts were higher in group 1 than in groups 2 - 4. This study demonstrated the experimental formation of secondary hydatidosis and found that topical protoscolocidal agents were beneficial in preventing cyst recurrence.