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  • Title: Effects of hepatic artery chemoembolization using cisplatin-lipiodol suspension with gelatin sponge particles on swine liver.
    Author: Sahara S, Tanihata H, Sato M, Kawai N, Takasaka I, Minamiguchi H, Nakai M, Sonomura T.
    Journal: J Vasc Interv Radiol; 2009 Oct; 20(10):1359-64. PubMed ID: 19695901.
    Abstract:
    PURPOSE: To define the effects of hepatic artery chemoembolization with cisplatin-lipiodol suspension and gelatin sponge particles on swine liver tissue and estimate the concentration of cisplatin that would have a minimal negative effect on normal liver parenchyma. MATERIALS AND METHODS: Twelve pigs were divided into four groups: group A was the control group in which hepatic arteries were embolized with lipiodol and gelatin sponge particle (n = 3); group B animals were embolized with 10 mg/mL cisplatin-lipiodol suspension plus gelatin sponge particle (n = 3), group C with 20 mg/mL cisplatin-lipiodol suspension plus gelatin sponge particle (n = 3), and group D with 30 mg/mL cisplatin-lipiodol suspension plus gelatin sponge particle (n = 3). Pigs were euthanized 1 week after embolization, and the resected livers were cut into 10-mm-thick sections. The livers and necrotic foci were contoured in each section, and the necrosis volume ratio was calculated. RESULTS: The necrosis volume ratios of the livers in groups A, B, C, and D were 0.832% +/- 0.334, 2.324% +/- 1.126, 8.056% +/- 3.276, and 11.82% +/- 4.921, respectively. Significant differences (P < .05) in necrosis volume ratio were found between groups A and C, groups A and D, groups B and C, and groups B and D; no significant difference was found between groups A and B. CONCLUSIONS: Hepatic artery chemoembolization with higher doses of cisplatin causes greater damage to liver tissue; 10 mg/mL cisplatin-lipiodol suspension causes minimal damage, similar to that without cisplatin, and is related to minimal negative changes in a swine model.
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