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  • Title: Hepatic microcirculatory changes induced by hepatic artery embolization in rats: original investigation.
    Author: Koda Y, Kan Z, Wallace S, Kaminou T, Nakamura K, Yamada R.
    Journal: Invest Radiol; 1999 Feb; 34(2):160-6. PubMed ID: 9951797.
    Abstract:
    RATIONALE AND OBJECTIVES: To evaluate the effects of hepatic artery embolization (HAE), hepatic microcirculatory changes induced by HAE were assessed quantitatively in rats. METHODS: Using in vivo microscopy, the blood-flow velocity (BFV) through terminal portal venules (TPVs) and terminal hepatic venules (THVs) was measured during HAE with gelatin sponge powder (GSP), iodized oil (Lipiodol, 0.1, 0.2, and 0.4 mL/kg), or 0.1 mL/kg Lipiodol followed by GSP. RESULTS: After HAE with GSP, BFV through TPVs decreased significantly, but BFV through THVs did not decrease. After HAE with Lipiodol (0.2 and 0.4 mL/kg), BFV through TPVs decreased significantly, but BFV through THVs did not. After HAE with Lipiodol followed by GSP, BFV through both TPVs and THVs decreased significantly. CONCLUSIONS: Neither GSP nor Lipiodol adversely affects hepatic microcirculation when administered alone; however, HAE with a combination of Lipiodol and GSP does adversely affect hepatic microcirculation.
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