Prognostic benefit of selective portal vein occlusion during hepatic resection for hepatocellular carcinoma

Background. The aim of this study was to clarify whether the types of portal vein (PV) occlusion during hepatectomy affect the long-term outcome in patients with hepatocellular carcinoma (HCC). Methods. Eighty-six patients who had undergone. curative hepatic resection for HCC were divided on the basis of the type of PV occlusion into 2 groups: total PV occlusion (TPVO, n = 56) and selective PV occlusion (SPVO, n = 30) groups. The recurrence-free survival was compared between the groups, and factors affecting recurrence-free survival were examined by univariate analyses followed by multivariate analyses. Moreover, the patients with a single nodular HCC less than 5 cm in diameter were abstracted from both groups, and the recurrence free survival rate was compared.