The effect of postoperative TACE on prognosis of HCC with microscopic venous invasion

Li Ke-Wei, Wen Tian-Fu, Li Xi, Yan Lü-Nan, Li Bo, Zeng Yong, Lu Wu-Sheng, Wang Wen-Tao, Xu Ming-Qing, Yang Jia-Yin, Ma Yu-Kui, Chen Zhe-Yu
Hepato-gastroenterology 2012, 59 (118): 1944-6

BACKGROUND/AIMS: The aim of this study was to evaluate the clinical efficacy of postoperative adjuvant transcatheter arterial chemoembolization (TACE) on hepatocellular carcinoma (HCC) with microscopic venous invasion.

METHODOLOGY: Data from 76 patients with HCC who underwent hepatectomy with or without postoperative adjuvant TACE between July 2005 and August 2010 were retrospectively reviewed. Kaplan-Meier method was used to compare survival between the groups and prognostic factors were evaluated by Cox proportional hazard model.

RESULTS: The 1-, 3- and 5-year disease- free survival rates were 76.3%, 44.5% and 31.8%, respectively, for the adjuvant TACE group (35 patients) and 60.1%, 39.3% and 21.5%, respectively, for the control group (41 patients). The 1-, 3- and 5-year overall survival rates were 88.6%, 67.2% and 42.3%, respectively, for the TACE group and 77.5%, 58.0% and 40.5%, respectively, for the control group. Although improving trends of both disease-free survival and overall survival were observed in adjuvant TACE group, there was no significant difference between the two groups (p>0.05). Cox regression analysis revealed that tumor size and differentiation were significant independent prognostic factors.

CONCLUSIONS: Postoperative adjuvant TACE may improve 1, 3 and 5 year disease-free and overall survival rates of HCC patients with microscopic venous invasion but no statistical significance was found. It can be used as a preventative treatment but not a routine procedure for such patients.

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