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  • Title: [Long-term result of combination of transcatheter arterial chemoembolization and percutaneous ethanol injection for treatment of hepatocellular carcinoma].
    Author: Chen XM, Luo PF, Lin HH, Zhou ZJ, Shao PJ, Fu L, Li WK.
    Journal: Ai Zheng; 2004 Jul; 23(7):829-32. PubMed ID: 15248922.
    Abstract:
    BACKGROUND & OBJECTIVE: Both transcatheter arterial chemoembolization (TACE) and percutaneous ethanol injection (PEI) are the most important and popular procedures of interventional treatment for hepatocellular carcinoma (HCC). Although the improvement of the short-term efficacy of the combination of TACE and PEI has been proved, the long-term efficacy is seldom reported so far. The purpose of this study was to evaluate the long-term efficacy of the combination of TACE and PEI for treatment of HCC. METHODS: Six hundred and seventy-five patients with HCC from 2 cm to 15 cm in the greatest diameter (average 9.6 cm) were enrolled in this study. Among them, 179 were treated by a combination of TACE using the emulsion of lipiodol and anti-cancer drugs and PEI (TACE/PEI group) and 496 patients by TACE alone (TACE group). Ten patients in each group underwent resection after the final interventional treatment and the resected specimens were detected by histopathology method. The unresected patients had been followed up for 5-7 years and the 1-, 3-, 5 -, and 7-year survival rates were evaluated. The clinical data of the patients in two groups before intervention were comparable. RESULTS: Pathological data of two groups showed that remarkable differences were found in the mean necrosis rates (100.0+/-0.0% vs 91.5+/-7.1%, P< 0.05) and the complete necrosis rates of tumors (100% vs 20%, P = 0.0007), while there were no statistical significances in the extent of shrinkage of tumors after treatment between two groups. The results of follow-up showed that the 1-, 3-, 5-, and 7-year survival rates were 80.5%, 58.6%, 29.6%, 16.5% in TACE-PEI group, and 68.5%, 27.8%, 7.2%, 5.2% in TACE group, respectively. Significant differences were found between two groups (P< 0.01). CONCLUSION: The combination of TACE and PEI is a valuable remedy for HCC to prolong long-term survival rate.
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