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  • Title: Transcatheter arterial chemoembolization therapy combined with percutaneous ethanol injection for unresectable large hepatocellular carcinoma: an evaluation of the local therapeutic effect and survival rate.
    Author: Dohmen K, Shirahama M, Shigematsu H, Miyamoto Y, Torii Y, Irie K, Ishibashi H.
    Journal: Hepatogastroenterology; 2001; 48(41):1409-15. PubMed ID: 11677976.
    Abstract:
    BACKGROUND/AIMS: This study was undertaken to evaluate the effectiveness of combination therapy with transcatheter arterial chemoembolization followed by percutaneous ethanol injection in patients with unresectable large hepatocellular carcinoma by comparing the use of this combined regimen with transcatheter arterial chemoembolization alone. METHODOLOGY: Six hundred and thirty-one consecutive patients with hepatocellular carcinoma lesions observed from Jan 1989 to Dec 1999 (11 years) at the Internal Medicine Department, Saga Prefectural Hospital Koseikan were retrospectively enrolled in the study. The series included 120 patients with large unresectable hepatocellular carcinoma lesions, the largest of which were greater than 3 cm in largest dimension. Fifty-two patients underwent a single transcatheter arterial chemoembolization followed by percutaneous ethanol injection, which were compared with 68 patients treated by transcatheter arterial chemoembolization alone. Both groups of patients with hepatocellular carcinoma did not differ regarding the base-line characteristics. The overall survival rates and recurrence ratio of initially treated lesions were compared in both groups. RESULTS: On overall survival rates by the Kaplan-Meier method, three- and five-year survival in the transcatheter arterial chemoembolization and percutaneous ethanol injection group (59.0%, 32.1%) proved to be significantly longer than those in the transcatheter arterial chemoembolization group (27.1%, 17.0%). In addition, during the follow-up local recurrence in the combination group (23.1%) was significantly lower than that in the transcatheter arterial chemoembolization group (50.0%). CONCLUSIONS: The combined treatment with transcatheter arterial chemoembolization and percutaneous ethanol injection proved to be more effective and safer. Furthermore, a lower incidence of local recurrence was observed than transcatheter arterial chemoembolization alone which resulted in an increased survival of the patients associated with unresectable large hepatocellular carcinoma lesions.
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