Study of repeated arterial infusion chemotherapy with a subcutaneously implanted reservoir for advanced hepatocellular carcinoma
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We performed repeated arterial infusion chemotherapy (RAIC) in 114 advanced hepatocellular carcinoma (HCC) patients, using a subcutaneous reservoir implanted under ultrasonic guidance. In 60 patients, this was the initial therapy for the primary tumor and the other 54 patients being treated for recurrent tumor. One hundred and seventy-one patients with advanced HCC who had been treated by transcatheter arterial emblization (TAE) or single bolus arterial infusion chemotherapy before RAIC was available served as historical controls. In 97 patients, anticancer agents (4′-epidoxorubicin or acurarubicin) and Lipiodol emulsion were used, and in 17, anticancer agents alone were given. The response rates were 39.2% in the Lipiodol group and 17.6% in the non-Lipiodol group. The dose of Lipiodol and the degree of liver invasion were the most important factors influencing the response rate. The 1-, 2-, and 3-year survival rates were 55.0%, 30.9%, and 21.2%, respectively. The long-termsurvival was compared in relation to Child's classification and the presence or absence of portal vein tumor thrombosis (PVTT). In non-PVTT patients, the results of initial therapy and therapy for recurrence were similar, but recurrent Child's C patients showed a poorer prognosis. In PVTT patients, initial therapy had a better prognosis than treatment for recurrence, but initial Child's C patients had a poor long-termprognosis. During the observation period, no severe complications were encountered, but in Child's C patients, hepatic function sometimes deteriorated. Compared with the results in the 171 controls, RAIC was more useful for advanced HCC as initial therapy, and it was also beneficial for the treatment of recurrence after TAE.
Key wordshepatocellular carcinoma (HCC) arterial infusion chemotherapy reservoir portal vein tumor thrombosis Child's classification
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