ENGLISH ABSTRACT
JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
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[Percutaneous radiofrequency ablation combined with other minimally invasive treatments for recurrent hepatocellular carcinoma after hepatectomy].

OBJECTIVE: To evaluate the efficacy and safety of percutaneous radiofrequency ablation (PRFA) and combined with other minimally invasive treatments for recurrent hepatocellular carcinoma (RHCC) after hepatectomy.

METHODS: Eighty-four patients with RHCC after hepatectomy who were treated with PRFA or combined with other minimally invasive therapies between August 1999 and February 2008 were analyzed retrospectively.

RESULTS: There was no treatment related mortality in the study population, and the morbidity was 2.4% (2/84). The complete ablation rate was 94.0% (79/84), and the 1-, 3- and 5-year overall survival rates were 74.9%, 54.9% and 48.2%, respectively. The 1-, 3- and 5-year overall survival rates of patients with recurrent interval after hepatectomy less than 1 year and over 1 year were 72.1%, 36.2%, 24.2% and 76.8%, 70.6% and 65.1%, respectively (P = 0.040). The 1-, 3- and 5-year overall survival rates of patients with tumor size 3 cm were 83.2%, 67.7%, 67.7% and 59.1%, 24.2%, 12.1%, respectively (P = 0.003). The 1-, 3- and 5-year overall survival rates of patients treated with PRFA alone and combined with percutaneous ethanol injection (PEI) were 66.7%, 33.3%, 22.2% and 76.5%, 57.3%, 57.3%, respectively (P = 0.017). The 1-, 3- and 5-year overall survival rates of patients treated with PRFA alone and combined with transcatheter hepatic arterial chemoembolization (TACE) were 55.6%, 24.7%, 24.7% and 81.6%, 66.0%, 57.5%, respectively (P = 0.001).

CONCLUSIONS: PRFA is an effective and safe treatment for RHCC, and tumor size and recurrent interval after hepatectomy are important prognostic factors. Combination with PEI or TACE may improve the efficacy of PRFA for treatment of RHCC.

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