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  • Title: Survival with up to 10-year follow-up after combination therapy of chemoembolization and radiofrequency ablation for the treatment of hepatocellular carcinoma: single-center experience.
    Author: Fujimori M, Takaki H, Nakatsuka A, Uraki J, Yamanaka T, Hasegawa T, Shiraki K, Takei Y, Sakuma H, Yamakado K.
    Journal: J Vasc Interv Radiol; 2013 May; 24(5):655-66. PubMed ID: 23428356.
    Abstract:
    PURPOSE: To report 10-year outcomes of treating hepatocellular carcinomas (HCCs) by combination therapy of chemoembolization and radiofrequency (RF) ablation. MATERIALS AND METHODS: Combination therapy was administered in 277 patients with 382 treatment-naïve HCCs. Therapeutic effects, safety, survival rate, and prognostic factors were evaluated. RESULTS: Tumor enhancement disappeared after 466 RF sessions in all tumors, resulting in a complete response rate of 100% (277 of 277) based on modified Response Evaluation Criteria In Solid Tumors. Local tumor progression developed in 15 patients (5.4%; 15 of 277) during the mean follow-up of 44.9 months±29.1 (range, 6.0-134.4 mo). Overall and recurrence-free survival rates were 56.3% (95% confidence interval [CI], 52.5%-60.2%) and 22.5% (95% CI, 19.3%-25.6%) at 5 years and 23.5% (95% CI, 17.7%-29.2%) and 9.3% (95% CI, 6.3%-12.4%) at 10 years. The Child-Pugh class was the only significant prognostic factor detected in both the univariate (P<.001) and the multivariate analyses (hazard ratio, 3.8; 95% CI, 2.5-5.6; P<.001). The 5-year and 10-year overall survival rates were 66.4% (95% CI, 62.0%-70.8%) and 30.6% (95% CI, 23.3%-37.9%) in 210 Child-Pugh class A patients. In addition to the Child-Pugh class, the maximum tumor diameter (≤3 cm vs>3 cm) and the tumor number (single vs multiple) were significant independent factors affecting recurrence-free survival. No death was related to the combination therapy. The major complication rate was 3.2% (15 of 466). CONCLUSIONS: RF ablation combined with chemoembolization is a safe and useful therapeutic option for treating HCCs. Prognostic factors detected in this study help to stratify patients who benefit from this combination therapy.
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