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  • Title: Combined Therapy of Transcatheter Arterial Chemoembolization and Radiofrequency Ablation versus Surgical Resection for Single 2-3 cm Hepatocellular Carcinoma: A Propensity-Score Matching Analysis.
    Author: Lee HJ, Kim JW, Hur YH, Shin SS, Heo SH, Cho SB, Kang YJ, Lim HS, Seon HJ, Jeong YY.
    Journal: J Vasc Interv Radiol; 2017 Sep; 28(9):1240-1247.e3. PubMed ID: 28688816.
    Abstract:
    PURPOSE: To compare therapeutic outcomes of radiofrequency (RF) ablation combined with transcatheter arterial chemoembolization vs surgical resection (SR) for single 2-3 cm hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Seventy patients underwent combined chemoembolization/RF ablation therapy and 84 underwent SR. Local tumor progression (LTP), intrahepatic distant recurrence (IDR), disease-free survival (DFS), and overall survival (OS) rates, as well as major complications and duration of hospital stay, were compared between groups before and after propensity-score matching. RESULTS: LTP and IDR had developed in 9 (12.9%) and 24 (34.3%) patients in the combined treatment group and in 7 (8.3%) and 24 (28.6%) patients in the SR group (P = .262 and P = .252, respectively). The 1-, 3-, 4-, and 5-year DFS rates were similar between groups (82.6%, 53.2%, 53.2%, and 37.6%, respectively, vs 84.5%, 63.6%, 59.2%, and 52.1%, respectively; P = .278), and 1-, 3-, 4-, and 5-year OS rates were also comparable (94.2%, 81.2%, 74.1%, and 59.4%, respectively, vs 95.2%, 86.3%, 84.0%, and 80.3%, respectively; P = .081). After matching (n = 98), LTP, IDR, DFS, and OS rates were still similar (P = .725, P = .826, P = .484, and P = .578, respectively). Major complication rate was not significantly different (2.9% vs. 6.0%; P = .596); however, after matching, major complication rate was higher in SR group (2.0% vs. 6.1%; P < .001). Hospital stays were significantly longer in the SR group (16.6 ± 6.7 d vs 8.5 ± 4.1 d; P < .001). CONCLUSIONS: Before and after matching, there were no significant differences in long-term therapeutic outcomes between combined chemoembolization/RF ablation and SR groups. Therefore, combined chemoembolization/RF ablation therapy may be an alternative treatment for single 2-3 cm HCCs.
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