• Jia-Yan Ni, Hong-Liang Sun, Yao-Ting Chen, Jiang-Hong Luo, Dong Chen, Xiong-Ying Jiang, and Lin-Feng Xu.
• Jia-Yan Ni, Hong-Liang Sun, Yao-Ting Chen, Jiang-Hong Luo, Dong Chen, Xiong-Ying Jiang, Lin-Feng Xu, Department of Interventional Radiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, Guangdong Province, China.
• World J. Gastroenterol. 2014 Dec 14; 20 (46): 17483-90.

AimTo analyze prognostic factors for survival after transarterial chemoembolization (TACE) combined with microwave ablation (MWA) for hepatocellular carcinoma (HCC).MethodsClinical data of 86 patients who underwent TACE combined with MWA between January 2006 and December 2013 were retrospectively analyzed in this study. Survival curves were detected using log-rank test. Univariate analysis was performed using log-rank test with respect to 13 prognostic factors affecting survival. All statistically significant prognostic factors identified by univariate analysis were entered into a Cox proportion hazards regression model to identify independent predictors of survival. P values were two-sided and P < 0.05 was considered statistically significant.ResultsMedian follow-up time was 47.6 mo, and median survival time of enrolled patients was 21.5 mo. The 1-, 2-, 3- and 5-year overall survival rates were 72.1%, 44.1%, 31.4% and 13.9%, respectively. Tumor size(χ(2) = 14.999, P = 0.000), Barcelona Clinic Liver Cancer (BCLC) stage (χ(2) = 29.765, P = 0.000), Child-Pugh class (χ(2) = 51.820, P = 0.000), portal vein tumor thrombus (PVTT) (χ(2) = 43.086, P = 0.000), arterio-venous fistula (χ(2) = 29.791, P = 0.000), MWA therapy times (χ(2) = 12.920, P = 0.002), Eastern Cooperative Oncology Group (ECOG) score (χ(2) = 28.660, P = 0.000) and targeted drug usage (χ(2) = 10.901, P = 0.001) were found to be significantly associated with overall survival by univariate analysis. Multivariate analysis identified that tumor size (95%CI: 1.608-4.962, P = 0.000), BCLC stage (95%CI: 1.016-2.208, P = 0.020), PVTT (95%CI: 2.062-9.068, P = 0.000), MWA therapy times (95%CI: 0.402-0.745, P = 0.000), ECOG score (95%CI: 1.012-3.053, P = 0.045) and targeted drug usage (95%CI: 1.335-3.143, P = 0.001) were independent prognostic factors associated with overall survival.ConclusionSuperior performance status, MWA treatment and targeted drug were favorable factors, and large HCC, PVTT and advanced BCLC stage were risk factors for survival after TACE-MWA for HCC.

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