Jia-Yan Ni1, Hong-Liang Sun1, Yao-Ting Chen1, Jiang-Hong Luo1, Dong Chen1, Xiong-Ying Jiang1, Lin-Feng Xu1. 1. 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.
Abstract
AIM: To analyze prognostic factors for survival after transarterial chemoembolization (TACE) combined with microwave ablation (MWA) for hepatocellular carcinoma (HCC). METHODS: Clinical 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. RESULTS: Median 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. CONCLUSION: Superior 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.
AIM: To analyze prognostic factors for survival after transarterial chemoembolization (TACE) combined with microwave ablation (MWA) for hepatocellular carcinoma (HCC). METHODS: Clinical 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. RESULTS: Median 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. CONCLUSION: Superior 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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