Virtual navigation-guided radiofrequency ablation for recurrent hepatocellular carcinoma invisible o

来源 :国际肝胆胰疾病杂志(英文版) | 被引量 : 0次 | 上传用户:myd1977
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Background: No reports are available on the technical efficiency and therapeutic response of virtual nav-igation (VN)-guided radiofrequency ablation (RFA) for patients with recurrent hepatocellular carcinoma (HCC) after hepatic resection. The aim of this study was to investigate the overall technical performance and outcome of VN-guided RFA in recurrent HCC patients. In addition,a nomogram model was developed to predict the factors influencing the overall survival (OS).Methods: This was a prospective study on 76 recurrent HCC patients who underwent VN-guided RFA be-tween June 2015 and February 2018. The technical feasibility,success,and efficiency,OS,local tumor pro-gression,and complications were evaluated. A multivariate Cox regression analysis was conducted to pre-dict the significant factors,and a nomogram including independent predictive factors was subsequently plotted to predict OS. Results: The technical feasibility,success,and efficiency rates of VN-guided RFA were 86.4%,94.7%,and 97.4%,respectively. The cumulative OS rates at 1-,2-,and 3-year were 88.1%,79.7%,and 71.0%,respec-tively. The cumulative local tumor progression rates at 1-,2-,and 3-year were 5.5%,8.7%,and 14.0%,respectively. In addition,the minor and major complication rates were 5.3% and 3.9%,respectively. No intervention-related deaths occurred during the follow-up period. The C-index of the OS nomogram in this study was 0.737. Conclusions: VN-guided RFA is an effective therapeutic option in recurrent HCC patients and improves the long-term outcomes especially for the lesions that cannot be detected in the two-dimensional ultra-sound. Besides,the nomogram may be a useful supporting tool in predicting OS to estimate the individual survival probability,optimize treatment options,and facilitate decision-making.
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