Efficacy and feasibility of radiofrequency ablation for decompensated cirrhotic patients with hepatocellular carcinoma

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WU Jin-yu
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R686 [筋腱、韧带、滑囊疾病及损伤];
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1002 ; 100210 ;
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Background Most HCC patients with decompensation of liver function lost the chance of surgical and/or interventionaltreatment. The aim of this study was to evaluate feasibility and outcome of radiofrequency ablation (RFA) in treatinghepatocellular carcinoma (HCC) patients with poor liver function (Child-Pugh class C), who are not suitable for surgery orhepatic artery chemo-embolization.Methods Thirteen HCC patients (the number of tumors was 17) with liver function of Child-Pugh C (scores: 10.2±0.4)were included in the study. Among the patients, 8 were male and 5 were female with the average age of (61.6±10.9)years old. The average size of HCC was (3.8±1.0) cm. Two patients were recurrent HCC and 30.8% of the patients hadmultiple tumors (2-3 tumors). All the patients were treated with RFA.Results There were 22 RFA sessions (1-4 sessions per patient) in all, average ablations per tumor at first session was3.1. One week after RFA, the liver enzymes elevated in 9 patients (69.2%), in 7 of them, the liver enzyme returned topre-RFA level in 1-3 months. One month after RFA, the Child-Pugh grading was 10.3±0.8 (Child-Pugh C), while that ofpre-RFA was 10.2±0.4 (Child-Pugh C), with no significant difference. Computer tomography (CT) one month after RFAshowed that the tumor necrosis rate was 88.2% (15/17). Five patients had 2-4 repeated RFA due to HCC recurrence.During the follow-up of 2-69 months in this group, survival rate of one year was 53.8%, two years was 30.8%, and threeyear was 15.4%. The incidence of RFA-related complications was 13.6% (3/22 sessions), including 1 case of GIhemorrhage and 1 sub-capsular hemorrhage of the liver. One patient with HCC over 5 cm who had fever and liverabscess after RFA, and was dead 2 months later due to liver function failure.Conclusions Minimal invasive RFA provides possible treatment modality for HCC patients with poor liver function, whoare not candidates for surgical and/or interventional therapy. For large HCC, due to the required extended treatmentregion, special attention should be paid to the possibility of acute liver failure.
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