期刊
JOURNAL OF HEPATOLOGY
卷 65, 期 5, 页码 938-943出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhep.2016.05.044
关键词
Hepatocellular carcinoma; Liver resection; Portal vein tumor thrombosis; Propensity score-match; Nationwide survey
资金
- Dainippon Sumitomo
- Bayer
Background & Aims: The presence of portal vein tumor thrombosis (PVTT) in patients with hepatocellular carcinoma (HCC) is regarded as indicating an advanced stage, and liver resection (LR) is not recommended. The aim of this study was to evaluate the survival benefit of LR for HCC patients with PVTT through the analysis of the data from a Japanese nationwide survey. Methods: We analyzed data for 6474 HCC patients with PVTT registered between 2000 and 2007. Of these patients, 2093 patients who underwent LR and 4381 patients who received other treatments were compared. The propensity scores were calculated and we successfully matched 1058 patients (66.1% of the LR group). Results: In the Child-Pugh A patients, the median survival time (MST) in the LR group was 1.77 years longer than that in the non-LR group (2.87 years vs. 1.10 years; p <0.001) and 0.88 years longer than that in the non-LR group (2.45 years vs. 1.57 years; p <0.001) in a propensity score-matched cohort. A subgroup analysis revealed that LR provides a survival benefit regardless of age, etiology of HCC, tumor marker elevation, and tumor number. The survival benefit was not statistically significant only in patients with PVTT invading the main trunk or contralateral branch. In the LR group, the postoperative 90-day mortality rate was 3.7% (68 patients). Conclusions: As long as the PVTT is limited to the first-order branch, LR is associated with a longer survival outcome than non-surgical treatment. Lay summary: The presence of portal vein tumor thrombosis in patients with hepatocellular carcinoma is regarded as indicating an advanced stage, and liver resection is not recommended. We performed a multicenter, nationwide study to assess the survival benefit of liver resection in hepatocellular carcinoma patients with portal vein tumor thrombosis using propensity score based matching. As long as the portal vein tumor thrombosis is limited to the first-order branch, liver resection is associated with a longer survival outcome than non-surgical treatment. (C) 2016 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.
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