23 February 2016 : Original article
Pretransplant Elevated Plasma Fibrinogen Level is a Novel Prognostic Predictor for Hepatocellular Carcinoma Recurrence and Patient Survival Following Liver TransplantationGuo-Ying WangABCDEFG, Nan JiangBC, Hui-Min YiBCD, Gen-Shu WangBC, Jian-Wen ZhangCE, Hua LiDF, Jian ZhangBF, Qi ZhangCDF, Yang YangAFG, Gui-Hua ChenAG
Ann Transplant 2016; 21:125-130
BACKGROUND: Elevated plasma fibrinogen is associated with tumour progression and poor outcomes in several cancers. The present study investigated the prognostic value of preoperative fibrinogen in hepatocellular carcinoma (HCC) patients after liver transplantation (LT).
MATERIAL AND METHODS: We analyzed the preoperative plasma fibrinogen levels of 41 patients who underwent LT for HCC. The cut-off value for elevated level of fibrinogen was determined by using a receiver operating characteristic (ROC) curve analysis. Cox regression analysis was performed to analyze the relationship between elevated fibrinogen level and HCC recurrence. The disease-free survival (DFS) and overall survival (OS) rate after transplantation were calculated by Kaplan-Meier method and compared by log-rank test.
RESULTS: The fibrinogen levels were significantly higher in patients with tumor recurrence (3.31±0.98 g/L) compared with those in patients without recurrence (2.39±0.89 g/L) (P<0.01). A cut-off value for elevated fibrinogen level of 2.675 g/L was defined. Cox regression analysis showed that the relative risk for tumor recurrence increased by 6.871 times for patients with elevated fibrinogen. Eleven patients in the elevated fibrinogen group (21 cases) developed recurrence, while only 2 in the normal fibrinogen group (20 cases) developed recurrence. There were significant differences in DFS and OS between the elevated fibrinogen group and normal fibrinogen group (5-year DFS and OS of 44.0% and 42.9% vs. 89.2% and 80.0%, respectively, P<0.05). Vascular invasion and fibrinogen level ≥2.675 g/L were the independent prognostic predictors of tumor recurrence and poor outcome.
CONCLUSIONS: Pretransplant elevated fibrinogen levels are associated with tumor recurrence and poor prognosis in hepatocellular carcinoma patients after liver transplantation.
Keywords: Fibrinogen, Liver Transplantation, Prognosis, Recurrence
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