Abstract
To analyze the negative impact of preoperative neutrophil-lymphocyte ratio (NLR) on the tumor recurrence of hepatocellular carcinoma (HCC) after orthotopic liver transplantation. The clinical data of HBV (hepatitis B virus)-associated HCC patients undergoing liver transplantation were retrospectively analyzed. Their clinical and pathological risk factors for tumor-free survival were evaluated by univariate analysis. The analysis of Cox multiple regression was performed to determine the parameters of predicting the HCC recurrence. NLR ≥ 2.5 was considered to be elevated. A total of 76 patients were identified. Among them, 37 had an elevated NLR. The 1, 3 and 5-year tumor-free survival rates were 69.2%, 52.7% and 50.9% respectively. The disease-free survival for patients with high NLR was significantly worse than that for those with normal NLR (1, 3, and 5 year survivals at 56.3%, 37.6% and 37.6% vs 81.1%, 66.9% and 63.3% respectively; P = 0.011). Univariate analysis of factors revealed that tumor size > 5 cm, tumor number > 3, vascular invasion, serum α-fetoprotein level ≥ 400 µg/L and NLR ≥ 2.5 were preoperative predictors of disease-free survival. Cox regression analysis showed that the presence of vascular invasion, tumor number > 3 and NLR ≥ 2.5 were independent prognostic factors of worse disease-free survival. An elevated NLR significantly increases the risk for tumor recurrence in HCC patients undergoing liver transplantation.
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