The aim of this study was to compare the efficacy of liver transplantation (LT) and liver resection (LR) for hepatocellular carcinoma (HCC) patients with portal vein tumor thrombus (PVTT) and to investigate risk factors affecting prognosis. Materials and Methods: A total of 94 HCC patients with PVTT type I (segmental PVTT) and PVTT type II (lobar PVTT) were involved and divided into LR (n=47) and LT groups (n=47). Recurrence-free survival (RFS) and overall survival (OS) were compared before and after inverse probability of treatment weighting (IPTW). Prognostic factors for RFS and OS were explored. Results: Two treatment groups were well-balanced using IPTW. In the entire cohort, LT provided a better prognosis than LR. Among patients with PVTT type I, RFS was better with LT (p=0.039); OS was not different significantly between LT and LR (p=0.093). In subgroup analysis of PVTT type I patients with α-fetoprotein (AFP) levels >200 ng/mL, LT elicited significantly longer median RFS (18.0 months vs. 2.1 months, p=0.022) and relatively longer median OS time (23.6 months vs. 9.8 months, p=0.065). Among patients with PVTT type II, no significant differences in RFS and OS were found between LT and LR (p=0.115 and 0.335, respectively). Multivariate analyses showed treatment allocation (LR), tumor size (>5 cm), AFP and aspartate aminotransferase (AST) levels to be risk factors of RFS and treatment allocation (LR), AFP and AST as risk factors for OS. Conclusion:LT appeared to afford a better prognosis for HCC with PVTT type I than LR, especially in patients with AFP levels >200 ng/mL.
The aim of the study was to assess the relationship between procalcitonin (PCT) serum levels and acute ischemic stroke (AIS) in a Chinese sample. All consecutive patients with first-ever AIS between January 2012 and December 2013 were recruited to participate in the study. PCT levels and National Institutes of Health Stroke Scale scores were evaluated at the time of admission. Logistic regression analysis was used to evaluate the risk for stroke according to serum PCT levels. The results indicated that serum PCT levels were significantly higher in AIS patients as compared with normal controls (P<0.0001). PCT levels increased with increasing severity of stroke, as defined by the National Institutes of Health Stroke Scale score. After adjusting for all other possible covariates, PCT level was found to be associated with an increased risk for AIS, with an adjusted odds ratio of 2.244 (95% confidence interval 1.563-3.756, P<0.0001). On the basis of the receiver operating characteristic curve, the optimal cutoff value of serum PCT levels as an indicator for auxiliary diagnosis of AIS was projected to be 1.20 ng/ml, which yielded a sensitivity of 79.6% and a specificity of 72.1%, with the area under the curve at 0.801 (95% confidence interval 0.762-0.844). An elevated serum level of PCT was a novel, independent diagnostic marker of AIS in the Chinese sample. Further study is needed to confirm these results.
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