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  • Title: [The Predictive Value of Perioperative Inflammatory Indicatorsin Prognosis of the Intrahepatic Cholangiocarcinoma Patients after Hepatectomy].
    Author: Zhang ZF, Wang T, Kong JJ, Yang LP, Yang XW, Wang WT.
    Journal: Sichuan Da Xue Xue Bao Yi Xue Ban; 2020 May; 51(3):403-410. PubMed ID: 32543151.
    Abstract:
    OBJECTIVE: To evaluate the effect of perioperative inflammatory indicators on the prognosis of the patients with intrahepatic cholangiocarcinoma (ICC) after hepatectomy. METHODS: The clinical data of 231 ICC patients in the West China Hospital of Sichuan University from December 2006 to December 2016 were retrospectively collected. Neutrophil-to-lymphocyte ratio (NLR), derived neutrophil-to-lymphocyte ratio (d-NLR) and platelet-to-lymphocyte ratio (PLR) of patients during the perioperative period (pre-operation, postoperative day 3 and day 5) were analyzed. The X-tile software was used to determine the optimal cut-off values of NLR, d-NLR and PLR in pre-operation, postoperative day 3 and day 5. Based on the cut-off values, all patients were divided into high level group and low level group, and Kaplan-Meier methods were used to analyze the correlations of NLR, d-NLR and PLR with the disease-free survival (DFS) and overall survival (OS) of patients. Univariate and multivariate Cox regression models were applied to assess the prognostic values of NLR, d-NLR and PLR. Nomogram was established to predict the prognosis for ICC patients, and the predicting accuracy was evaluated by the Consistency index ( C-index). RESULTS: A total of 231 ICC patients including 115 males and 116 females were enrolled into this study, and the proportion of patients aged <60 years was 57.1%. Among the patients enrolled, 161 patients (69.7%) recurred and 156 patients (67.5%) died after hepatectomy. The median time of DFS and OS were 8.9 and 12.5 months respectively. The Kaplan-Meier curves showed that d-NLR and NLR levels in pre-operation, postoperative day 3 and day 5, together with the preoperative PLR level were correlated with the time of DFS ( P<0.05). Meanwhile, d-NLR and PLR levels in pre-operation, postoperative day 3 and day 5, together with the NLR level in pre-operation and postoperative day 3 were correlated with the time of OS ( P<0.05). Univariate and multivariate Cox regression model analysis suggested that high level of the preoperative NLR and d-NLR, together with the high level of NLR on postoperative day 3 were the independent influencing factors of poor DFS. High level of the preoperative NLR and d-NLR, together with the high level of NLR on postoperative day 3 were the independent influencing factors of OS. The level of PLR level was not correlated with DFS and OS. The C-index values of nomogram for predicting DFS and OS were 0.738 (95% confidence interval: 0.699-0.777) and 0.778 (95% confidence interval: 0.758-0.818), respectively. CONCLUSION: High level of the preoperative NLR, preoperative d-NLR and NLR on postoperative day 3 in ICC patients indicate poor prognosis, and PLR has no prognostic value for ICC patients after hepatectomy.
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