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首页> 中文期刊> 《世界胃肠病学杂志：英文版》 >Significance of platelet count and platelet-based models for hepatocellular carcinoma recurrence

Significance of platelet count and platelet-based models for hepatocellular carcinoma recurrence

         
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AIM:To explore the effects of platelet count(PLT)and11 platelet-based indices on postoperative recurrence of hepatocellular carcinoma(HCC).METHODS:We retrospectively analyzed 172 HCC patients who were treated by partial hepatectomy.Preoperative data,including laboratory biochemical results,were used to calculate the 11 indices included in the analysis.We performed receiver operating characteristic curve analysis to determine the optimal cut-off values for predicting recurrence.Cumulative rates of HCC recurrence were calculated using KaplanMeier survival curves and differences were analyzed by log-rank tests.Multivariate analyses were performed to identify independent predictors of recurrence,early recurrence(within one year after surgery),and late recurrence in HCC.To obtain better prognostic models,PLT-based indices were analyzed separately after being expressed as binary and continuous variables.Two platelet-unrelated,validated HCC prognostic models were included in the analyses as reference indices.Additional analyses were performed after patients were stratified based on hepatitis B virus infection status,cirrhosis,and tumor size to investigate the significance of platelets in different subgroups.RESULTS:In the study cohort,44.2%(76/172)of patients experienced HCC recurrence,and 50.6%(87/172)died during a median follow-up time of 46mo.PLT and five of the 11 platelet-related models were significant predisposing factors for recurrence(P<0.05).Multivariate analysis indicated that,among the clinical parameters,presence of ascites,PLT≥148×109/L,alkaline phosphatase≥116 U/L,and tumor size≥5 cm were independently associated with ahigher risk of HCC recurrence(P<0.05).Independent and significant models included the aspartate aminotransferase/PLT index,fibrosis index based on the four factors,fibro-quotient,aspartate aminotransferase/PLT/γ-glutamyl transpeptidase/alpha-fetoprotein index,and the PLT/age/alkaline phosphatase/alphafetoprotein/aspartate aminotransferase index.There were different risk factors between early and late recurrences,and PLT and these indices were more inclined to influence late recurrence.PLT was only predictive of recurrence in non-cirrhotic HCC patients,and was not influenced by tumor size,which was a critical confounder in our study.CONCLUSION:PLT and PLT-basednoninvasive models are effective tools for predicting postoperative recurrence,especially late recurrence.Larger cohorts are needed to validate our findings.

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