Count of peripheral blood dendritic cells and its clinical significance in patients with acute-on-chronic hepatitis B liver failure
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摘要: 目的探讨乙型肝炎相关的慢加急性肝衰竭(acute-on-Chronic hepatitis B liver failure,ACHBLF)患者外周血树突状细胞(DCs)水平与临床转归的关系。方法收集2010年6月-2014年9月北京佑安医院收治的ACHBLF患者70例,以3个月后的临床预后结局分为存活组和死亡组。多因素Logistic回归分析影响患者预后的临床指标,同时采用流式细胞术检测外周DCs亚群绝对数(107)及百分比(%);两独立样本t检验或秩和检验比较两组DCs水平差异并通过线性相关及多因素回归分析确定其是否可作为慢加急性肝衰竭临床转归的独立预测因素。结果 TBil是影响慢加急性肝衰竭3个月预后的临床指标[比值比(OR)=1.008,95%可信区间(95%CI):1.0031.014,P=0.003)。存活组外周血髓样DCs(m DCs)绝对数[(7.3±6.2)×107]明显高于死亡组[(4.1±4.0)×107](t=2.336,P<0.05);存活组患者外周血浆系DCs(p DCs)绝对数[(0.8±0.6)×107]也明显高于死亡组[(0....Abstract: Objective To investigate the relationship between the count of peripheral blood dendritic cells(DCs) and clinical outcome in patients with acute-on-chronic hepatitis B liver failure(ACHBLF).Methods This study included 70 patients with ACHBLF admitted to our hospital from June 2010 to September 2014.These patients were divided into survival group and death group according to their clinical outcomes at 3 months.Multivariatelogistic regression analysis was used to determine the clinical indices as prognostic factors.Flow cytometry was used to measure the number(107) and percentage(%) of subsets of DCs in peripheral blood.Comparison of DCs between the two groups was made by two-independent-samples t test or rank sum test,and linear correlation and multivariate regression analysis was performed to determine whether DCs could be used as an independent predictor of the clinical outcome of ACHBLF.Results Total bilirubin(TBil) was a clinical prognostic factor for ACHBLF at 3 months(OR = 1.008,95% CI: 1.003-1.014,P = 0.003).The number of myeloid DCs(m DCs) in peripheral blood was significantly higher in the survival group than in the death group [(7.3 ± 6.2) × 107vs(4.1 ± 4.0) × 107,t =2.336,P <0.05],and the number of plasmacytoid DCs(p DCs) in peripheral blood was also significantly higher in the survival group than in the death group [(0.8 ± 0.6) × 107vs(0.4 ± 0.5) × 107,t =2.307,P <0.05).There were no significant differences in the percentages of m DCs and p DCs between the two groups(Z =-0.080,P > 0.05; t =-0.248,P > 0.05).The numbers of m DCs and p DCs showed no linear relationship with TBil(R2= 0.009 and 0.059,respectively).The numbers of m DCs and p DCs could be included in the multivariate regression equation,and the results showed that m DCs(OR = 0.789,95% CI: 0.665-0.935,P = 0.006) and TBil(OR = 1.013,95% CI: 1.006-1.020,P < 0.001) were independent prognostic predictors for ACHBLF.Conclusion The numbers of m DCs and p DCs in peripheral blood are higher in surviving patients with ACHBLF than in those who die,and the number of m DCs is an independent prognostic predictor.The number of DCs may be an influencing factor for the clinical outcome of patients with ACHBLF.
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Key words:
- hepatitis B,chronic /
- liver failure /
- dendritic cells
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