人工肝治疗HBV相关慢加急性肝衰竭的血小板计数变化及其影响因素
DOI: 10.3969/j.issn.1001-5256.2022.05.015
Influence of artificial liver support system therapy on platelet in treatment of hepatitis B virus-related acute-on-chronic liver failure
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摘要:
目的 探究乙型肝炎相关慢加急性肝衰竭(HBV-ACLF)患者接受人工肝治疗后PLT计数的变化趋势和影响因素。 方法 选取2018年1月—2021年11月在中山大学附属第三医院住院接受血浆置换治疗(n=102)和双重血浆分子吸附系统联合低剂量血浆置换(n=50)的152例HBV-ACLF患者,分析患者的临床资料和实验室指标。计量资料两组间比较采用独立样本t检验或Mann-Whitney U检验,计数资料两组间比较采用χ2检验;采用logisitic多因素分析影响人工肝治疗后PLT>50×109/L的危险因素, 采用ROC曲线分析基线PLT计数对人工肝治疗后PLT>50×109/L的预测价值。 结果 纳入患者以中年男性为主,70例(46.1%)患者在入院时合并肝硬化,114例(75.0%)患者接受3次人工肝治疗,基线PLT>50×109/L患者占比为88%。总体患者人工肝治疗后PLT计数较基线水平显著下降(79.5±47.7 vs 112.5±64.1, t=4.965, P<0.001),治疗后1周PLT计数升高至基线水平(97.2±50.7 vs 112.5±64.1, t=1.787, P=0.075)。进一步比较人工肝治疗后1周PLT计数较基线的变化量,发现肝硬化组PLT下降幅度显著高于非肝硬化组(U=1986.5,P=0.026),而在不同人工肝术式、治疗次数(3~5次)之间无显著差异(P值均>0.05)。通过logisitic多因素分析发现,合并肝硬化(OR=3.097,95%CI:1.255~7.645,P=0.014)和基线PLT>50×109/L(OR=0.019,95%CI:0.002~0.154,P<0.001)是影响人工肝治疗后PLT>50×109/L的独立危险因素。对基线PLT计数进行ROC曲线分析,发现基线PLT>80.5×109/L是影响治疗后PLT>50×109/L的最佳截断值,ROC曲线下面积为0.818。 结论 人工肝治疗对PLT的影响是暂时性的,但肝硬化患者的PLT生长能力弱于非肝硬化患者; 基线PLT>80.5×109/L是降低人工肝治疗后出血风险的最佳界值。 Abstract:Objective To investigate the changing trend of platelet count (PLT) and related influencing factors in patients with hepatitis B virus-related chronic-on-acute liver failure (HBV-ACLF) after artificial liver support system (ALSS) therapy. Methods A total of 152 patients with HBV-ACLF who were hospitalized and treated in The Third Affiliated Hospital of Sun Yat-Sen University from January 2018 to November 2021 were included in the study, among whom 102 patients received plasma exchange (PE) and 50 patients received double plasma molecular absorption system combined with low-dose PE, and their clinical data and laboratory marker were measured. The independent samples t-test or the Mann-Whitney U test was used for the comparison of continuous data between two groups, and the chi-square test was used for the comparison of categorical data between two groups; a multivariate logistic regression analysis was used to investigate the risk factors for PLT > 50×109/L after ALSS therapy; the receiver operating characteristic (ROC) curve was used to investigate the value of baseline PLT in predicting PLT > 50×109/L after ALSS therapy. Results The patients were mostly middle-aged male adults; among the 152 patients, 70 (46.1%) had liver cirrhosis on admission, 114 (75.0%) received three sessions of ALSS therapy, and 88% had a baseline PLT count of > 50×109/L. There was a significant reduction in PLT from baseline to after ALSS therapy (79.5±47.7 vs 112.5±64.1, t=4.965, P < 0.001), and at 1 week after treatment, PLT increased to the baseline level (97.2±50.7 vs 112.5±64.1, t=1.787, P=0.075). As for the change in PLT from baseline to 1 week after ALSS therapy, the liver cirrhosis group had a significantly greater reduction in PLT than the non-liver cirrhosis group (U=1986.5, P=0.026), while there was no significant difference between different procedures of ALSS therapy and different sessions of treatment (3-5 sessions) (all P > 0.05). The multivariate logistic regression analysis showed that cirrhosis (odds ratio [OR]=3.097, 95% confidence interval [CI]: 1.255-7.645, P=0.014) and PLT > 50×109/L at baseline (OR=0.019, 95%CI: 0.002-0.154, P < 0.001) were independent risk factors for PLT > 50×109/L after ALSS therapy. The ROC curve analysis of baseline PLT showed that PLT > 80.5×109/L at baseline was the optimal cut-off value affecting PLT > 50×109/L after treatment, with an area under the ROC curve of 0.818. Conclusion The influence of ALSS therapy on PLT is temporary, but cirrhotic patients have a weaker PLT generation ability than non-cirrhotic patients. PLT > 80.5×109/L at baseline is the optimal cut-off value to reduce the risk of bleeding after ALSS therapy. -
Key words:
- Hepatitis B virus /
- Liver Failure /
- Liver, Artificial /
- Platelet
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表 1 HBV-ACLF患者临床基本资料分析
Table 1. Baseline characteristics of study patients
指标 数值 年龄(岁) 43±10 性别[例(%)] 男 143(94.1) 女 9(5.9) ACLF分级[例(%)] ACLF-1 94(61.8) ACLF-2 57(37.5) ACLF-3 1(0.7) 肝性脑病[例(%)] 14(9.2) 肝硬化[例(%)] 70(46.1) 人工肝术式[例(%)] PE 102(67.1) DPMAS+LPE 50(32.9) 人工肝治疗次数[例(%)] 3次 114(75.0) 4次 23(15.1) 5次 15(9.9) AST(U/L) 112(75~183) ALT(U/L) 108(59~268) Alb(g/L) 35.6±4.8 TBil(μmol/L) 422.6±129.2 TBA(μmol/L) 258.2±97.0 BUN(μmol/L) 3.6±1.8 Cr(μmol/L) 69.3±18.1 PT(s) 26.4±8.3 INR 2.5±1.0 K(mmol/L) 3.6±0.5 Na(mmol/L) 136.0±9.2 WBC(×109/L) 7.0±2.7 NEU(%) 0.68±0.10 PLT(×109/L) 112.5±64.1 PLT>50×109/L[例(%)] 135(88.8) MELD评分 25.0±4.7 COSSH-ACLF Ⅱ评分 7.0±0.8 表 2 人工肝治疗后PLT较基线变化量的比较
Table 2. The changes of PLT from baseline after ALSS treatment
组别 例数 ΔPLT(×109/L) ΔPLT(1周) (×109/L) 是否肝硬化 肝硬化组 70 22(9~48) 3(-17~ 26) 非肝硬化组 82 31(13~ 49) 18(-5~ 45)1) 人工肝治疗方式 PE组 102 23(7~ 48) 14(-17~ 37) DPMAS+LPE组 50 33(17~ 52) 13(-11~44) 人工肝治疗次数 治疗3次 114 28(12~48) 12(-14~36) 治疗4次 23 27(9~48) 15(-12~39) 治疗5次 15 22(8~55) 17(-15~51) 注:与肝硬化组比较,1)P<0.05。 表 3 不同PLT水平的短期死亡率或肝移植率比较
Table 3. Short-term mortality or liver transplantation rates in patients with different levels of PLT
组别 例数 28 d死亡或肝移植率 90 d死亡或肝移植率 基线PLT[例(%)] >50×109/L 135 18(13.3) 26(19.3) ≤50×109/L 17 8(47.1)1) 10(58.8)1) 治疗后PLT[例(%)] >50×109/L 110 13(11.8) 19(17.3) ≤50×109/L 42 13(31.0)2) 17(40.5)2) 治疗后1周PLT[例(%)] >50×109/L 135 23(17.0) 30(22.2) ≤50×109/L 17 3(17.6) 6(35.3) 注:与基线PLT>50×109/L比较,1)P<0.05; 与治疗后PLT>50×109/L比较,2)P<0.05。 表 4 影响人工肝治疗后PLT>50×109/L的危险因素分析
Table 4. Risk factors for PLT > 50×109/L in patients after ALSS treatment
指标 单因素分析 多因素分析 OR(95%CI) P值 OR(95%CI) P值 年龄 1.048(1.009~1.088) 0.015 ACLF分级 3.294(1.567~6.926) 0.002 肝硬化 3.238(1.533~6.842) 0.002 3.097(1.255~7.645) 0.014 INR 1.912(1.313~2.783) 0.001 WBC 0.838(0.713~0.985) 0.032 基线PLT>50×109/L 0.033(0.007~0.155) <0.001 0.019(0.002~0.154) <0.001 -
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