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

王璐; 许文雄; 朱姝; 李学俊; 陈苑莉; 谢婵; 彭亮

doi:10.3969/j.issn.1001-5256.2022.05.015

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

中山大学附属第三医院感染科，广州 510635

基金项目:

国家自然科学基金面上项目 (82070611);

中山大学5010临床研究项目 (2020007)

伦理学声明：本研究方案于2020年9月29日经由中山大学附属第三医院伦理委员会审批，批号：[2020]-02-173-01。所有患者均知情同意。

利益冲突声明：本研究不存在研究者、伦理委员会成员、受试者监护人以及与公开研究成果有关的利益冲突。

作者贡献声明：王璐、许文雄负责课题设计，资料分析，撰写论文；朱姝、李学俊、陈苑莉、谢婵参与收集数据，修改论文；彭亮负责拟定写作思路，指导撰写文章并最后定稿。

详细信息

通信作者:
彭亮，pliang@mail.sysu.edu.cn

王璐、许文雄对本文贡献等同, 为共同第一作者

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出版历程
- 收稿日期: 2022-01-14
- 录用日期: 2022-02-15
- 出版日期: 2022-05-20

Influence of artificial liver support system therapy on platelet in treatment of hepatitis B virus-related acute-on-chronic liver failure

Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510635, China

Research funding:

Natural Science Foundation of China(General Program) （82070611）

Sun Yat-Sen University Clinical Research 5010 Program （2020007）

More Information

Corresponding author: PENG Liang, pliang@mail.sysu.edu.cn(ORCID: 0000-0001-6184-5750)

摘要

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。
- 乙型肝炎病毒 /
- 肝功能衰竭 /
- 肝, 人工 /
- 血小板
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.
- Hepatitis B virus /
- Liver Failure /
- Liver, Artificial /
- Platelet

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图 1 肝硬化和非硬化患者接受人工肝治疗PLT变化趋势

Figure 1. Changes of PLT in cirrhotic and non-cirrhotic patients receiving ALSS therapy

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图 2 PE或DPMAS+LPE治疗后PLT变化趋势

Figure 2. Changes of PLT in patients receiving PE or DPMAS+LPE therapy

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图 3 不同人工肝治疗次数PLT变化趋势

Figure 3. Changes of PLT in patients receiving different sessions of ALSS therapy

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图 4 基线PLT计数评估人工肝治疗后PLT＞50×10⁹/L的ROC曲线分析

Figure 4. The ROC analysis of PLT > 50×10⁹/L after ALSS treatment evaluated by baseline PLT level

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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

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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。

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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。

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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
指标	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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