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尿肝型脂肪酸结合蛋白(L-FABP)对慢加急性肝衰竭短期预后的预测价值

吴华兰 洪畅泽 蒋秀华 陈金军

引用本文:
Citation:

尿肝型脂肪酸结合蛋白(L-FABP)对慢加急性肝衰竭短期预后的预测价值

DOI: 10.12449/JCH240821
基金项目: 

国家重点研发专项 (2022YFC2304800);

国家自然科学基金 (82370614);

国家自然科学基金 (82070650);

国家科技部重大专项 (2018ZX10723203);

广东省珠江人才计划 (2017BT01S131);

南方医院“临床研究专项” (2018CR037);

南方医院“临床研究专项” (2020CR026);

南方医科大学临床启动计划 (LC2019ZD006);

南方医院院长基金 (2019Z003);

广东省重点领域研发计划 (2019B020227004)

伦理学声明:本研究方案于2017年11月1日经由南方医科大学南方医院伦理委员会审批,批号:NFEC-2017-097,在ClinicalTrials.gov注册(注册号:NCT03281278,NCT04119973),患者均签署知情同意书。
利益冲突声明:本文不存在任何利益冲突。
作者贡献声明:吴华兰、洪畅泽负责研究设计,数据收集与分析,稿件撰写;洪畅泽、蒋秀华负责数据收集与分析,稿件修改;陈金军负责研究设计与把控,并最后定稿。
详细信息
    通信作者:

    陈金军, chjj@smu.edu.cn (ORCID: 0000-0003-4275-9149)

Value of urinary liver fatty acid-binding protein in predicting the short-term prognosis of patients with acute-on-chronic liver failure

Research funding: 

National Key Research and Development Program of China (2022YFC2304800);

National Natural Science Foundation of China (82370614);

National Natural Science Foundation of China (82070650);

National Science and Technology Major Project (2018ZX10723203);

Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01S131);

Clinical Research Program of Nanfang Hospital, Southern Medical University (2018CR037);

Clinical Research Program of Nanfang Hospital, Southern Medical University (2020CR026);

Clinical Research Startup Program of Southern Medical University by High-level University Construction Funding of Guangdong Provincial Department of Education (LC2019ZD006);

President Foundation of Nanfang Hospital, Southern Medical University (2019Z003);

Key-Area Research and Development Program of Guangdong Province (2019B020227004)

More Information
    Corresponding author: CHEN Jinjun, chjj@smu.edu.cn (ORCID: 0000-0003-4275-9149)
  • 摘要:   目的  探讨肝型脂肪酸结合蛋白(L-FABP)对慢加急性肝衰竭(ACLF)患者严重程度及短期预后的预测价值。  方法  研究对象149例来自于一个评估ACLF患者血小板功能的前瞻性、多中心队列,根据入院28天预后分为生存组(n=97)与死亡组(n=52)。分析患者的性别、年龄、病因以及入院后24 h内的血常规、生化指标、器官衰竭情况并检测尿液及血液中L-FABP水平。正态分布的计量资料2组间比较使用成组t检验;非正态资料分布的计量资料2组间比较采用Mann-Whitney U检验;计数资料2组间比较采用χ2检验。Spearman相关性检验评估尿L-FABP与肝衰竭相关指标的相关性。绘制受试者工作特征曲线(ROC曲线)评价CLIF-OFs、MELD评分和尿L-FABP对于ACLF患者短期预后的预测价值;通过Kaplan-Meier分析尿L-FABP高水平组与低水平组患者短期死亡情况;采用Cox风险比例模型分析各因素对ACLF短期预后的影响。  结果  两组患者在白细胞计数、血清TBil、INR、CLIF-OFs、MELD评分和尿L-FABP水平;脑衰竭、肝衰竭、凝血衰竭、肾脏衰竭、呼吸衰竭的比例方面差异均有统计学意义(P值均<0.05)。相关性分析结果显示,尿L-FABP与血清TBil呈显著正相关(r=0.225,P=0.006)。尿L-FABP水平预测28天预后的ROC曲线下面积(AUC)为0.804(95%CI:0.729~0.865,P<0.001),截断值为4.779 µg/dL(敏感度为73.08%,特异度为73.91%,约登指数为0.469 9)。Kaplan-Meier生存分析发现,相比于尿L-FABP低水平组(尿L-FABP≤4.779 µg/dL),尿L-FABP高水平组(尿L-FABP>4.779 µg/dL)28天生存率显著降低(P<0.001)。Cox风险比例模型分析发现,血清TBil(HR=1.003,95%CI:1.001~1.004)、CLIF-OFs(HR=2.283,95%CI:1.814~2.873)和高尿L-FABP水平(HR=4.568,95%CI:2.424~8.608)为ACLF短期预后的独立危险因素(P值均<0.05)。  结论  高尿L-FABP水平可作为ACLF短期预后的临床预测指标,需扩大样本量进一步验证其预测价值。

     

  • 图  1  尿L-FABP与血清TBil、肌酐的相关性分析

    Figure  1.  Analysis of the correlation between urinary L-FABP and serum total bilirubin and creatinine

    图  2  MELD评分、CLIF-OFs和尿L-FABP水平对ACLF短期预后的ROC曲线

    Figure  2.  ROC curve of MELD score, CLIF-OFs and urinary L-FABP on short-term prognosis of ACLF patients

    图  3  不同水平尿L-FABP组生存曲线分析

    Figure  3.  Survival analysis of different urinary L-FABP groups

    表  1  CLIF-OFs系统

    Table  1.   CLIF-OFs system

    器官/系统 1分 2分 3分
    肝脏 TBil<6 mg/dL 6 mg/dL≤TBil<12 mg/dL TBil≥12 mg/dL
    肾脏 肌酐<2 mg/dL 2 mg/dL≤肌酐<3.5 mg/dL 肌酐≥3.5 mg/dL或肾脏替代治疗
    脑(肝性脑病分级) 0级 Ⅰ~Ⅱ级 Ⅲ~Ⅳ级
    凝血 INR<2.0 2.0≤INR<2.5 INR≥2.5
    循环 平均动脉压≥70 mmHg 平均动脉压<70 mmHg 使用血管活性药物
    呼吸 PaO2/FiO2>300 或SPO2/FiO2>357

    200<PaO2/FiO2≤300

    或214<SPO2/FiO2≤357

    PaO2/FiO2≤200 或SPO2/FiO2≤214

    注:PaO2/FiO2,氧分压/氧浓度;SPO2/FiO2,血氧饱和度/氧浓度。

    下载: 导出CSV

    表  2  患者的基线资料

    Table  2.   Baseline data of the patients

    指标 生存组(n=97) 死亡组(n=52) 统计值 P
    年龄(岁) 48±12 52±13 t=1.883 0.062
    男性[例(%)] 81(83.5) 39(75.0) χ2=1.562 0.211
    病因[例(%)] χ2=4.378 0.217
    乙型肝炎 69(71.1) 33(63.5)
    乙型肝炎合并其他 8(8.2) 9(17.3)
    酒精性肝病 9(9.3) 2(3.8)
    其他1) 11(11.3) 8(15.4)
    白细胞计数(×109/L) 6.3(4.3~7.9) 8.8(6.2~14.7) Z=-4.514 <0.001
    ALT(U/L) 198.0(49.0~433.0) 142.0(44.3~410.5) Z=-0.677 0.498
    AST(U/L) 153.0(74.0~339.0) 192.5(90.3~375.3) Z=-1.033 0.301
    TBil(µmol/L) 289.6(204.9~360.2) 430.9(323.9~533.3) Z=-5.386 <0.001
    Alb(g/L) 31.0(27.9~34.8) 30.3(26.9~34.1) Z=-0.797 0.426
    INR 2.1(1.8~2.5) 2.9(2.3~3.6) Z=-5.126 <0.001
    肌酐(µmol/L) 66.0(53.4~82.0) 78.0(52.7~121.8) Z=-1.631 0.103
    脑衰竭[例(%)] 0(0.0) 11(21.2) χ2=10.262 <0.001
    肝衰竭[例(%)] 73(75.3) 50(96.2) χ2=22.155 0.001
    凝血衰竭[例(%)] 26(26.8) 37(71.2) χ2=27.284 <0.001
    肾脏衰竭[例(%)] 2(2.1) 6(11.5) χ2=5.984 0.039
    呼吸衰竭[例(%)] 0(0.0) 4(7.7) χ2=7.667 0.014
    循环衰竭[例(%)] 3(3.1) 2(3.8) χ2=0.059 >0.05
    CLIF-OFs 9(8~10) 10(9~12) Z=-6.318 <0.001
    MELD评分 26.2±3.7 32.8±5.9 t=7.240 <0.001
    血浆L-FABP(µg/dL) 3.0(1.8~6.1) 3.6(1.6~9.6) Z=-0.781 0.435
    尿L-FABP(µg/dL) 3.8(2.2~5.2) 6.7(4.6~12.9) Z=-5.733 <0.001

    注:1)生存组包含2例自身免疫性肝病患者、1例代谢性肝病患者、8例肝硬化原因不明患者;死亡组包含1例丙型肝炎患者、2例药物性肝损伤患者和5例肝硬化原因不明患者。

    下载: 导出CSV

    表  3  影响ACLF患者预后的单因素和多因素分析

    Table  3.   Univariate and multivariate analysis of prognostic factors in ACLF patients

    指标 单因素分析 多因素分析
    HR 95%CI P HR 95%CI P
    年龄(岁) 1.019 0.996~1.043 0.105
    性别 1.464 0.781~2.744 0.235
    病因 0.084
    乙型肝炎
    乙型肝炎合并其他 0.701 0.323~1.518 0.367
    酒精性肝病 1.617 0.623~4.194 0.323
    其他 0.355 0.075~1.675 0.191
    白细胞计数(×109/L) 1.019 1.007~1.032 0.002
    ALT(U/L) 1.000 1.000~1.000 0.834
    AST(U/L) 1.000 1.000~1.001 0.066
    TBil(µmol/L) 1.004 1.003~1.006 <0.001 1.003 1.001~1.004 0.001
    Alb(g/L) 0.984 0.934~1.036 0.532
    INR 2.367 1.865~3.004 <0.001
    肌酐(µmol/L) 1.002 1.001~1.004 0.006
    MELD评分 1.162 1.121~1.203 <0.001
    CLIF-OFs 2.323 1.906~2.832 <0.001 2.283 1.814~2.873 <0.001
    尿L-FABP
    ≤4.779 µg/dL 1.000 1.000
    >4.779 µg/dL 4.834 2.612~8.947 <0.001 4.568 2.424~8.608 <0.001
    下载: 导出CSV

    表  4  尿L-FABP水平与ACLF患者器官衰竭和AKI的关系

    Table  4.   The relationship between urinary L-FABP levels and organ failure or acute kidney injury in ACLF patients

    项目 低水平组(n=84) 高水平组(n=65)
    是 [例(%)] 否 [例(%)] 是 [例(%)] 否 [例(%)]
    器官衰竭
    循环 3(3.6) 81(96.4) 2(3.1) 63(96.9)
    呼吸 2(2.4) 82(97.6) 2(3.1) 63(96.9)
    3(3.6) 81(96.4) 8(12.3) 57(87.7)
    肝脏 63(75.0) 21(25.0) 60(92.3) 5(7.7)
    肾脏 1(1.2) 83(98.8) 7(10.8) 58(89.2)
    凝血 28(33.3) 56(66.7) 35(53.8) 30(46.2)
    AKI 7(8.3) 77(91.7) 16(24.6) 49(75.4)
    下载: 导出CSV
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