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超声衍生脂肪分数、受控衰减参数及肝肾回声比值对代谢相关脂肪性肝病肝脂肪变性分级的诊断价值比较

曹新格 张亚丽 贾立镯 陈江红 董毅

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Citation:

超声衍生脂肪分数、受控衰减参数及肝肾回声比值对代谢相关脂肪性肝病肝脂肪变性分级的诊断价值比较

DOI: 10.12449/JCH250913
基金项目: 

河北省卫生健康委医学科学研究课题计划项目 (20241383)

伦理学声明:本研究方案于2023年1月13日经由河北医科大学第一医院临床研究伦理委员会审批,批号:【2023】研审第(S00358)号。所纳入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:曹新格负责课题设计,资料分析,撰写论文;张亚丽参与收集数据,修改论文;贾立镯参与收集数据,修改论文;陈江红负责图片质量控制,数据核对;董毅负责拟定写作思路,指导撰写文章并最后定稿。
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    董毅, dongyi0813@163.com (ORCID: 0009-0000-4848-8701)

Comparison of the diagnostic value of ultrasound-derived fat fraction, controlled attenuation parameter, and hepatic/renal ratio in the grading of hepatic steatosis in metabolic associated fatty liver disease

Research funding: 

Hebei Provincial Health Commission Medical Science Research Project (20241383)

More Information
  • 摘要:   目的  以磁共振成像质子密度脂肪分数(MRI-PDFF,简称PDFF)作为金标准,分析比较超声衍生脂肪分数(UDFF)、受控衰减参数(CAP)及肝肾回声比值(HRR)对代谢相关脂肪性肝病(MAFLD)肝脂肪变性的诊断准确性和分级能力。  方法  选取2023年1月—2024年12月于河北医科大学第一医院就诊的150例MAFLD患者,并招募健康志愿者148例。所有受试者均接受PDFF、UDFF、CAP及HRR检查,利用PDFF对肝脂肪变性进行分级(S0级:148例,S1级:92例,S2级:21例,S3级:37例),分析MAFLD不同级别肝脂肪变性患者UDFF、CAP、HRR的临床资料特征及差异。符合正态分布的计量资料多组间比较采用单因素方差分析,进一步两两比较采用Tukey HSD检验;不符合正态分布的计量资料多组间比较采用Kruskal-Waills H检验,进一步两两比较采用MannWhitney U检验。计数资料组间比较采用χ2检验。UDFF、CAP、HRR与PDFF在不同分级MAFLD中的相关性采用Spearman相关性分析;受试者操作特征曲线(ROC曲线)分析UDFF、CAP、HRR对MAFLD不同程度肝脂肪变性的诊断效能;Bland-Altman差值图分析UDFF和PDFF在MAFLD不同程度肝脂肪变性中的一致性。  结果  随着脂肪肝分级的增加,UDFF测量值逐渐增加(H=201.52,P<0.001)。Spearman相关性分析显示,在S1、S2、S3级MAFLD中,UDFF、CAP、HRR与PDFF两两之间均存在较强的相关性(P值均<0.001),且UDFF与PDFF之间的相关性最强(S1:r=0.884,S2:r=0.962,S3:r=0.929,P值均<0.001)。ROC曲线分析结果显示,在S1和S3的分级诊断中,UDFF的AUC均高于CAP和HRR(P值均<0.05),在S2级MAFLD诊断中,UDFF的AUC明显高于HRR(P<0.05),与CAP的AUC相近(P>0.05)。Bland-Altman差值图显示,UDFF与PDFF检查结果在不同程度MAFLD肝脂肪变性中具有良好的一致性。  结论  与CAP和HRR相比,UDFF能更加精确地定量检测肝脂肪含量,且在识别不同程度MAFLD肝脂肪变性中具有良好的效能。

     

  • 图  1  UDFF、CAP、HRR测量值分布的散点图

    Figure  1.  Scatter plots of the distribution of UDFF, CAP, and HRR measurements

    注: a,S1级;b,S2级;c,S3级;*P<0.05。

    图  2  MAFLD中UDFF、CAP、HRR与PDFF的相关性热图

    Figure  2.  Correlation between UDFF, CAP, HRR and PDFF in MAFLD

    注: a,S1级;b,S2级;c,S3级。

    图  3  UDFF、CAP、HRR对不同级别MAFLD的诊断效能

    Figure  3.  The diagnostic efficacy of UDFF, CAP, and HRR in different grades of MAFLD was compared

    注: a,S1级;b,S2级;c,S3级;圆点代表各个患者的测量值,蓝色虚线代表PDFF与UDFF差值的平均偏倚,黑色虚线代表95%CI的上下限。

    图  4  UDFF与PDFF测量不同等级MAFLD的Bland-Altman图

    Figure  4.  Bland-Altman plots of UDFF and PDFF measurements of different grades of MAFLD

    表  1  不同级别MAFLD患者临床特征比较

    Table  1.   Clinical data characteristics of MAFLD patients with different grades

    指标 S0级(n=148) S1级(n=92) S2级(n=21) S3级(n=37) 统计值 P
    男/女(例) 89/59 45/47 6/151) 13/241) χ2=13.05 0.005
    年龄(岁) 36.28±11.47 49.46±14.711) 46.71±10.611) 40.84±9.441) F=31.11 <0.001
    BMI(kg/m2 21.22±1.21 26.38±2.891) 28.74±2.911) 30.28±3.991) F=129.93 <0.001
    腹围(cm) 88.74±8.45 93.87±9.111) 97.22±15.371) 95.74±9.891) F=10.74 <0.001
    臀围(cm) 98.79±5.66 101.29±6.791) 102.51±6.951) 102.14±5.891) F=6.13 <0.001
    糖尿病史[例(%)] 32(21.62) 71(77.17)1) 16(76.19)1) 28(75.68)1) χ2=90.33 <0.001
    ALT(U/L) 32.00(26.08~35.23) 41.60(30.80~48.20)1) 54.75(39.80~74.55)1) 108.90(71.90~124.60)1) H=129.17 <0.001
    AST(U/L) 32.90(30.17~36.85) 38.60(27.37~52.62)1) 42.00(33.60~54.50)1) 55.20(41.60~79.30)1) H=34.41 <0.001
    ALP(U/L) 80.12±18.26 76.33±20.09 76.89±21.21 74.59±19.07 F=3.54 0.316
    GGT(U/L) 29.10(24.17~34.85) 57.25(33.70~82.38)1) 54.40(31.86~61.50)1) 59.80(45.69~80.27)1) H=94.78 <0.001
    TG(mmol/L) 1.28±0.32 2.47±1.361) 2.90±1.411) 2.93±1.311) F=44.56 <0.001
    TC(mmol/L) 4.75±0.85 4.59±0.89 4.66±0.91 4.67±1.08 F=0.71 0.548
    HDL-C(mmol/L) 1.28±0.17 1.09±0.291) 1.21±0.47 0.99±0.261) F=13.05 <0.001
    空腹血糖(mmol/L) 5.34±0.95 7.92±2.531) 7.65±1.901) 8.12±2.891) F=44.75 <0.001
    PDFF(%) 3.20(2.42~4.06) 9.44(7.57~12.12)1) 18.14(17.66~18.69)1) 28.69(21.47~35.21)1) H=197.13 <0.001
    UDFF(%) 4.50(3.90~5.20) 14.11(10.29~16.80)1) 17.29(14.39~23.70)1) 30.25(15.00~36.80)1) H=201.52 <0.001
    CAP(dB/m) 207.00
    (186.97~230.60)
    271.75
    (246.02~302.50)1)
    303.00
    (269.00~317.00)1)
    307.00
    (291.90~323.60)1)
    H=127.28 <0.001
    HRR 1.27(1.06~1.50) 2.00(1.35~2.46)1) 2.77(2.34~3.17)1) 2.98(2.12~3.66)1) H=102.58 <0.001

    注:与S0级比较,1)P<0.05。

    下载: 导出CSV

    表  2  UDFF、CAP和HRR诊断不同分级MAFLD肝脏脂肪变性的价值

    Table  2.   The value of UDFF, CAP, and HRR in diagnosing different grades of MAFLD liver steatosis

    分级 参数 敏感度(%) 特异度(%) AUC(95%CI cut-off值
    S1 UDFF 96.29 90.08 0.92(0.89~0.96) 6.02
    CAP 85.89 85.15 0.90(0.85~0.96) 246.00
    HRR 76.21 88.14 0.80(0.74~0.84) 1.78
    S2 UDFF 99.86 81.21 0.98(0.96~0.99) 15.12
    CAP 96.44 78.54 0.97(0.94~0.98) 277.00
    HRR 92.51 74.51 0.94(0.85~0.96) 2.03
    S3 UDFF 86.20 93.81 0.99(0.98~0.99) 22.98
    CAP 86.77 85.21 0.96(0.91~0.97) 288.00
    HRR 90.86 79.57 0.93(0.87~0.95) 2.41
    下载: 导出CSV
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