实时剪切波弹性成像检测慢性乙型肝炎患者肝硬度与病理分级分期的相关性  被引量:8

Correlation between liver stiffness measured by shear-wave elasticity imaging and pathological grades and stages of chronic hepatitis B

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作  者:马苏亚 李国军 喻一奇 徐萍 朱玲斐 谢晓红 吴明月 邹桂兰 李昌水 赵明 

机构地区:[1]浙江省宁波市鄞州第二医院超声科,315100 [2]浙江省宁波市鄞州第二医院肝病科,315100 [3]复旦大学附属华山医院感染科 [4]浙江省宁波市鄞州第二医院病理科,315100

出  处:《中华传染病杂志》2015年第9期513-517,共5页Chinese Journal of Infectious Diseases

基  金:2014年中国肝炎防治基金会天晴肝病研究基金(TQGB20140064);鄞州区2014年度第二批科技计划项目(鄞科[2014]57号)

摘  要:目的:采用剪切波弹性成像(SWE)技术,探讨定量检测肝杨氏弹性模量值(EI)与肝脏病理的相关性。方法对231例CHB患者行SWE及在超声引导下肝穿刺活组织检查,并测量其EI,以肝脏病理学结果为金标准,分析肝硬度与病理学的相关性。组间比较采用单因素方差分析,两变量相关性检验用Spearman秩相关分析,受试者工作特征(ROC )曲线用于分析EI对肝组织炎症活动度分级和纤维化分期的预测价值。结果不同肝脏炎症活动度分级的中位EI分别为6.78 kPa (G1)、7.30 kPa (G2)、9.93 kPa(G3)和14.93 kPa(G4),差异有统计学意义(H=55.19,P<0.01)。不同纤维化分期的中位EI分别为6.62 kPa(S0-S1)、7.15 kPa(S2)、9.78 kPa(S3)和14.62 kPa(S4),差异有统计学意义( H=62.14, P<0.01)。EI与炎症活动度分级( r=0.4546, P<0.01)及纤维化分期( r=0.5056, P<0.01)均呈中度正相关。EI诊断 G≥2、G≥3、G=4的ROC曲线下面积(95% CI)分别为0.68(0.61-0.75)、0.77(0.70-0.84)和0.85(0.77-0.92),诊断S≥2、S≥3、S=4的ROC曲线下面积(95% CI)分别为0.73(0.66-0.79)、0.78(0.72-0.85)和0.83(0.75-0.91)。结论 SWE检测肝EI值与CHB患者肝脏病理学具有一定的相关性,有望成为动态监测肝纤维化进展的新方法。Objective To investigate the correlation between Young′s elastic modulus (EI) using shear wave elastography (SWE) and liver pathology .Methods Liver biopsy was performed on 231 patients with chronic hepatitis B (CHB) under supersonic guidance ,and SWE with EI of liver was obtained concurrently .The correlation between measured liver stiffness and pathology was analyzed by using the liver pathology as golden standards .One‐way analysis of variance and Spearman rank correlation analysis were performed for the comparison between groups and correlation between two variables , respectively .Receiver operating characteristic (ROC) curve was used to explore the predictive value of shear modulus for the liver inflammation grades and fibrosis stages .Results The EI medians of different liver inflammation grades were 6 .78 kPa (G1) ,7 .30 kPa (G2) ,9 .93 kPa (G3) and 14 .93 kPa (G4) , respectively ,which were statistically different (H=55 .19 ,P〈0 .01) .And EI medians of various fibrosis stages were 6 .62 kPa (S0 -S1) ,7 .15 kPa (S2) ,9 .78 kPa (S3) and 14 .62 kPa (S4) ,respectively , which were also significantly different (H=62 .14 ,P〈0 .01) .EI was positively correlated with both liver inflammation grades (r=0 .454 6 ,P〈0 .01) and liver fibrosis stages (r=0 .505 6 ,P〈0 .01) .The areas under the ROC for G≥2 ,G≥3 and G=4 were 0 .68 (95% CI:0 .61 -0 .75) ,0 .77 (95% CI:0 .70 -0 .84) and 0 .85 (95% CI:0 .77-0 .92) ,respectively .The areas under the ROC for S≥2 ,S≥3 and S=4 were 0 .73 (95% C I:0 .66 -0 .79 ) ,0 .78 (95% C I:0 .72 -0 .85 ) and 0 .83 (95% C I:0 .75 -0 .91 ) , respectively .Conclusion The EI measured by SWE is correlated with liver pathology of CHB patients , which may be used to dynamically monitor the progress of liver fibrosis .

关 键 词:肝炎  乙型  慢性 超声检查 超声剪切波弹性成像 弹性模量值 

分 类 号:R512.62[医药卫生—内科学]

 

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