Clinical value and influencing factors of acoustic attenuation imaging in the diagnosis of metabolic fatty liver

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Clinical value and influencing factors of acoustic attenuation imaging in the diagnosis of metabolic fatty liver

更新时间：2023-10-11

- Clinical value and influencing factors of acoustic attenuation imaging in the diagnosis of metabolic fatty liver
- Journal of Clinical Ultrasound in Medicine Vol. 25, Issue 1, Pages: 8-12(2023)
- 作者机构：
  
  广西中医药大学第一附属医院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2023，
  
  Published Online：31 January 2023，
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Clinical value and influencing factors of acoustic attenuation imaging in the diagnosis of metabolic fatty liver. [J]. Journal of Clinical Ultrasound in Medicine 25(1):8-12(2023)
DOI：

Clinical value and influencing factors of acoustic attenuation imaging in the diagnosis of metabolic fatty liver. [J]. Journal of Clinical Ultrasound in Medicine 25(1):8-12(2023) DOI：

摘要

【摘要】目的探讨超声衰减成像（ATI）技术无创诊断代谢相关性脂肪肝（MAFLD）的临床价值及其影响因素。方法自我院体检科、肝病科、内分泌科招募受试者122例进行前瞻性研究，分为健康志愿者31例（正常对照组）和MAFLD患者91例（MAFLD组），所有受试者均行腹部二维超声、ATI、受控衰减成像（CAP）及血清学检查，比较上述两组上述指标的差异。以CAP检查结果为标准，绘制受试者工作特征（ROC）曲线分析ATI诊断不同程度脂肪肝的效能，分析ATI与CAP、ATI与二维超声分级诊断脂肪肝的相关性及各临床资料对衰减系数（AC）值的影响。结果 MAFLD组与正常对照组体质量指数、甘油三酯、谷丙转氨酶、谷草转氨酶比较差异均有统计学意义（均P＜0.05）。MAFLD组AC值为（0.79±0.11）dB·cm-1·MHz-1，高于健康对照组（0.58±0.45）dB·cm-1·MHz-1，且AC值随着脂肪肝程度的增加而逐渐增大，差异均有统计学意义（均P＜0.05）。ROC曲线分析显示，AC值诊断≥S1、≥S2、≥S3级脂肪肝的截断值分别为0.64、0.70、0.79 dB·cm-1·MHz-1，灵敏度分别为89.7%、80.6%、100%，特异度分别为90.3%、69.0%、87.1%。相干性分析显示，ATI与CAP、ATI与二维超声分级在诊断MAFLD方面表现呈正相关（r=0.940、0.851，均P＜0.0001）；多元线性回归分析显示，AC值的变化不受临床资料的影响，仅与脂肪肝程度相关。结论 ATI技术在诊断MAFLD及其程度分级方面具有良好的诊断效能，并与CAP、二维超声分级显著相关，且AC值变化不受临床参数的影响，仅与脂肪肝程度相关。

Abstract

Abstract: Objective To explore the clinical value and influencing factors of noninvasive ultrasound attenuation imaging (ATI) in the diagnosis of metabolic fatty liver disease (MAFLD).Methods 122 subjects were recruited from the physical examination department

hepatology department and endocrinology department of our hospital for a prospective study. They were divided into 31 healthy volunteers (normal control group) and 91 patients with MAFLD (MAFLD group). All subjects were examined by abdominal two-dimensional ultrasound

ATI

controlled attenuation imaging (CAP) and serology. The differences of the above indicators between the two groups were compared. Based on the results of CAP examination

the ROC curve of subjects was drawn to analyze the efficacy of ATI in the diagnosis of fatty liver at different levels

and the correlation between ATI and CAP

ATI and two-dimensional ultrasound grading in the diagnosis of fatty liver

as well as the influence of various clinical data on the attenuation coefficient (AC) value.Results There were significant differences in body mass index

triglyceride

alanine aminotransferase and glutamic oxaloacetic transaminase between MAFLD group and normal control group (all P＜0.05). The AC value of MAFLD group was (0.79 ± 0.11) dB · cm-1 · MHz-1

which was higher than that of healthy control group (0.58 ± 0.45) dB · cm-1 · MHz-1. The AC value increased with the increase of fatty liver degree

and the difference was statistically significant (all P＜0.05). ROC curve analysis showed that the cutoff value of AC value in diagnosis of ≥ S1

≥ S2

≥ S3 fatty liver was 0.64

0.70

0.79 dB · cm-1 · MHz-1

the sensitivity was 89.7%

80.6%

100%

and the specificity was 90.3%

69.0%

87.1%

respectively. Coherence analysis showed that ATI was positively correlated with CAP

ATI with two-dimensional ultrasound grading in the diagnosis of MAFLD (r=0.940

0.851

all P＜0.0001); Multivariate linear regression analysis showed that the change of AC value was not affected by clinical data

but only related to the degree of fatty liver. Conclusion ATI technology has good diagnostic efficacy in diagnosing MAFLD and its degree grading

and is significantly related to CAP and two-dimensional ultrasound grading

and the change of AC value is not affected by clinical parameters

but only related to the degree of fatty liver.

关键词

超声检查声衰减成像代谢相关性脂肪肝定量诊断受控衰减成像

Keywords

Ultrasonic ExaminationAttenuation imagingMetabolic-associated fatty liver diseaseQuantitative diagnosisControlled attenuation parameter

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