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中华临床医师杂志(电子版) ›› 2021, Vol. 15 ›› Issue (07) : 503 -508. doi: 10.3877/cma.j.issn.1674-0785.2021.07.005

临床研究

代谢相关脂肪性肝病患者MRI-PDFF分布特点
陆玮婷1, 史会连1, 陈沁磊1, 武建海2, 刘绍伟3, 乔飞1,()   
  1. 1. 210029 南京,江苏省中医院感染科
    2. 210029 南京,江苏省中医院营养科
    3. 210029 南京,江苏省中医院放射科
  • 收稿日期:2021-04-18 出版日期:2021-07-15
  • 通信作者: 乔飞
  • 基金资助:
    江苏省中医院院级课题(Y2018CX09)

Characteristics of magnetic resonance imaging proton density fat fraction in patients with metabolic associated fatty liver disease

Weiting Lu1, Huilian Shi1, Qinlei Chen1, Jianhai Wu2, Shaowei Liu3, Fei Qiao1,()   

  1. 1. Department of Infectious Diseases, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
    2. Department of Nutrition, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
    3. Department of Radiology, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
  • Received:2021-04-18 Published:2021-07-15
  • Corresponding author: Fei Qiao
引用本文:

陆玮婷, 史会连, 陈沁磊, 武建海, 刘绍伟, 乔飞. 代谢相关脂肪性肝病患者MRI-PDFF分布特点[J]. 中华临床医师杂志(电子版), 2021, 15(07): 503-508.

Weiting Lu, Huilian Shi, Qinlei Chen, Jianhai Wu, Shaowei Liu, Fei Qiao. Characteristics of magnetic resonance imaging proton density fat fraction in patients with metabolic associated fatty liver disease[J]. Chinese Journal of Clinicians(Electronic Edition), 2021, 15(07): 503-508.

目的

探讨代谢相关脂肪性肝病(MAFLD)患者磁共振成像评估质子密度脂肪分数(MRI-PDFF)分布特点及其与腹围、臀围、体质量指数(BMI)及肝功能的关系。

方法

收集2018年1月至2020年4月江苏省中医院感染科门诊超声诊断为MAFLD的患者171例,行磁共振成像3.0上腹部平扫加MRI-PDFF测定,并进行身高、体质量、腹围、臀围以及丙氨酸转氨酶(ALT)、天门冬氨酸转氨酶(AST)、碱性磷酸酶(ALP)、γ-谷氨酰转移酶(GGT)水平检测。

结果

171例MAFLD患者肝脏MRI-PDFF平均值为(13.76±10.30)%。随着肝脏脂肪含量的增高,患者的腹围、臀围、BMI以及肝功能水平也逐渐增高,不同程度的MRI-PDFF患者中,腹围(F=4.050,P=0.008)、臀围(F=3.449,P=0.018)、BMI(F=3.552,P=0.016)及ALT(H=27.904,P<0.001)、AST(H=25.070,P<0.001)、GGT(H=24.039,P<0.001)水平均有统计学差异。相关性分析显示,MRI-PDFF与ALT(r=0.459,P<0.001)、AST(r=0.436,P<0.001)呈中度正相关,而与BMI相关性极低(r=0.149,P=0.052)。

结论

MRI-PDFF作为一种无创的、可定量测定肝脏脂肪含量的方法,能较为准确地反映肝脏的脂肪含量,适用于肝脏脂肪含量的动态评估及疗效监测。

Objective

To investigate the characteristics of magnetic resonance imaging proton density fat fraction (MRI-PDFF) in patients with metabolic associated fatty liver disease (MAFLD) and analyze the relationship of MRI-PDFF with abdominal circumference, hip circumference, body mass index (BMI), and liver function.

Methods

A total of 171 infectious outpatients with MAFLD at Jiangsu Province Hospital of Chinese Medicine were recruited from January 2018 to April 2020. The MRI-PDFF, height, weight, abdominal circumference, hip circumference, and serum indexes of liver function (ALT, AST, ALP, and GGT) in all patients were tested.

Results

The MRI-PDFF of the 171 patients was (13.79±10.32) %. As the liver fat content increased, the patients' abdominal circumference, hip circumference, BMI, and liver function levels also gradually increased. The abdominal circumference (F=4.050, P=0.008), hip circumference (F=3.449, P=0.018), BMI (F=3.552, P=0.016), ALT (H=27.904, P<0.001), AST (H=25.070, P<0.001), GGT (H=24.039, P<0.001) differed significantly among different levels of MRI-PDFF. Correlation analysis showed that liver MRI-PDFF was moderately related to ALT (r=0.459, P<0.001) and AST (r=0.436, P<0.001), but had a very low correlation with BMI (r=0.149, P=0.052).

Conclusion

MRI-PDFF as a non-invasive and quantitative method can accurately reflect liver fat content, and is suitable for dynamic evaluation of liver fat content and monitoring of treatment effect.

图1 磁共振成像3.0测定肝脏质子密度脂肪分数图像
表1 不同BMI患者的腹围、臀围、MRI-PDFF及肝功能指标比较
表2 不同程度MRI-PDFF患者的腹围、臀围、BMI及肝功能指标比较
表3 MAFLD患者MRI-PDFF与BMI、腹围、臀围及肝功能指标的相关性分析
图2 MAFLD患者MRI-PDFF与ALT、AST的相关性分析散点图。图a为MRI-PDFF与ALT的相关性分析;图b为MRI-PDFF与AST的相关性分析
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