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. 2021 Feb;11(2):571-578.
doi: 10.21037/qims-19-1091.

Analysis of liver steatosis analysis and controlled attenuation parameter for grading liver steatosis in patients with chronic hepatitis B

Xinping Ren  1   2 , Shujun Xia  1 , Lu Zhang  1 , Ruokun Li  3 , Wei Zhou  1 , Ri Ji  1 , Jianqiao Zhou  1 , Jingyan Tian  4 , Weiwei Zhan  1
Affiliations

Analysis of liver steatosis analysis and controlled attenuation parameter for grading liver steatosis in patients with chronic hepatitis B

Xinping Ren et al. Quant Imaging Med Surg. 2021 Feb.

Abstract

Background: Chronic hepatitis B is the most common chronic liver disease in China. For patients with chronic hepatitis B, steatosis increases the risk of cirrhosis and hepatocellular carcinoma. This study aimed to analyze and compare the clinical value of a newly developed ultrasound attenuation parameter, liver steatosis analysis (LiSA), acquired by Hepatus (Mindray, China), and controlled attenuation parameter (CAP), a widely used ultrasound attenuation parameter acquired by FibroScan (Echosens, France), for grading liver steatosis in patients with chronic hepatitis B infection.

Methods: A total of 203 patients were divided into two groups according to liver fat content validated by liver biopsy: group 1 (liver fat content <10%) and group 2 (liver fat content ≥10%). All patients underwent LiSA and CAP examinations. Receiver operating characteristic (ROC) curves were calculated for the two ultrasound attenuation tools.

Results: Both LiSA and CAP successfully discriminated between patients in group 1 and group 2. ROC curves showed that both tools had good diagnostic ability (AUC: >0.7) for steatosis ≥10%, and the performance of LiSA was significantly better than CAP (AUC: 0.859 vs. 0.801, P=0.048). Using optimal cut-off points, LiSA had specificity and sensitivity of 96.23% and 76.08%, respectively, for the diagnosis of steatosis ≥10%, compared to 91.53% and 72.10%, respectively, for CAP.

Conclusions: LiSA and CAP are extremely efficient tools for assessing liver steatosis, even at a low grade. Both parameters are non-invasive, inexpensive, and easy to use, and can provide immediate results with high sensitivity.

Keywords: Liver steatosis; chronic hepatitis B; controlled attenuation parameter (CAP); liver steatosis analysis (LiSA); ultrasound attenuation parameter.

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Conflict of interest statement

Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at http://dx.doi.org/10.21037/qims-19-1091). The authors have no conflicts of interest to declare.

Figures

Figure 1
Figure 1
Liver steatosis analysis (LiSA). (A) The difference between controlled attenuation parameter (CAP) and LiSA in the detection of ultrasound attenuation in the liver. (B) Actual measurement screen of LiSA.
Figure 2
Figure 2
The performances of the two attenuation parameters for grading hepatic steatosis. (A) The values of liver steatosis determined using the two methods. (B) Receiver operating characteristic (ROC) curve analysis of the two methods.
See this image and copyright information in PMC

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