Abstract
Objectives
To prospectively investigate the usefulness of acoustic structure quantification (ASQ) for noninvasive assessment of liver fibrosis in patients with chronic hepatitis B (CHB).
Methods
Consecutive patients with CHB scheduled for liver biopsy or partial liver resection underwent standardized ASQ examinations. The ASQ parameter, named focal disturbance (FD) ratio, were compared with METAVIR scores. The analysis was based on receiver operating characteristic (ROC) curves and multiple regression analysis.
Results
A total of 114 patients were enrolled in the final analysis. The area under the ROC curve for the FD ratio was 0.84 for significant fibrosis (≥ F2), 0.86 for severe fibrosis (≥ F3), and 0.83 for cirrhosis (= F4). The optimal cutoff values for the FD ratio were 0.25, 0.30 and 0.50 for fibrosis stages ≥ F2, ≥ F3 and = F4, respectively. The prevalence of a difference of at least two stages between the FD ratio and the histological stage was 12.3 % (14 of 114). The fibrosis stage (P < 0.001), degree of steatosis (P < 0.001) were independent factors associated with the FD ratio.
Conclusions
FD ratio should be an effective noninvasive imaging biomarker for the assessment of liver fibrosis in patients with CHB.
Key Points
• Focal disturbance (FD) ratio increased with the increasing histological fibrosis stages.
• FD ratio showed promising diagnostic accuracy in assessing liver fibrosis.
• Degree of fibrosis and steatosis were independent factors associated with FD ratio.
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Abbreviations
- CHB:
-
Chronic hepatitis B
- LB:
-
Liver biopsy
- US:
-
Ultrasound
- TE:
-
Transient elastography
- ASQ:
-
Acoustic structure quantification
- FD:
-
Focal disturbance
- HBV:
-
Hepatitis B virus
- ALT:
-
Alanine aminotransferase
- AST:
-
Aspartate aminotransferase
- GGT:
-
γ glutamyl-transpeptidase
- ALP:
-
Alkaline phosphatase
- PT:
-
Prothrombin time
- PLT:
-
Platelet
- BMI:
-
Body mass index
- ROI:
-
Region of interest
- H&E:
-
Haematoxylin-eosin
- SD:
-
Standard deviation
- IQR:
-
Inter-quartile range
- ROC:
-
Receiver operator characteristic
- AUROC:
-
Area under the ROC
- CI:
-
Confidence interval
- PPV:
-
Positive predictive value
- NPV:
-
Negative predictive value
- LR+ :
-
Positive likelihood ratio
- LR− :
-
Negative likelihood ratio
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Acknowledgments
The scientific guarantor of this publication is Wei Wang. The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article. This study has received funding by the National Nature Science Foundation of China (No: 81271576, No: 81301238 and No: 81471672), and Guangdong Province Medical Research Foundation (No: A2013194), and Guangdong Province S&T Plan Foundation (No: 2013B060500044). No complex statistical methods were necessary for this paper. Institutional review board approval was obtained.
Written informed consent was obtained from all subjects (patients) in this study. Methodology: prospective, diagnostic or prognostic study, performed at one institution.
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Huang, Y., Wang, Z., Liao, B. et al. Assessment of liver fibrosis in chronic hepatitis B using acoustic structure quantification: quantitative morphological ultrasound. Eur Radiol 26, 2344–2351 (2016). https://doi.org/10.1007/s00330-015-4056-x
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DOI: https://doi.org/10.1007/s00330-015-4056-x