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Real-time elastography (RTE): a valuable sonography-based non-invasive method for the assessment of liver fibrosis in chronic hepatitis B

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Abstract

Purpose

To investigate the diagnostic usefulness of real-time elastography (RTE) for liver fibrosis in chronic hepatitis B (CHB).

Methods

89 CHB patients were enrolled in the cross-sectional study. Ultrasound-guided percutaneous liver biopsies, RTE, and blood testing were performed in all patients. Areas under receiver operating characteristic curves (AUROC) were used to examine the diagnostic performance of liver fibrosis index (LFI) for the assessment of liver fibrosis.

Results

LFI differed significantly across histologic fibrosis stages (P < 0.05), except the comparison between S0 and S1 (P = 0.298). There was a strong positive correlation between LFI and histologic liver fibrosis stage (Spearman r = 0.831, P < 0.001). The cutoff LFI value of >2.74 indicated a sensitivity of 0.766 and a specificity of 0.872 for predicting significant liver fibrosis (S ≥ 2), and the cutoff LFI value of >3.61 indicated a sensitivity of 0.833 and a specificity of 0.878 for predicting early liver cirrhosis (S = 4). LFI showed higher AUROC for discriminating significant liver fibrosis (0.873 vs. 0.614) and early liver cirrhosis (0.923 vs. 0.769) than aspartate aminotransferase-to-platelet ratio index (APRI).

Conclusions

RTE is a valuable sonography-based non-invasive method for assessment of liver fibrosis and has better discrimination power for significant liver fibrosis and early liver cirrhosis than APRI in CHB.

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Author notes

  1. Tianyi Wang and Cuiping Shao have been contributed equally to this work.

Authors and Affiliations

  1. Department of Gastroenterology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People’s Republic of China

    Tianyi Wang, Cuiping Shao, Guosheng Zhang & Youqing Xu

Authors
  1. Tianyi Wang
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  2. Cuiping Shao
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  3. Guosheng Zhang
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Corresponding author

Correspondence to Youqing Xu.

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Funding

This study was funded by the National Science and Technology Major Project (Grant Number 2013ZX10002004) and the Beijing Municipal Administration of Hospitals Clinical medicine Development of special funding support (Grant Number XM201308).

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Wang, T., Shao, C., Zhang, G. et al. Real-time elastography (RTE): a valuable sonography-based non-invasive method for the assessment of liver fibrosis in chronic hepatitis B. Abdom Radiol 42, 2632–2638 (2017). https://doi.org/10.1007/s00261-017-1186-4

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  • DOI: https://doi.org/10.1007/s00261-017-1186-4

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