Abstract
Background
Point shear wave elastography (pSWE) is a convenient noninvasive tool for assessing liver fibrosis in chronic liver disease. However, there is little information on the correlation between pSWE and the histological findings of alcohol-related liver disease (ALD). Thus, we investigated the diagnostic performance of pSWE in discriminating the fibrosis stage of patients with ALD.
Methods
A total of 251 Korean patients with ALD were prospectively enrolled. The diagnostic performance of pSWE was evaluated on the basis of histological fibrosis severity according to Kleiner/Brunt et al.’s criteria and the Laennec classification.
Results
Median liver stiffness on pSWE significantly increased as liver fibrosis stage increased (p < 0.001). Liver stiffness measurement proved to be an excellent diagnostic indicator in the evaluation of a ≥ F2 stage (area under the receiver operating characteristics curve [AUROC] 0.93; cutoff > 1.46 m/s), ≥ F3 stage (AUROC 0.90; cutoff > 1.47 m/s), and F4 stage (AUROC 0.91; cutoff > 1.66 m/s). Compared with noninvasive serum fibrosis tests, pSWE had the highest AUROC for predicting ≥ F2, ≥ F3, and = F4 stages and the highest Obuchowski index (0.931 ± 0.007; all p < 0.001). The AUROC for discriminating steatohepatitis from simple steatosis was 0.93 (> 1.49 m/s) and the AUROC for discriminating cirrhosis with steatohepatitis from cirrhosis without steatohepatitis was 0.92 (> 2.52 m/s).
Conclusion
pSWE not only gives an accurate indication of liver fibrosis stage in ALD, but also can allow patients with severe alcoholic steatohepatitis to begin corticosteroid treatment without exposing them to the risks of liver biopsy.
Clinical trial registration
Clincialtrials.gov Identifier NCT01943318.
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Abbreviations
- pSWE:
-
Point shear wave elastography
- ALD:
-
Alcohol-related liver disease
- ASH:
-
Alcoholic steatohepatitis
- LSM:
-
Liver stiffness measurement
- AUDIT-K:
-
Korean version of the Alcohol Use Disorders Identification Test
- AUROC:
-
Area under the receiver operating characteristic curve
- AST:
-
Aspartate aminotransferase
- ALT:
-
Alanine aminotransferase
- GGT:
-
Gamma-glutamyl transferase
- MDF:
-
Maddrey’s discriminant function
- AAR:
-
Aspartate aminotransferase to alanine aminotransferase ratio
- APRI:
-
Aspartate aminotransferase to platelet ratio index
- FIB-4:
-
Fibrosis index based on the four factors
- Sn:
-
Sensitivity
- Sp:
-
Specificity
- PLR:
-
Positive likelihood ratio
- NLR:
-
Negative likelihood ratio
- PPV:
-
Positive predictive value
- NPV:
-
Negative predictive value
- IQR:
-
Interquartile range
- HVPG:
-
Hepatic venous pressure gradient
- CI:
-
Confidence interval
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Funding
This work was supported by Seoul Metropolitan Government Seoul National University (SMG-SNU) Boramae Medical Center (03-2019-2).
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Yuri Cho, Youn I. Choi, Sohee Oh, Jimin Han, Sae Kyung Joo, Dong Hyeon Lee, Yong Jin Jung, Byeong Gwan Kim, Kook Lae Lee and Won Kim have any relevant conflict of interest or other financial disclosures.
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This study was conducted in accordance with the 1975 Declaration of Helsinki as revised in 2008. The study was approved by the Research Ethics Committees of Seoul Metropolitan Government Boramae Medical Center.
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Informed consent was obtained from all patients.
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Cho, Y., Choi, Y.I., Oh, S. et al. Point shear wave elastography predicts fibrosis severity and steatohepatitis in alcohol-related liver disease. Hepatol Int 14, 270–280 (2020). https://doi.org/10.1007/s12072-019-10009-w
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DOI: https://doi.org/10.1007/s12072-019-10009-w