Journal
WORLD JOURNAL OF GASTROENTEROLOGY
Volume 20, Issue 30, Pages 10585-10590Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v20.i30.10585
Keywords
Transient elastography; Controlled attenuation parameter; Chronic hepatitis B; Liver steatosis
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Funding
- China Hepatitis Prevention and Treatment Foundation Wang Baoen Liver Fibrosis Research Fund [xjs20110402]
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AIM: To study the diagnostic value of controlled attenuation parameter (CAP), evaluated by transient elastography, for liver steatosis in patients with chronic hepatitis B (CHB). METHODS: Eighty-eight patients with CHB were enrolled in this study. All of the patients were subjected to transient elastography to determine CAP. These patients also underwent liver biopsy in the same period. Using liver biopsy as a reference, we determined receiver operating characteristic (ROC) curves for different endpoints. Areas under the ROC curves (AUCs) were used to evaluate the diagnostic importance of CAP for liver steatosis in patients with CHB. RESULTS: A positive correlation was observed between the AUCs of CAP and liver pathological stage (r = 0.582, P < 0.05). CAP was not correlated with inflammation degree and fibrosis degree (r = -0.025, P > 0.05; r = 0. 068, P > 0.05). The mean CAP value at S0 was 209.59 +/- 41.25 dB/m, 223.84 +/- 35.28 dB/m at S1, 274.17 +/- 43.69 dB/m at S2, and 312.50 +/- 25.44 dB/m at S3. CAP values among S0, S1, S2, and S3 were significantly different (F = 17.79, P < 0.01). The AUC values for CAP were 0.711 (0.592-0.870), 0.868 (0.748-0.989), and 0.974 (0.922-1.026) for S1, S2, and S3, respectively. The optimal cut-off values were 219.5, 230.0, and 283.5 dB/m. CONCLUSION: CAP is a novel tool that can be used to assess the degree of steatosis. (C) 2014 Baishideng Publishing Group Inc. All rights reserved.
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