期刊
JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY
卷 27, 期 7, 页码 1219-+出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1440-1746.2012.07122.x
关键词
alanine aminotransferase; advanced fibrosis; biopsy sample; chronic hepatitis B; liver stiffness
资金
- Pearl Ocean Liver Fibrosis Foundation [2010-011]
- National Eleventh Five Year Project [2008ZX10002-004]
Background and Aim: Although larger biopsies sample had been recommended for the study of non-invasive liver fibrosis assessment, few studies with larger biopsies for transient elastography (TE) detecting liver fibrosis had been reported. The present study tries to re-evaluate the performance of TE for detecting advanced fibrosis (=F3) with larger biopsies in patients with compensated chronic hepatitis B. Methods: A total of 375 compensated patients were analyzed, who had undergone liver biopsy, reliable TE and routine blood tests. Results: The area under the receiver operating characteristic curve (AUC) was influenced by liver biopsy sample: 0.873 (95% confidence interval 0.838-0.909) in total patients, 0.880 (0.844-0.917) in length = 15 mm, 0.897 (0.863-0.932) in length = 20 mm and 0.911 (0.874-0.949) in length = 25 mm. In patients with sample length = 20 mm, the cutoffs to exclude and confirm advanced fibrosis were 7.1 kPa and 12.7 kPa, respectively. Stratified by alanine aminotransferase of two times the upper limit of normal (ALT 2 x ULN), transient elastography detecting advanced fibrosis with the most efficiency by 72.5% of patients obviated from liver biopsy. In patients with normal bilirubin and ALT < 2 x ULN, the area was 0.921 (0.860-0.982), and cutoffs for excluding and confirming diagnosis were 7.4 kPa and 10.6 kPa, respectively; 80% of patients could be classified with or without advanced fibrosis (AF). In patients with normal bilirubin and ALT = 2 x ULN, the corresponding numbers were 0.885 (0.824-0.947), 7.5 kPa, 12.7 kPa and 79.2%, respectively. Conclusions: Inadequate sample study would underestimate the efficiency of TE on detecting advanced fibrosis. With ALT 2 x ULN stratified cutoffs, TE determined nearly 80% of patients with normal bilirubin as AF or non-AF and obviated them from liver biopsies.
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