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  • Title: [Diagnostic value of five serum markers for liver fibrosis].
    Author: Luo R, Yang S, Xie J, Zhao Z, He Y, Yao J.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2001 Jun; 9(3):148-50. PubMed ID: 11412388.
    Abstract:
    OBJECTIVE: To research the diagnostic value of serum hyaluronic acid (HA), type III procollagen (PCIII), type IV collagen (CIV), laminin (LN), and transforming growth factor-beta(1) (TGF-beta(1)) for liver fibrosis in patients with chronic hepatitis. METHODS: Serum levels of HA, PCIII, CIV, LN and TGF-beta(1) in 116 patients with chronic hepatitis and cirrhosis were investigated and compared with hepatic histological findings of 87 patients. RESULTS: The correlation between serum HA and histologically assessed grade of inflammatory activity was weak (r=0.393, P<0.05). The correlation between serum HA, PCIII, LN, TGF-beta(1) and histologically assessed stage of liver fibrosis were all moderate (r=0.584, 0.454, 0.441 and 0.612, respectively, P<0.05), while that between serum CIV and histologically assessed stage of liver fibrosis was weak (r=0.319, P<0.05). As shown by the ROC curves in cases of chronic hepatitis, the ability to differentiate patients with cirrhosis from those without cirrhosis was greater for serum HA than that for serum PCIII, CIV, LN, and TGF-beta(1) (the areas under the curves=0.904 vs 0.784, 0.815, 0.805, 0.828, P<0.05). The ability of serum HA, LN and TGF-beta(1) to differentiate patients with extensive liver fibrosis from those with no or mild liver fibrosis exceeded that of serum PCIII and CIV (the areas under the curves=0.849, 0.819, 0.836 vs 0.702, 0.721, P<0.05). To discriminate the stage of liver fibrosis, serum HA and TGF-beta(1) were selected from the five markers by Bayes discriminate analysis. If S(1), S(2) and S(3) were not required to be discriminated, discrimination between the three stages showed significant difference (P<0.05). The predictive accurate percentage was 72.90%. CONCLUSIONS: The five markers all have the ability not only to judge liver cirrhosis, in which the ability of serum HA is the best, but also to differentiate chronic hepatitis with extensive liver fibrosis from that with no or mild liver fibrosis, in which the ability of serum HA, LN, TGF-beta(1) is stronger than the other two. It is useful for detection of serum HA and TGF-beta(1) at the same time to discriminate the histologically assessed stage of fibrosis. Serum HA and TGF-beta(1) can be helpful in discriminating patients of chronic hepatitis with "no liver fibrosis", "liver fibrosis but no cirrhosis" and "liver cirrhosis", but cannot discriminate them accurately as the histologically assessed stage of fibrosis. They cannot displace liver biopsy for the judgement of liver fibrosis.
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