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Serum markers for necroinflammatory activity in patients with chronic viral hepatitis and normal or mildly elevated aminotransferase levels.

Authors
Cheong, JY; Kim, DJ; Hwang, SG; Yang, JM; Kim, YB; Park, YN; Cho, SW
Citation
Liver international : official journal of the International Association for the Study of the Liver, 31(9):1352-1358, 2011
Journal Title
Liver international : official journal of the International Association for the Study of the Liver
ISSN
1478-32231478-3231
Abstract
BACKGROUND: Reports on the usefulness of serum markers for predicting liver necroinflammation are limited. The aim of this study was to determine the serum markers that predict significant inflammation in patients with chronic hepatitis B (CHB) and C (CHC) and normal or mildly elevated serum aminotransferase levels.



METHODS: Two hundred twenty-seven patients with CHB or CHC with normal or mildly elevated serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels (≤60 IU/L) were enrolled in this study. Significant inflammation was defined as inflammatory grade ≥3 activities using the Batt-Ludwig scoring system. The correlation between liver histology and serum markers of liver inflammation was analysed.



RESULTS: Forty-eight (21.1%) and eight patients (3.5%) had grade 3 and 4 inflammation respectively. Univariate analysis revealed that age, platelet coun, and AST, ALT, γ-glutamyl transpeptidase, alkaline phosphatase, hyaluronic acid, haptoglobin, apolipoprotein A1 and procollagen III N-terminal peptide levels were significantly different between the patients with and without significant inflammation. There were no significant differences in the cytokeratin-18 fragment levels between the two groups. On the basis of multivariate analysis, the AST and apolipoprotein A1 levels and stage of fibrosis were highly predictive of significant inflammation. Using AST and apolipoprotein cut-off values ≥44 IU/L and ≤100 ng/ml, respectively, the presence of significant inflammation was predicted with high specificity (96.5%) and with a negative predictive value of 76.3%.



CONCLUSION: The AST and apolipoprotein A1 levels were shown to be independent predictors of significant inflammatory activities in patients with CHB and CHC and normal or mildly elevated aminotransferase levels.
MeSH terms
AdolescentAdultAgedAlanine Transaminase/*bloodApolipoprotein A-I/bloodAspartate Aminotransferases/*bloodBiological Markers/bloodBiopsyChi-Square Distribution*Clinical Enzyme TestsFemaleHepatitis B, Chronic/blood/*diagnosis/immunology/pathologyHepatitis C, Chronic/blood/*diagnosis/immunology/pathologyHumansInflammation Mediators/*bloodLiver/*enzymology/immunology/pathologyLogistic ModelsMaleMiddle AgedNecrosisPredictive Value of TestsProspective StudiesRepublic of KoreaRisk AssessmentRisk FactorsSeverity of Illness IndexUp-RegulationYoung Adult
DOI
10.1111/j.1478-3231.2011.02570.x
PMID
21745311
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Gastroenterology
Journal Papers > School of Medicine / Graduate School of Medicine > Pathology
AJOU Authors
정, 재연김, 영배조, 성원
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