Journal
JOURNAL OF CLINICAL GASTROENTEROLOGY
Volume 32, Issue 3, Pages 240-244Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00004836-200103000-00014
Keywords
albumin; alpha-fetoprotein; chronic hepatitis C; hepatitis C viral genotype; Hepatitis C viral RNA; histologic activity index
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Elevated serum alpha-fetoprotein (AFP) in patients with chronic hepatitis C is not uncommonly seen, but the pathogenesis of this phenomenon remains unclear. The aims of this study were to assess the prevalence of elevated serum AFP in patients with chronic hepatitis C and to evaluate the clinical, virologic, and histopathologic significance of this phenomenon. One hundred and fifteen Chinese patients with a histologic diagnosis of chronic hepatitis C were enrolled. None had evidence of hepatocellular carcinoma by image study at enrollment and fur at least 2 years' follow-up. Of the 115 patients, 33 (29%) had elevated serum AFP (more than 12 ng/mL). There was a significantly lower mean serum albumin (4.0 +/- 0.1 vs. 4.3 +/- 0.1 gm/dL, p <0.001) and higher mean scores for periportal necroinflammation (3.3 +/- 0.3 vs. 2.3 +/- 0.2, p = 0.007) and fibrosis (2.3 +/- 0.2 vs. 1.1 +/- 0.1, p < 0.001) in patients with elevated serum AFP when compared with patients without elevated serum AFP. Patients with elevated serum AFP had significantly more incidences of genotype Ib infection when compared with patients without elevated serum AFP (77% vs. 51%, p = 0.021). Mean serum hepatitis C virus (HCV) RNA titer showed no significant difference between the two groups. Multivariate logistic regression analysis showed that as serum albumin of less than 4.2 gm/dL, a histology fibrotic score of more than 3, and HCV genotype Ib infection were significantly independent predictors associated with elevated serum AFP. In conclusion, elevated serum AFP levels were significantly correlated with lower serum albumin levels, advanced fibrosis/cirrhosis, and genotype 1b infection in patients with chronic hepatitis C.
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