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  • Title: Effects of alcohol consumption on histological changes in chronic hepatitis C: a clinicopathological study.
    Author: Tamai T, Seki T, Shiro T, Nakagawa T, Wakabayashi M, Imamura M, Nishimura A, Yamashiki N, Takasu M, Inoue K, Okamura A.
    Journal: Alcohol Clin Exp Res; 2000 Apr; 24(4 Suppl):106S-111S. PubMed ID: 10803791.
    Abstract:
    BACKGROUND: To assess the effects of alcohol on the histological changes in chronic hepatitis type C, we performed histopathological examination on liver biopsy specimens by using a semiquantitative method. METHODS: Subjects were 91 patients with chronic hepatitis type C and 32 with alcoholic liver disease. The patients with chronic hepatitis type C were classified into three groups according to the total amount of alcohol intake: nondrinkers, moderate drinkers, and heavy drinkers. For each patient, we evaluated pathological changes of several items and awarded scores from 0 to 2 points, with severe to moderate scoring 2 points, mild 1, and negative 0; the total score was then compared between groups. The evaluated histological changes included virus-related histological changes (V1, inflammatory cell infiltration; V2, lymphoid follicle formation; and V3, bile duct damage) and alcohol-related changes (A1, perivenular fibrosis; A2, stellate/pericellular fibrosis; and A3, fatty change). RESULTS: The total scores of the hepatitis C virus-related histological changes were significantly lower in patients with alcoholic liver disease (ALD group) (p < 0.05). However, we found no significant difference between the different alcohol intake groups. The total score for alcohol-related histological changes significantly increased in line with increases in total alcoholic intake regardless of the presence or absence of hepatitis type C virus infection (p < 0.05). CONCLUSIONS: The results suggest that both alcoholic-related liver damage and virus-related liver damage have specific features; in a addition, alcohol was found to have little effect on the histological liver damage observed in chronic hepatitis type C.
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