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Metabolic syndrome is associated with severe fibrosis in chronic viral hepatitis and non-alcoholic steatohepatitis.

Tsochatzis E, Papatheodoridis GV, Manesis EK, Kafiri G, Tiniakos DG, Archimandritis AJ

2nd Department of Internal Medicine, Athens University Medical School, Hippokration General Hospital, Athens, Greece.

BACKGROUND: The prevalence of metabolic syndrome and its possible impact on the severity of liver histological lesions have not been studied prospectively in chronic liver diseases. AIM: To investigate the prevalence of metabolic syndrome in patients with chronic viral hepatitis or non-alcoholic steatohepatitis, and to determine its associations with histological severity. METHODS: We prospectively included 317 patients (hepatitis B e antigen-negative chronic hepatitis B: 95, chronic hepatitis C: 176, non-alcoholic steatohepatitis: 46) with liver biopsy. Metabolic syndrome was defined using the Adult Treatment Panel III criteria. Histological lesions were evaluated according to Ishak's or Brunt's classification. RESULTS: Metabolic syndrome was present in 10.4% of patients being significantly more prevalent in non-alcoholic steatohepatitis than in chronic viral hepatitis (41.3% vs. 5.1%, P < 0.001). In chronic viral hepatitis, cirrhosis (stages 5-6) was independently associated with increasing age, higher aspartate aminotransferase and gamma-glutamyl-transpeptidase levels, severe necroinflammation and metabolic syndrome (P = 0.016). In non-alcoholic steatohepatitis, severe fibrosis (stages 3-4) was independently associated with severe necroinflammation and metabolic syndrome (P = 0.033). Presence of metabolic syndrome was not associated with presence or severity of steatosis both in chronic viral hepatitis and in non-alcoholic steatohepatitis. CONCLUSION: Metabolic syndrome is more prevalent in non-alcoholic steatohepatitis than in chronic viral hepatitis; it is associated independently with more severe fibrosis but not with the severity of steatosis, both in chronic viral hepatitis and in non-alcoholic steatohepatitis.

Published 13 December 2007 in Aliment Pharmacol Ther, 27(1): 80-9.
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