Prospective study of hepatocellular carcinoma and liver cirrhosis in asymptomatic chronic hepatitis B virus carriers

American Journal of Epidemiology
M W YuY F Liaw

Abstract

The authors conducted a study to assess the importance of underlying liver cirrhosis in the development of hepatocellular carcinoma (HCC) and the multifactorial etiology of liver cirrhosis in chronic carriers of hepatitis B virus (HBV). Between November 1980 and May 1990, all male hepatitis B surface antigen (HBsAg) carriers who routinely attended a clinic for asymptomatic HBV carriers at the Liver Unit of Chang-Gung Memorial Hospital, Taiwan, were enrolled in the study (n = 1,506). The authors used this cohort to investigate prospectively for liver cirrhosis and HCC at 6-month intervals by means of ultrasonography and clinical assessment. There were 16 incident cases of HCC and 89 cases of liver cirrhosis (78 of whom were detected during follow-up) identified after an average follow-up of 7.1 years. Subclinical liver cirrhosis diagnosed by ultrasonography was significantly associated with the risk for HCC (multivariate-adjusted relative risk (RR) = 11.8, 95% confidence interval (CI) 3.9-35.8). By multivariate analysis, the significant risk factors found for liver cirrhosis in HBsAg carriers were age, hepatitis B e antigen (HBeAg) carrier status, chronic hepatitis manifested by sustained elevated serum aminotransferase levels f...Continue Reading

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