Abstract
Liver cirrhosis is the primary risk factor for the development of hepatocellular carcinoma. Most conditions that lead to cirrhosis are treatable, or modifiable. Therefore, a community-based screening program targeting high-risk groups was designed for early diagnosis and intervention of liver disease, to offset the rising burden of hepatocellular carcinoma in Australia. Two nurse consultants from a tertiary liver center performed community screening of pre-identified cohorts at risk of viral hepatitis and chronic liver disease, with transient elastography and/or serology testing for chronic hepatitis B virus (HBV) and hepatitis C virus (HCV), in addition to standard blood tests. A positive screening result was defined as any of the following: liver stiffness measurement (LSM)≥9.5kPa, positive HCV RNA, or positive HBV surface antigen. Individuals who screened positive were linked to the liver center for management. Nine hundred and twenty-six subjects were screened over a 6-year period, of which 122/926 (13.2%) had evidence of chronic liver disease. Chronic viral hepatitis was diagnosed in 91 participants (HBV=23, HCV=67, and co-infection=1), while non-alcoholic fatty liver disease was diagnosed in 14 participants. Advanced fibrosis (LSM≥9.5kPa) was detected in 42/866 (4.9%) subjects with available LSM. Loss to follow-up occurred in 36/91 (39.6%) participants with chronic viral hepatitis. Targeting high-risk populations for community screening and intervention increases early identification of chronic liver disease. This may reduce the incidence of liver cirrhosis and hepatocellular carcinoma. Loss to follow-up remains an ongoing challenge, requiring better strategies.
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