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[Etiologic study on the relationship between HBV, HCV and HCC]
Summary
Hepatitis B (HBV) and Hepatitis C (HCV) infections are significant risk factors for liver cancer (HCC) in Qidong, China. HBV infection poses the greatest risk, though co-infection with both viruses presents the highest odds.
Area of Science:
- Hepatology
- Oncology
- Epidemiology
Context:
- Qidong county, China, is a high-incidence area for hepatocellular carcinoma (HCC).
- Previous studies have indicated a link between viral hepatitis and HCC.
- Understanding specific risk factors is crucial for targeted prevention strategies.
Purpose:
- To investigate the prevalence of Hepatitis B Virus (HBV) and Hepatitis C Virus (HCV) infections in HCC patients.
- To identify key risk factors and protective factors associated with HCC development in this region.
- To assess the combined impact of HBV and HCV infections on HCC risk.
Summary:
- A case-control study in Qidong identified high prevalences of HBV (85.45%) and HCV (17.27%) among 110 HCC patients compared to controls.
- Hepatitis B surface antigen (HBsAg), Pre-S2 for HBV, and anti-HCV were significant risk factors (ORs 10.22, 2.96, 2.63).
- Drinking tea was a protective factor (OR=0.36), while co-infection with HBV and HCV showed the highest risk (OR=6.48).
Impact:
- Hepatitis B virus infection is identified as the primary risk factor for HCC in Qidong due to its high prevalence.
- Hepatitis C virus infection is also a significant risk factor, especially when co-infecting with HBV.
- Findings underscore the importance of HBV and HCV screening and management in high-risk populations to reduce HCC incidence.