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Persistent hepatitis C viraemia without liver disease
S Brillanti1, M Foli, S Gaiani
1Department of Internal Medicine and Gastroenterology, University of Bologna, Italy.
Insights
Active hepatitis C virus (HCV) infection can persist without causing liver disease. This study found persistent HCV RNA in symptom-free individuals, with normal liver tests and biopsies, indicating no liver damage.
Area of Science:
- Hepatology
- Virology
- Immunology
Background:
- Viral persistence does not always equate to disease.
- Hepatitis C virus (HCV) infection can be asymptomatic.
- Understanding HCV persistence is crucial for disease management.
Purpose of the Study:
- To investigate if active hepatitis C virus (HCV) infection can persist without causing liver disease.
- To determine the relationship between persistent HCV viraemia and liver damage in asymptomatic individuals.
Main Methods:
- Selection of four individuals with anti-HCV antibodies and normal aminotransferase levels.
- Monthly serological testing and HCV RNA detection over 3 years.
- Liver biopsy performed to assess liver health.
Main Results:
- All participants had persistent HCV antibodies and circulating HCV RNA throughout the 3-year follow-up.
- Aminotransferase levels remained normal in all subjects.
- Liver biopsies showed no signs of liver damage.
Conclusions:
- Persistent hepatitis C viraemia can occur without evidence of liver disease.
- Asymptomatic HCV infection may not invariably lead to liver damage.
- Further research is needed to understand the mechanisms behind non-progressive HCV infection.
Abstract:
In viral infections persistence of the virus is not always associated with virus-induced disease. To find out if active hepatitis C virus (HCV) infection can persist without liver disease we selected four symptom-free individuals with antibodies to HCV but normal aminotransferase levels. They were followed up for 3 years by monthly serology and a liver biopsy was done. At presentation, all four had both antibodies to HCV and circulating HCV RNA. During follow-up their sera remained persistently positive for all HCV antibodies and RNA yet aminotransferase levels did not increase and liver biopsy was normal. These findings indicate that persistent hepatitis C viraemia is not invariably associated with liver damage.