Related Experiment Videos
Hepatitis G virus infection in the elderly
M Sampietro1, L Caputo, N Corbetta
1Department of Internal Medicine IRCCS, University of Milano, Italy. Maurizio.Sampietro@unimi.it
Italian Journal of Gastroenterology and Hepatology
|December 4, 1998
Summary
Hepatitis G virus (HGV) infection is common in older adults, with nearly 24% showing past exposure. Most HGV infections are self-limiting and clinically insignificant, suggesting age-related immunity.
Area of Science:
- Hepatology
- Virology
- Geriatric Medicine
Background:
- Hepatitis G virus (HGV) is a novel Flaviviridae family member, distinct from hepatitis viruses A-E.
- Unexplained hepatitis cases suggest other viral agents, like HGV, are involved.
- The prevalence and clinical impact of HGV in the elderly remain largely unknown.
Purpose of the Study:
- To determine the prevalence of Hepatitis G virus infection in a geriatric population.
- To investigate the clinical significance of HGV infection among elderly patients.
Main Methods:
- Studied 105 consecutive geriatric patients (mean age 73.4 years).
- Detected HGV-RNA using reverse-transcription heminested PCR.
- Assessed anti-HGV antibodies via a commercial anti-E2 immunometric assay.
Main Results:
- HGV-RNA was detected in 2.9% of patients, with no hepatitis history or symptoms.
- Anti-HGV antibodies were found in 23.8% of patients; 40% also had anti-HCV antibodies.
- HGV-RNA and anti-HGV antibody presence were mutually exclusive.
Conclusions:
- HGV infection is highly prevalent in the geriatric population, with exposure risk increasing with age.
- HGV infection is typically self-limiting and clinically insignificant in most cases.
- Immunity to viral epitopes, such as E2, may confer protection against HGV.