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Real-Time Polymerase Chain Reaction-Based Detection and Quantification of Hepatitis B Virus DNA
Published on: December 15, 2023
Diagnosis of chronic hepatitis B and the implications of viral variants and mutations
1Liver Transplant Program, California Pacific Medical Center, San Francisco, California 94115, USA. gishr@sutterhealth.org
Insights
Accurate diagnosis and treatment of chronic hepatitis B virus (HBV) infection are crucial globally. Increased screening and vaccination in high-risk communities are recommended to manage rising HBV prevalence.
Area of Science:
- Hepatology
- Infectious Diseases
- Public Health
Background:
- Chronic hepatitis B virus (HBV) infection is a significant global health concern causing substantial morbidity and mortality.
- While US HBV prevalence is low due to vaccination, immigration trends predict an increase, necessitating proactive public health measures.
- High-risk populations, including Asian Americans, require targeted screening (hepatitis B surface antigen) and vaccination programs.
Purpose of the Study:
- To emphasize the need for accurate diagnosis and optimal treatment strategies for chronic HBV infection.
- To highlight the importance of screening and vaccination programs for at-risk communities.
- To discuss the role of advanced diagnostic techniques and viral markers in managing HBV.
Main Methods:
- Utilizing serologic technologies for disease staging and subtype identification.
- Employing nucleic acid testing for viral load quantification and variant analysis.
- Monitoring serial HBV DNA levels to assess therapeutic response.
Main Results:
- Serologic and nucleic acid tests provide critical data on disease stage, viral load, and HBV subtypes.
- Precore and core promoter variants serve as prognostic indicators, guiding patient management.
- Serial DNA monitoring is essential for evaluating treatment effectiveness and directing therapy.
Conclusions:
- Active screening and vaccination programs are vital for controlling HBV, especially in immigrant populations.
- Advanced diagnostic tools and monitoring of viral markers are key to effective HBV management.
- Further research is needed to understand HBV variants' impact on treatment efficacy.
Abstract:
Chronic infection with the hepatitis B virus (HBV) is a major cause of morbidity and mortality worldwide, necessitating accurate and timely diagnosis of infected patients coupled with optimal treatment strategies. Although the prevalence of HBV infection in the United States is low owing to the implementation of universal vaccination, growing immigration from areas where infection is more endemic means that prevalence is forecast to increase. Healthcare providers must be active in providing low-cost screening (hepatitis B surface antigen identification) and vaccination programs for high-risk communities, such as Asian Americans, with linked specialist referral schemes for patients found to carry the virus. Serologic technologies and improved nucleic acid testing techniques generate important information about the stage of disease, viral load, and disease subtype, including the presence of precore and core promoter variants that provide prognostic indicators and can guide patient management. Serial DNA monitoring is playing the major role in the assessment of therapeutic response and steering treatment approaches. More research is needed to further clarify the significance of HBV variants and their relation to therapeutic agents and strategies.
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