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Hepatitis C: Part I. Routine serologic testing and diagnosis
Insights
Hepatitis C virus (HCV) infection is a significant public health issue in the US, with millions unaware they are infected. Healthcare providers should screen for high-risk behaviors to identify and manage this persistent liver disease.
Area of Science:
- Hepatology
- Infectious Diseases
- Public Health
Background:
- Hepatitis C virus (HCV) infection represents a substantial public health challenge in the United States.
- HCV is primarily transmitted through percutaneous blood exposure, leading to chronic liver disease in most infected individuals.
- HCV-associated chronic liver disease causes significant mortality and economic burden annually.
Purpose of the Study:
- To highlight the prevalence and transmission of Hepatitis C virus (HCV) in the United States.
- To emphasize the importance of identifying asymptomatic HCV infections.
- To recommend strategies for primary healthcare professionals in detecting at-risk populations.
Main Methods:
- Review of existing data on HCV prevalence and transmission in the US.
- Analysis of clinical outcomes and economic impact of HCV infection.
- Assessment of current recommendations for HCV testing and screening.
Main Results:
- An estimated 3.9 million Americans are infected with HCV, with most remaining asymptomatic and unaware of their status.
- HCV infection leads to chronic hepatitis in 70% of cases, resulting in 8,000-10,000 deaths annually.
- Current routine testing is limited to high-risk groups, necessitating broader screening approaches.
Conclusions:
- Primary healthcare providers should inquire about high-risk practices for HCV transmission.
- Identifying asymptomatic individuals is crucial for managing the public health impact of HCV.
- Enhanced screening strategies are needed to address the significant burden of Hepatitis C in the US.
Abstract:
Hepatitis C, which is caused by the hepatitis C virus (HCV), is a major public health problem in the United States. HCV is most efficiently transmitted through large or repeated percutaneous exposures to blood. Most patients with acute HCV infection develop persistent infection, and 70 percent of patients develop chronic hepatitis. HCV-associated chronic liver disease results in 8,000 to 10,000 deaths per year, and the annual costs of acute and chronic hepatitis C exceed $600 million. An estimated 3.9 million Americans are currently infected with HCV, but most of these persons are asymptomatic and do not know they are infected. To identify them, primary health care professionals should obtain a history of high-risk practices associated with the transmission of HCV and other bloodborne pathogens from all patients. Routine testing is currently recommended only in patients who are most likely to be infected with HCV.