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Hepatitis C: a current perspective
1Department of Medicine, University of Sydney, Westmead Hospital, NSW.
Insights
Family physicians face challenges diagnosing and treating hepatitis C (HCV). Early screening for at-risk individuals and careful consideration of interferon treatment are recommended, alongside monitoring for liver cancer in cirrhotic patients.
Area of Science:
- Hepatology
- Family Medicine
- Infectious Diseases
Background:
- Hepatitis C virus (HCV) presents diagnostic and management dilemmas for family physicians.
- Current diagnostic approaches rely on risk factor assessment and liver function tests due to the absence of a gold standard.
- Understanding HCV transmission and treatment efficacy is crucial for clinical practice.
Purpose of the Study:
- To outline key challenges in managing hepatitis C for family physicians.
- To provide guidance on screening, diagnosis, and treatment decisions for HCV.
- To highlight considerations for long-term patient management and complication screening.
Main Methods:
- Review of current literature and clinical guidelines for hepatitis C management.
- Discussion of diagnostic dilemmas, including incidental positive anti-HCV tests.
- Analysis of factors influencing interferon treatment decisions and hepatocellular carcinoma screening.
Main Results:
- Patients with known risk factors (e.g., injecting drug use, blood transfusion) should be screened for anti-HCV.
- HCV transmission within families and sexually is rare, with high maternal viral load being a key factor in vertical transmission.
- Interferon treatment decisions necessitate evaluating disease natural history, treatment response rates, and adverse effects.
Conclusions:
- Family physicians require clear strategies for identifying and managing hepatitis C patients.
- Accurate diagnosis, risk-based screening, and informed treatment choices are essential.
- Screening for hepatocellular carcinoma in patients with cirrhosis is recommended to improve outcomes.
Abstract:
This article covers several dilemmas posed by hepatitis C for the family physician. It is proposed that patients with known risk factors, such as injecting drug use or blood transfusion, be treated for an anti HCV. The problems of counselling the patient with an incidental positive anti HCV test are discussed; at present, the history of risk factors and liver test results are the most important aspects as there is no gold standard for hepatitis C diagnosis. Family and sexual transmission of HCV are rare; only mothers with extremely high levels of HCV viraemia are likely to transmit HCV to their offspring. Decisions about interferon treatment for hepatitis C require consideration of the natural history of this disease, the chances of a long-term response to treatment, and the adverse affects of interferon. Screening for hepatocellular carcinoma is proposed for patients who already have cirrhosis.