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Atherosclerosis as Extrahepatic Manifestation of Chronic Infection with Hepatitis C Virus
Theodoros Voulgaris1, Vassilios A Sevastianos1
14th Department of Internal Medicine, "Evangelismos" General Hospital, 45-47 Ipsilantou Street, 106 76 Athens, Greece.
Insights
Successful hepatitis C treatment (HCV) can lead to liver disease resolution. However, cardiovascular risks persist, impacting long-term health and quality of life even after viral eradication.
Area of Science:
- Hepatology
- Cardiology
- Virology
Background:
- Chronic hepatitis C virus (HCV) infection progresses to cirrhosis and hepatocellular carcinoma (HCC), causing significant morbidity and mortality.
- Sustained virologic response (SVR) after HCV therapy resolves liver disease in non-cirrhotic patients.
- Cirrhotic patients remain at risk for complications and mortality, including HCC, despite viral clearance.
Purpose of the Study:
- To investigate the cardiovascular risk associated with chronic hepatitis C virus infection.
- To assess the impact of direct-acting antiviral therapy on cardiovascular risk in HCV patients.
- To understand the long-term health implications and quality of life post-HCV eradication.
Main Methods:
- Review of studies linking HCV infection to atherogenic processes.
- Analysis of data on cardiovascular outcomes in treated and untreated HCV patients.
- Evaluation of emerging cardiovascular risks following direct-acting antiviral therapy.
Main Results:
- HCV is a strong, independent risk factor for coronary heart disease, stroke, and cardiovascular disease (CVD) mortality.
- Direct-acting antiviral therapies have significantly increased SVR rates for HCV.
- Cardiovascular risk is a major concern post-HCV eradication, affecting life expectancy and quality of life.
Conclusions:
- While HCV treatment improves liver outcomes, cardiovascular complications remain a significant concern.
- Eradication of HCV does not eliminate cardiovascular risk, necessitating ongoing management.
- Further research is needed to address the cardiovascular burden in patients successfully treated for HCV.
Abstract:
Chronic hepatitis C virus infection is associated with significant morbidity and mortality, as a result of progression towards advanced natural course stages including cirrhosis and hepatocellular carcinoma. On the other hand, the SVR following successful therapy is generally associated with resolution of liver disease in patients without cirrhosis. Patients with cirrhosis remain at risk of life-threatening complications despite the fact that hepatic fibrosis may regress and the risk of complications such as hepatic failure and portal hypertension is reduced. Furthermore, recent data suggest that the risk of HCC and all-cause mortality is significantly reduced, but not eliminated, in cirrhotic patients who clear HCV compared to untreated patients and nonsustained virological responders. Data derived from studies have demonstrated a strong link between HCV infection and the atherogenic process. Subsequently HCV seems to represent a strong, independent risk factor for coronary heart disease, carotid atherosclerosis, stroke, and, ultimately, CVD related mortality. The advent of new direct acting antiviral therapy has dramatically increased the sustained virological response rates of hepatitis C infection. In this scenario, the cardiovascular risk has emerged and represents a major concern after the eradication of the virus which may influence the life expectancy and the quality of patients' life.
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