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Impact of hepatitis C sustained viral response on cardiovascular diseases: a meta-analysis
Kamolyut Lapumnuaypol1, Charat Thongprayoon2, Karn Wijarnpreecha3
1Department of Internal Medicine, Albert Einstein Medical Center , Philadelphia , PA , USA.
Insights
Achieving Sustained Virologic Response (SVR) after Hepatitis C virus (HCV) treatment significantly lowers the risk of cardiovascular disease (CVD). This finding highlights the cardiovascular benefits of successful HCV treatment.
Area of Science:
- Hepatology
- Cardiology
- Infectious Diseases
Background:
- Hepatitis C virus (HCV) infection is linked to increased cardiovascular disease (CVD) risks.
- The impact of HCV treatment on cardiovascular outcomes is not well-established.
Purpose of the Study:
- To systematically review and meta-analyze the effect of Sustained Virologic Response (SVR) on cardiovascular outcomes in patients with chronic HCV infection.
Main Methods:
- A systematic review of MEDLINE, EMBASE, and Cochrane databases was performed.
- Seven cohort studies comprising 53,841 patients were included.
- Random-effect meta-analysis was used to combine effect estimates.
Main Results:
- Patients achieving SVR showed a reduced risk of overall CVDs (Hazard Ratio: 0.76, 95% CI: 0.61-0.94).
- The average follow-up period was 5 years.
- No publication bias was detected using Egger's regression test.
Conclusions:
- Sustained Virologic Response following HCV treatment is associated with a significant reduction in overall cardiovascular disease risk.
- Successful HCV treatment offers cardiovascular protection.
Abstract:
Background: Hepatitis C virus-infected patients are found to have increased risks of cardiovascular disease (CVD)-related morbidity and mortality. However, the effect of treatment on cardiovascular risk remains unknown. We performed a systematic review and meta-analysis to assess the effect of Sustained Virologic Response (SVR) on cardiovascular outcome in chronic HCV-infected patients. Methods: A systematic review was conducted in MEDLINE, EMBASE, Cochrane databases from inception through November 2018 to identify studies that assessed the effect of SVR on CVDs. Effect estimates from the individual study were extracted and combined using random-effect, generic inverse variance method of DerSimonian and Laird. Results: Seven cohort studies with a total of 53,841 HCV-infected patients with average follow-up time of 5 years were enrolled. When compared with HCV-infected patients who do not achieve SVR, patients with SVR have a reduced risk of overall CVDs with the pooled hazard ratio of 0.76 (95% confidence interval 0.61-0.94). Egger's regression asymmetry test was performed and showed no publication bias. Conclusions: Our study demonstrates a significant association between SVR after HCV treatment and reduced risk of overall CVDs.
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