Cardiovascular outcomes in hepatitis C virus infected patients treated with direct acting antiviral therapy: a retrospective multi-institutional study
EUROPEAN HEART JOURNAL-CARDIOVASCULAR PHARMACOTHERAPY(2023)
Abstract
Background Chronic hepatitis C virus (HCV) infection is associated with increased cardiovascular risks. We aimed to investigate the impact of direct acting antiviral (DAA) on HCV-associated cardiovascular events. Methods In this retrospective cohort study, patients with the diagnosis of chronic HCV were retrieved from multi-institutional electronic medical records, where diagnosis of HCV was based on serum HCV antibody and HCV-RNA test. The patients eligible for analysis were then separated into patients with DAA treatment and patient without DAA treatment. Primary outcomes included acute coronary syndrome, heart failure (HF), venous thromboembolism (VTE), stroke, cardiovascular death, major adverse cardiovascular event (MACE), and all-cause mortality. Outcomes developed during follow-up were compared between DAA treatment and non-DAA treatment groups. Results There were 41 565 patients with chronic HCV infection identified. After exclusion criteria applied, 1984 patients in the DAA treatment group and 413 patients in the non-DAA treatment group were compared for outcomes using inverse probability of treatment weighting. Compared to patients in non-DAA treatment group, patients in DAA treatment group were associated with significantly decreased HF (hazard ratio [HR]: 0.65, 95% confidence interval [CI]: 0.44-0.97, P = 0.035), VTE (HR: 0.19, 95% CI: 0.07-0.49, P = 0.001), MACE (HR: 0.73, 95% CI 0.59-0.92, P = 0.007), and all-cause mortality (HR: 0.50, 95% CI: 0.38-0.67, P < 0.001) at 3-year follow-up. Conclusions Chronic HCV patients treated with DAA experienced lower rates of cardiovascular events and all-cause mortality than those without treatment. The reduction of VTE was the most significant impact of DAA treatment among the cardiovascular outcomes.
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Key words
antiviral therapy,cardiovascular outcomes,multi-institutional
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