Journal
CIRCULATION JOURNAL
Volume 82, Issue 6, Pages 1623-+Publisher
JAPANESE CIRCULATION SOC
DOI: 10.1253/circj.CJ-17-1118
Keywords
Antiviral therapy; Heart failure; Hepatitis C virus; National Health Insurance Research Database; Pegylated interferon
Categories
Funding
- Chang Gung Medical Research Fund of Chang Gung Memorial Hospital, Chiayi, Taiwan [CMRPGME0011]
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Background: Although hepatitis C virus (HCV) is a known risk factor for cardiovascular disease, whether antiviral therapy (AVT) can reduce heart failure (HF) hospitalizations is unknown. Methods and Results: In this population-based cohort study, we used data from the Taiwan National Health Insurance Research Database to evaluate the effect of interferon-based therapy (IBT) on cardiovascular events in patients with chronic HCV infection. Clinical outcomes evaluated included HF hospitalizations; a composite of acute myocardial infarction, ischemic stroke, and peripheral artery disease; all-cause death; and cardiovascular death. Of 83,229 eligible patients with chronic HCV infection, we compared 16,284 patients who received IBT with untreated subjects after propensity score matching. Patients who received IBT were less likely to be hospitalized for HF compared with untreated subjects (incidence density. ID, 0.9 vs. 1.5 events per 10(3) person-years; hazard ratio. HR, 0.58; 95% confidence interval. CI, 0.42-0.79; P=0.001). Compared with untreated subjects, the treated group had significantly lower risk of composite vascular events (ID, 3.7 vs. 5.0 events per 10(3) person-years; P<0.001), all-cause death (ID, 5.6 vs. 17.2 events per 10(3) person-years; P<0.001), and cardiovascular death (ID, 0.2 vs. 0.6 events per 10(3) person-years; P=0.001). Conclusions: AVT for chronic HCV infection might offer protection against HF hospitalizations, critical vascular events, and cardiovascular death beyond known beneficial effects.
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