Cardiovascular outcomes in hepatitis C virus infected patients treated with direct acting antiviral therapy: a

Victor Chien-Chia Wu1,2, Chien-Hao Huang2,3, Chun-Li Wang1,2

  • 1Division of Cardiology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan City 333423, Taiwan.

Insights

Direct acting antiviral (DAA) treatment significantly reduces cardiovascular events and mortality in chronic hepatitis C virus (HCV) patients. DAA therapy showed the most significant impact in reducing venous thromboembolism (VTE) among cardiovascular outcomes.

Area of Science:

  • Hepatology
  • Cardiology
  • Infectious Diseases

Background:

  • Chronic hepatitis C virus (HCV) infection is a known risk factor for cardiovascular diseases.
  • Understanding the impact of antiviral therapies on cardiovascular outcomes in HCV patients is crucial.

Purpose of the Study:

  • To investigate the effect of direct-acting antiviral (DAA) treatment on cardiovascular events in patients with chronic HCV infection.
  • To compare cardiovascular outcomes between HCV patients who received DAA treatment and those who did not.

Main Methods:

  • Retrospective cohort study utilizing multi-institutional electronic medical records.
  • Patients with chronic HCV were divided into DAA treatment and non-DAA treatment groups.
  • Primary outcomes included acute coronary syndrome, heart failure, venous thromboembolism, stroke, cardiovascular death, MACE, and all-cause mortality, analyzed using inverse probability of treatment weighting.

Main Results:

  • DAA treatment was associated with significantly decreased rates of heart failure (HR: 0.65), venous thromboembolism (HR: 0.19), major adverse cardiovascular events (HR: 0.73), and all-cause mortality (HR: 0.50) at 3-year follow-up.
  • The study included 1984 patients in the DAA group and 413 in the non-DAA group after exclusions.
  • The reduction in venous thromboembolism (VTE) was the most pronounced cardiovascular benefit observed with DAA treatment.

Conclusions:

  • Direct-acting antiviral (DAA) treatment in chronic HCV patients leads to lower incidence of cardiovascular events and all-cause mortality compared to untreated patients.
  • DAA therapy demonstrates a significant protective effect against major adverse cardiovascular events and mortality in the HCV population.
  • The most substantial benefit of DAA treatment among cardiovascular outcomes was the significant reduction in venous thromboembolism (VTE).
Abstract

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