Prognostic impact of ß-blocker use in patients with stable coronary artery disease

Christophe Bauters1, Gilles Lemesle1, Thibaud Meurice2

  • 1Centre Hospitalier Régional et Universitaire de Lille, Lille, France Inserm U744, Institut Pasteur de Lille, Université Lille Nord de France, Lille, France Faculté de Médecine de Lille, Lille, France.

Insights

Beta-blocker use in stable coronary artery disease (CAD) patients was linked to reduced cardiovascular mortality. This observational study found a significantly lower risk of death from cardiovascular causes in patients taking beta-blockers.

Area of Science:

  • Cardiology
  • Pharmacology
  • Epidemiology

Background:

  • Stable coronary artery disease (CAD) is a significant cause of cardiovascular mortality.
  • Beta-blockers are commonly prescribed for CAD patients, but their impact on long-term mortality in stable disease requires further investigation.

Purpose of the Study:

  • To evaluate the association between beta-blocker use and cardiovascular mortality in a cohort of patients with stable coronary artery disease.
  • To determine if beta-blocker therapy influences long-term cardiovascular outcomes in this population.

Main Methods:

  • Prospective cohort study of 4184 outpatients with stable CAD.
  • Two propensity score analyses (cohort adjustment and matching) were used to control for confounding factors.
  • Cardiovascular mortality was assessed over a 2-year follow-up period.

Main Results:

  • Beta-blocker use was associated with younger age, hypertension, diabetes, and more severe CAD.
  • Propensity score adjustment showed a reduced hazard ratio (HR) for cardiovascular mortality (0.64; 0.42-0.98, p=0.04).
  • Propensity score matching (n=839 per group) revealed a significantly lower cardiovascular mortality rate in beta-blocker users (HR 0.43; 0.22-0.82, p=0.011).

Conclusions:

  • In patients with stable CAD, beta-blocker use is associated with a reduced risk of cardiovascular mortality.
  • These findings support the continued use of beta-blockers in managing stable coronary artery disease.
  • The observed benefit was consistent across various patient subgroups.
Abstract

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