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Factors Associated with β-Blocker Initiation and Discontinuation in a Population-based Cohort of Seniors Newly Diagnosed with Heart Failure by Jean-Pierre Gregoire; Catherine Girouard; Paul Poirier; Jocelyne Moisan is a Medicine article available to read on EtoBox.

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## Purpose β-Blockers (bisoprolol, carvedilol, and metoprolol) are the cornerstone of heart failure (HF) management. The incidence rate of β-blocker initiation and discontinuation and their associated factors among seniors with a first HF diagnosis were assessed. ## Methods A population-based inception cohort study that included all individuals aged ≥65 years with a first HF diagnosis in Quebec was conducted. β-Blockers initiation among 91,131 patients who were not using β-blockers at the time of HF diagnosis and discontinuation among those who initiated a β-blocker after HF diagnosis were assessed. Stepwise Cox regression analyses were used to calculate hazard ratios (HR) and to identify factors associated with β-blocker initiation and discontinuation. ## Results After HF diagnosis, 32,989 (36.2%) individuals initiated a β-blocker. Of these, 15,408 (46.7%) discontinued their β-blocker during the follow-up. Individuals more likely to initiate a β-blocker were those diagnosed in a recent calendar year (2009: HR, 2.11; 95% confidence interval [CI], 2.00–2.23) and diagnosed by a cardiologist (HR, 1.38; 95% CI, 1.34–1.42). Individuals less likely to initiate were those aged ≥90 years (

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Author

Jean-Pierre Gregoire; Catherine Girouard; Paul Poirier; Jocelyne Moisan

Published

2016

Language

EN

Field

Medicine (Health Sciences)