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Statin therapy and clinical outcomes in heart failure: a propensity-matched analysis


Background — The influence of statin therapy in heart failure (HF) has been of considerable interest. The objective of this study was to determine if statins are associated with improved outcomes in patients discharged after hospitalization for HF.

Methods — Patients admitted to Ontario hospitals between 1999 and 2001 with HF were identified in the Enhanced Feedback For Effective Cardiac Treatment study. Propensity score methods were used to assess 5-year outcomes in the overall cohort as well as in 4 subgroups: those with coronary artery disease (CAD) or without (NoCAD), and those with preserved ejection fraction (HFPEF) or with reduced ejection fraction (HFREF). Of the 6451 HF patients, 1121 were discharged with a prescription for a statin.

Results — In propensity analysis stratified on matched pairs in a Cox proportional hazards model, statins were associated with improved mortality at 5 years overall (hazard ratio [HR] 0.85, P = .05) and in those with CAD (HR 0.79, P = .008). Similarly, statins were associated with lower risk of the combined end point in the CAD group (HR 0.85, P = .045).

Conclusions — Among patients with HF discharged from hospital, statin therapy was associated with improved outcomes, particularly in patients with CAD. Stratification by ejection fraction did not differentially impact the effect of statins in patients with HF.



Ouzounian M, Tu JV, Austin PC, Chong A, Liu PP, Lee DS. J Card Fail. 2009; 15(3):241-8. Epub 2008 Dec 24.

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