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  • Title: Statin use and survival in patients with chronic heart failure--results from two observational studies with 5200 patients.
    Author: Anker SD, Clark AL, Winkler R, Zugck C, Cicoira M, Ponikowski P, Davos CH, Banasiak W, Zardini P, Haass M, Senges J, Coats AJ, Poole-Wilson PA, Pitt B.
    Journal: Int J Cardiol; 2006 Sep 20; 112(2):234-42. PubMed ID: 16846656.
    Abstract:
    BACKGROUND: There is minimal evidence that HMG-CoA reductase inhibitors (statins) are beneficial in patients with chronic heart failure (CHF). Treatment with statins may lead to a lower mortality in CHF, independent of cholesterol levels, CHF etiology and clinical status. METHODS: In a first study, we included 3132 patients with CHF from the ELITE 2 study in whom information on body mass index (BMI) and statin use at baseline were available. In a second study, we pooled the databases of 5 tertiary referral centers with 2068 CHF patients. In this cohort 705 patients were on a statin (34%), 585 of 1202 (49%) patients with ischemic etiology, and 120 of 866 (14%) patients with non-ischemic etiology (established by coronary angiography). FINDINGS: Patients in ELITE 2 who received statin therapy at baseline (n=397, 13%) had lower mortality (hazard ratio [HR] 0.61, 95% CI 0.45-0.83; p=0.0007). In univariate analysis, increasing age, NYHA class, creatinine, and decreasing BMI, LVEF, and cholesterol, as well as lack of beta-blocker treatment and ischemic etiology (all p<0.002) related to higher mortality. In multivariable analysis, statin therapy related to lower mortality independently of all these variables (adjusted HR 0.66, 95% CI 0.47-0.93; p=0.017). In the second study CHF patients on statins had lower mortality (adjusted HR 0.58, 95% CI 0.44-0.77; p=0.0001). Both in patients with ischemic (p<0.0001) and non-ischemic etiology (p=0.028) statin treatment related to better survival. INTERPRETATION: In chronic heart failure, treatment with statins is related to lower mortality, independent of cholesterol levels, disease etiology and clinical status.
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