Statins reduce mortality of patients with coronary artery disease (CAD). However, by protocol, trials have excluded patients with chronic heart failure. Since the prevalent etiology of heart failure is CAD, preventing CAD may prevent heart failure progression. Statins may have other beneficial effects besides cholesterol lowering, such as anti-inflammatory properties and improvement of endothelial function. On the contrary, high levels of cholesterol can be beneficial in heart failure patients on the basis of the ability of serum lipoproteins to modulate inflammatory response. Furthermore, statins affecting mitochondrial function can have a deleterious effect on skeletal or cardiac muscles. Despite all these conflicting data, there is no evidence from trials on the effects of statins in patients with heart failure. For this reason, the Gruppo Italiano per lo Studio della Sopravvivenza nell’Infarto Miocardico (GISSI) investigators planned a controlled trial testing the effect of statins in patients with heart failure of different etiology.
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