Improving survival rates of patients with idiopathic dilated cardiomyopathy in Tuscany over 3 decades: impact of evidence-based management.

Background: Contemporary therapeutic options have led to substantial improvement in survival of patients with heart failure. However, limited evidence is available specifically on idiopathic dilated cardiomyopathy. We thus examined changes in prognosis of a large idiopathic dilated cardiomyopathy cohort systematically followed during the past 30 years.