What are the benefits of metoprolol in idiopathic dilated cardiomyopathy?
Metoprolol has been shown to have beneficial effects in idiopathic dilated cardiomyopathy. A 1993 Lancet study found that patients given metoprolol experienced improved cardiac function, symptoms, and quality of life when compared to those who received placebo. Additionally, metoprolol was found to reduce mortality and hospitalization rates in patients with idiopathic dilated cardiomyopathy.  