In a cross-registry cohort of patients with left-ventricular ejection fractions between 30% and 35%, mortality was significantly lower in those who received a device than in those who did not. The findings were published in JAMA.
In a cross-registry cohort of patients with left-ventricular ejection fractions between 30% and 35%, mortality was significantly lower in those who received a device than in those who did not. The findings were published in JAMA.