The Efficacy and Safety of Sildenafil in Patients With Pulmonary Arterial Hypertension Associated With the Different Types of Congenital Heart Disease

摘要

Background:The difference in underlying pathophysiology in different congenital heart disease (CHD) may have an influence on clinical outcome. It remains unclear whether the effect of sildenafil on pulmonary arterial hypertension (PAH) varies in different types of CHD.