Depressive symptoms in pulmonary arterial hypertension: prevalence and association with functional status.

Background: In patients with left-heart disease, depressive symptoms have a significant impact on functional status and quality of life. The prevalence of depressive symptoms, and their impact on patients with pulmonary arterial hypertension (PAH) is understudied.

Objective: The authors investigated the prevalence of depressive symptoms in PAH and their correlation with physical functioning.