The Efficacy and Safety of Sildenafil Citrate Used in Combination With Intravenous Epoprostenol in PAH
The Efficacy and Safety of Sildenafil Citrate Used in Combination With Intravenous Epoprostenol in PAH
Determination of the effects of sildenafil citrate and epoprostenol when used in combination
 in patients with pulmonary arterial hypertension
Inclusion Criteria:

 -  Patients with pulmonary arterial hypertension caused by primary PAH, associated with
 connective tissue disease or following surgical repair of a congenital heart lesion

 Exclusion Criteria:

 -  PH other than PAH