Hypertension Study of Ventavis® Inhalation Therapy in the Treatment of Patients With Pulmonary Arterial Hypertension (VENIS)

VENIS - Prospective Observational Study of Ventavis® Inhalation Therapy in the Treatment of Patients With Pulmonary Arterial Hypertension

The purpose of this study is to gain information on safety and efficacy from Korean patients who starting Ventavis treatment by observational method.

Inclusion Criteria:

• The treating physician has chosen Ventavis as a suitable treatment for the patient
• Patient with PH and classified as NYHA functional class III or IV and WHO group 1

Exclusion Criteria:

• Any condition that prevents participation in the study, including pregnancy and other contraindications for Ventavis treatment (as listed in the current Ventavis patient package insert).