Patient Reported Outcomes in Pulmonary Arterial Hypertension

• Other: Interview
  
  Patients will be interviewed to provide descriptive information about their experience as a treated patient with pulmonary arterial hypertension. The interviews will be given one time for approximately 1 hour.
• Other: Questionnaire
  
  Patients will be asked to provide subjective ratings of their experience on a questionnaire developed from the responses from Phase I. The questionnaire will be given one time for approximately 1 hour.

• Phase I Patient Interviews
  
  Indepth interviews will be completed with approximately 15 patients.
  Intervention: Other: Interview
• Phase II Patient Questionnaire
  
  Patients will be asked to provide subjective ratings of their experience on a questionnaire developed from the responses from Phase I
  Intervention: Other: Questionnaire

Inclusion Criteria:

• Evidence of a personally signed and dated informed consent
• Subjects aged >=18 who have documented PAH
• Speak English
• Subjects who provide written informed consent to participate in the study before being screened for the study.

Exclusion Criteria:

• Patients with non-PAH Pulmonary Hypertension
• Physical inability to complete the interview process
• Subjects who are currently enrolled in an experimental drug study

• University of Chicago
• Mayo Clinic
• Vanderbilt University