VCH Clinical Title(s) Cardiologist Research Focus Blood, Heart and Circulation Diagnostic Imaging Degrees / Designations MD, FRCPC Contact Info nathan.brunner@vch.ca 604-822-1747 Research Studies Heart, LungsA Study to Find Out if Selexipag is Effective and Safe in Patients With Chronic Thromboembolic Pulmonary Hypertension When the Disease is Inoperable or Persistent/Recurrent After Surgery and/or International Treatment (SELECT)