Clinical Research Directory

Inclusion Criteria: * Participant is willing and able to give informed consent for participation in the study. * Patients diagnosed as idiopathic pulmonary artery hypertension, hereditary pulmonary artery hypertension, hereditary hemorrhagic telangiectasia associated pulmonary artery hypertension, pulmonary veno-occlusive disease, pulmonary capillary hemangiomatosis associated pulmonary artery hypertension, cavernous transformation of portal vein associated pulmonary artery hypertension, special type of congenital heart disease associated pulmonary artery hypertension, chronic thromboembolism pulmonary hypertension. * All patients should have undergone right heart catheterization, diagnosed according to the guideline. Exclusion Criteria: The participant may not enter the study if ANY of the following apply: * Patients unwilling or unable to provide written consent for participation in the study. * Not suffering from the rare type of pulmonary artery hypertension; Inclusion criteria-Controls * Participant is willing and able to give informed consent for participation in the study. * Self-reported to be healthy