Safety Surveillance of Targeted Drugs for Pulmonary Hypertension Using a Computerized Follow-up System: a Nationwide Cohort Study

Inclusion Criteria: * Age from 3 months to 85 years, no sex preference; * Right heart catheter meet the following conditions simultaneously: mPAP≥25mmHg, and PVR \> 3 Wood units(in children PVRi \> 3 WU x m2), and PAWP≤15 mmHg at rest; * Patients diagnosed with group 1,2,4,5 PH according to the WHO classification, detailed description is as follows: Pulmonary arterial hypertension, Lung disease / chronic hypoxia associated pulmonary hypertension, Pulmonary hypertension associated with pulmonary artery stenosis / obstruction and Pulmonary hypertension caused by other multiple factors * Take at least one pulmonary hypertension targeted drug or calcium antagonist; * Signed written informed consent. Exclusion Criteria: * Patients diagnosed with pulmonary hypertension related to left heart disease;