Pulmonary Artery Denervation (PADN) is a percutaneous pulmonary artery Intervention technique that uses a specific PADN catheter to deliver radiofrequency energy to the sympathetic nerves In the outer membrane of the pulmonary artery, resulting In the disappearance of the myelin sheath of the nerves and the fusion of the axons, which inhibits sympathetic activity, increases cardiac output, reduces the pressure in the pulmonary artery, inhibits the pathologic remodeling of the pulmonary arteries, improves the patient's exercise endurance and cardiac function, and achieves long term benefits from a single minimally invasive procedure.