Some people with pulmonary hypertension may need surgery. The three types of surgery currently used are: pulmonary endarterectomy – an operation to remove old blood clots from the pulmonary arteries in the lungs in people with chronic thromboembolic pulmonary hypertension.

In thoracic surgery, a pulmonary thromboendarterectomy (PTE), also referred to as pulmonary endarterectomy (PEA) is an operation that removes organized clotted blood (thrombus) from the pulmonary arteries, which supply blood to the lungs