Pulmonary hypertension

Pulmonary hypertension, the occurrence of high blood pressure in the pulmonary arteries, is a disease that is difficult to diagnose and treat. It includes a variety of rare diseases and is called “cancer of the heart and lung vascular system.” Without treatment, the average life span of patients is only 2.8 years. Pulmonary hypertension is a “carcinoma in cardiovascular disease” with a very high incidence and fatality rate. The number of patients worldwide is close to 100 million, but until now, pulmonary hypertension is still one of the lesser-known malignant diseases. Previously, the existing treatments for patients with pulmonary hypertension mainly relied on targeted drugs and lung transplantation. According to statistics from the US-Canada team in the article Pulmonary hypertension: the unaddressed global health burden published in Lancet Respiratory Medicine in 2018, the cost of drug treatment for patients with pulmonary hypertension is approximately US$80,000 per year. For most patients, this is an impossible expense to bear. As for lung transplantation, due to the limited source of organs and the common complications of infection and rejection in postoperative patients, lung transplantation is extremely difficult, and it is necessary to take anti-rejection drugs for a long time after surgery. In addition, the high cost of surgery also discourages patients.

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