Study on the Treatment of Nonthrombotic Obstructive Pulmonary Hypertension

Exclusion Criteria

• •1. Currently in the active phase of infection, including but not limited to tuberculosis, Histoplasma capsulatum, and Aspergillus infections;
• •2. The underlying primary disease, such as sarcoidosis, Behcet's disease, or uncontrolled IgG4-related disease, is currently not well controlled.
• •3. Before treatment, a large amount of pleural effusion was still present.
• •4. Pulmonary function tests (PFT) showed FEV1 \<30% of the predicted value, FEV1/FVC \<30%, and DLCO \<30%.
• •5. There are contraindications to bronchoscopy or endovascular intervention.
• •6. Complicated by other end-stage organ dysfunction, such as Child-Pugh class C liver function or stage IV chronic renal failure.
• •7. Complicated by severe immunosuppression.