Patient selection for BPA
| Indication | Feasibility | Justification |
| Inoperable CTEPH | Venous access to PAs | Volume of treatable disease likely to lead to significant haemodynamic benefit |
| Symptomatic on medical therapy or intolerant of PH-targeted therapy | Able to breath-hold | Treatable disease supplies viable lung—guided by CT and PFTs |
| Comorbidity not the dominant cause of symptoms | Balloon-treatable lesions identified by pulmonary angiogram/CT |
BPA, balloon pulmonary angioplasty; CTEPH, chronic thromboembolic pulmonary hypertension; PA, pulmonary artery; PFT, pulmonary function test; PH, pulmonary hypertension.