FIGURE 2.

Chronic thromboembolic pulmonary hypertension (CTEPH) treatment algorithm. MDT: multidisciplinary team; BPA: balloon pulmonary angioplasty; PH: pulmonary hypertension. ^#: CTEPH MDT requires pulmonary endartectomy surgeon, PH expert, BPA specialist and chest radiologist; ^¶: treatment of choice for technically operable disease; ⁺: riociguat therapy prior to BPA: mean pulmonary arterial pressure ≥40 mmHg or pulmonary vascular resistance >4 Wood Units; ^§: other PH medications approved in select regions; ^ƒ: structured follow-up; may include imaging and haemodynamic assessment.