Diagnosis and treatment of the CTEPH population (%).

ERA: Endothelin receptors antagonists; PDE5i: phosphodiesterase-5 inhibitors; CCB: Calcium channel blockers. #Patients with PAH associated to connective tissue disease (n = 1), HIV infection (n = 2), Portal hypertension (n = 2) and Congenital heart disease after corrective cardiac surgery (n = 4).
§Patients diagnosed at the time of the present study.
**Due to distal lesions.
¶ Patients with persisting hemodynamic impairment at least 3 months after pulmonary endarterectomy (PEA).
Diagnosis and treatment of the CTEPH population (%).