Recommendations for pulmonary hypertension referral centres
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CTD: connective tissue disease; CTEPH: chronic thromboembolic pulmonary hypertension; DPAH: drug-induced pulmonary arterial hypertension; HPAH: heritable pulmonary arterial hypertension; IPAH: idiopathic pulmonary arterial hypertension; PAH: pulmonary arterial hypertension; PEA: pulmonary endarterectomy. aClass of recommendation. bLevel of evidence. cReference(s) supporting recommendations.