Table. 22—

ESC/ERS guidelines: recommendations for supportive therapy

Statement	Class^#	Level^¶
Diuretic treatment is indicated in PAH patients with signs of RV failure and fluid retention	I	C
Continuous long-term O₂ therapy is indicated in PAH patients when arterial blood O₂ pressure is consistently <8 kPa (60 mmHg)⁺	I	C
Oral anticoagulant treatment should be considered in patients with IPAH, heritable PAH and PAH due to use of anorexigens	IIa	C
Oral anticoagulant treatment may be considered in patients with APAH	IIb	C
Digoxin may be considered in patients with PAH who develop atrial tachyarrhythmias to slow ventricular rate	IIb	C

PAH: pulmonary arterial hypertension; RV: right ventricular; IPAH: idiopathic PAH; APAH: associated PAH. ^#: class of recommendation; ^¶: level of evidence; ⁺: see also recommendations for PAH associated with congenital cardiac shunts (table 15⇑). Reproduced from 1 with permission from the publisher.