
Keywords: IPAH، فشار خون بالا شریان ریوی ایدئوپاتیک; CCB, calcium channel blockers; CO, cardiac output; HF, heart failure; IPAH, idiopathic pulmonary arterial hypertension; i NO, inhaled nitric oxide; LSHD, left sided heart disease; LV, left ventricular; MRI, magnetic resonance imaging; NO, nitric oxide; PA