Pulmonary arterial hypertension associated with portal hypertension (PAH-PH) is a form of pulmonary arterial hypertension (PAH), characterized by an elevated pulmonary arterial resistance leading to right heart failure observed as a complication of portal hypertension. The disease is EFO_0009197 (Pulmonary arterial hypertension associated with portal hypertension). Also known as: PAH associated with portal hypertension, POPH, Portopulmonary hypertension, portal hypertension-associated PAH.