title: Vascular obstruction causes pulmonary hypertension in severe acute respiratory failure.
mesh_terms: D000208:Acute Disease; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D008833:Microcirculation / Q000503:physiopathology; D012131:Respiratory Insufficiency / Q000150:complications* / Q000503:physiopathology; D014652:Vascular Diseases / Q000150:complications*; D014655:Vascular Resistance