Pulmonary arterial hypertension (PAH) is a rare subgroup of pulmonary hypertension (PH). Claims and administrative databases can be particularly important for research in rare diseases; however, there is a lack of validated algorithms to identify PAH...
To the editor, Pulmonary hypertension (PH) is a common condition, present in up to 10% in individuals aged >65 years.1 Whitin this entity, pulmonary arterial hypertension (PAH; group I PH) and chronic thromboembolic pulmonary hypertension (CTEPH; group 4 PH)...
