The importance of deep phenotyping PH registries with a focus on the PVRI-GoDeep registry.

[No abstract. Showing first paragraph of article] Although pulmonary hypertension has long been recognised to complicate many common diseases, especially left-sided heart disease and lung disease, most basic, translational and clinical scientists together with the pharmaceutical industry have, to date, focused predominantly on pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension when developing effective treatments . Both entities are rare, leading to the erroneous belief that pulmonary hypertension in general is a rare condition, and not worthy of major global focus.