Exercise Rehabilitation is Underutilized Among Veterans With Pulmonary Hypertension.

Pulmonary hypertension (PH) is being diagnosed with increasing frequency in modern cohorts. 1 Wijeratne DT Lajkosz K Brogly SB Lougheed MD Jiang L Housin A Barber D Johnson A Doliszny KM Archer SL. Increasing incidence and prevalence of World Health Organization Groups 1 to 4 pulmonary hypertension: a population-based cohort study in Ontario. Circ Cardiovasc Qual Outcomes. 2018; 11 (Canada.)e003973 Crossref PubMed Scopus (146) Google Scholar The clinical classification of PH consists of 5 groups based on the pathophysiological mechanisms, including (1) group 1, pulmonary arterial hypertension (PAH); (2) group 2, PH associated with left heart disease (i.e., heart failure); (3) group 3, PH associated with lung diseases or hypoxia (i.e., chronic obstructive pulmonary disease); (4) group 4, PH associated with pulmonary artery obstructions (i.e., chronic thromboembolic PH); and (5) group 5, PH with unclear or multifactorial mechanisms. 2 Simonneau G Montani D Celermajer DS Denton CP Gatzoulis MA Krowka M Williams PG Souza R. Haemodynamic definitions and updated clinical classification of pulmonary hypertension. Eur Respir J. 2019; 531801913 Crossref Scopus (2145) Google Scholar