Ganesh Raghu, Steven D Nathan, Juergen Behr, Kevin K Brown, James J Egan, Steven M Kawut, Kevin R Flaherty, Fernando J Martinez, Athol U Wells, Lixin Shao, Huafeng Zhou, Noreen Henig, Javier Szwarcberg, Hunter Gillies, Alan B Montgomery, Thomas G O'Riordan
The clinical course of pulmonary hypertension (PH) in idiopathic pulmonary fibrosis (IPF) is not known except in advanced disease.488 subjects in a placebo-controlled study of ambrisentan in IPF with mild-moderate restriction in lung volume, underwent right heart catheterisation (RHC) at baseline and 117 subjects (24%) had repeated haemodynamic measurements at 48 weeks. The subjects were categorised into a) World Health Organization (WHO) Group 3 PH (PH associated with pulmonary disease), n=68 (14%); b) WHO Group 2 PH (PH associated with left-sided cardiac disease), n=25 (5%); c) no PH but elevated pulmonary artery wedge pressure (PAWP), n=21 (4%); and d) no PH but without elevation of PAWP, n=374 (77%)...
November 2015: European Respiratory Journal