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Severe Pulmonary Hypertension in COPD : Is It a Distinct Disease?

Emmanuel Weitzenblum, MD, FCCP; Ari Chaouat, MD
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Affiliations: Strasbourg, France
 ,  Dr. Weitzenblum is Professor of Medicine and Pulmonology, and Dr. Chaouat is “Practicien Hospitalier,” Hôpital de Hautepierre, Service de Pneumologie, Hôpitaux Universitaires de Strasbourg.

Correspondence to: Emmanuel Weitzenblum, MD, FCCP, Professor of Medicine and Pulmonology, Service de Pneumologie, Hôpital de Hautepierre, 67098 Strasbourg. France; e-mail: Emmanuel.weitzenblum@chru-strasbourg.fr



Chest. 2005;127(5):1480-1482. doi:10.1378/chest.127.5.1480
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Extract

Pulmonary hypertension (PH) is frequently observed in patients with advanced COPD as a consequence of chronic alveolar hypoxia.1 In patients with respiratory disease, PH is generally defined by a resting mean pulmonary artery pressure (PAP) measured in the recumbent position of > 20 mm Hg.23 This definition is slightly different from that of idiopathic pulmonary hypertension (resting PAP, > 25 mm Hg4), but the latter has been adopted for all forms of PH following the World Health Organization meetings held in Evian, France, in 1998 and in Venice, Italy, in 2003.5

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