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Echocardiography in Pulmonary Arterial Hypertension*: An Essential Tool

Eduardo Bossone, MD, PhD, FCCP; Rodolfo Citro, MD; Francesco Blasi, MD; Luigi Allegra, MD, FCCP
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Affiliations: Salerno, Italy ,  Milan, Italy ,  Dr. Bossone is Professor at the Institute of Respiratory Disease, University of Milan, IRCCS Ospedale Maggiore, Fondazione Policlinico, Milan, Italy. Dr. Citro is Director of Echocardiography Laboratory, San Luca Hospital, Vallo della Lucania Salerno, Italy. Dr. Blasi is Professor of Respiratory Medicine, Univesity of Milan, IRCCS Ospedale Maggiore Fondazione Policlinico Milan Italy. Dr. Allegra is Professor of Respiratory Medicine, Univesity of Milan, IRCCS Ospedale Maggiore Fondazione Policlinico Milan Italy.

Correspondence to: Eduardo Bossone, MD, PhD, FCCP, Istituto Malattie Respiratorie, Università degli Studi di Milano, Padiglione Sacco, Ospedale Maggiore Milano, IRCCS Fondazione Policlinico-Mangiagalli-Regina Elena, via F. Sforza 35, 20122 Milan, Italy; e-mail: ebossone@hotmail.com



Chest. 2007;131(2):339-341. doi:10.1378/chest.06-2475
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Pulmonary arterial hypertension (PAH) [mean pulmonary artery pressure > 25 mm Hg at rest or > 30 mm Hg with exercise, pulmonary wedge pressure ≤ 15 mm Hg, and pulmonary vascular resistance > 3 mm Hg/L/min (Wood units)] is a heterogeneous condition brought on by a wide range of causes characterized by structural changes in small pulmonary arteries that produce a progressive increase in pulmonary artery pressure and pulmonary vascular resistance, ultimately leading to right ventricular (RV) failure and death.12

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