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BackgroundPulmonary hypertension (PH) is an important complication in the natural history of chronic obstructive pulmonary disease (COPD) and is caused by the remodeling of pulmonary arteries impairing the distensibility and stiffness of the major pulmonary arteries.
ObjectivesTo evaluate the pulmonary artery distensibility by transthoracic echocardiography in patients with COPD.
MethodWe prospectively...
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