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Obstructive Lung Diseases: Airways 3 |

Alveolar-Capillary Reserve During Exercise in Patients With COPD

Mehrdad Behnia, MD; Alberto Avolio, PhD; Bruce Johnson, PhD
Author and Funding Information

Macquarie University, Sydney, NSW, Australia


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;150(4_S):851A. doi:10.1016/j.chest.2016.08.951
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Extract

SESSION TITLE: Airways 3

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Wednesday, October 26, 2016 at 01:30 PM - 02:30 PM

PURPOSE: Factors limiting exercise capacity in patients with COPD are complex. With evidence for accelerated pulmonary vascular aging, destruction of the alveolar-capillary bed, heterogeneous hypoxic pulmonary vasoconstriction, the ability to functionally expand the alveolar-capillary bed during exercise may become limiting. The purpose of this study was to quantify alveolar-capillary recruitment during exercise and the relationship to exercise capacity in a cohort of COPD patients.

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