HIV is Associated with Impaired Pulmonary Diffusing Capacity Independent of Emphysema.

BACKGROUND HIV is associated with accelerated decline in lung function and increased risk for Chronic Obstructive Pulmonary Disease (COPD). Recently there has been growing attention towards the impairment in the diffusing capacity of the lungs for carbon monoxide (DLCO), a marker of pulmonary gas exchange, observed among persons living with HIV. While increased emphysema can contribute to the DLCO impairment observed, other factors may drive...