Lung Volume Dependence and Repeatability of Hyperpolarized¹²⁹Xe MRI Gas Uptake Metrics in Healthy Volunteers and Participants with COPD

Abstract

Dissolved-phase ¹²⁹Xe MRI-derived gas uptake metrics were repeatable but highly dependent on lung volume during measurement.<b>Keywords:</b> Blood-Air Barrier, MRI, Chronic Obstructive Pulmonary Disease, Pulmonary Gas Exchange, Xenon <i>Supplemental material is available for this article</i> © RSNA, 2023.