Keywords: Hyperpolarized MR (Gas), Lung, ModellingHyperpolarized 129Xe ventilation and dissolved-phase MRI metrics were used to predict the carbon monoxide transfer factor (TLCO) in the lungs of patients with asthma and/or Chronic Obstructive Pulmonary Disease (COPD) using two linear regression models: (1) an existing analytical model based on physiology and (2) a machine learning model, which also included patient age and sex in the prediction. The machine learning model was further extended to create TLCO maps, providing a regional visualization of this gold standard measure of gas transfer.
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