Elevated plasma eosinophil-derived neurotoxin is associated with echocardiographic pulmonary vascular involvement in stable COPD
Background Pulmonary vascular involvement is an important dimension of chronic obstructive pulmonary disease (COPD) heterogeneity, but its biological features may not be fully represented by airflow limitation, gas-transfer impairment, or resting hypoxemia. eosinophil-derived neurotoxin (EDN) is a circulating eosinophi...