Circulating eosinophil levels and lung function decline in stable chronic obstructive pulmonary disease: a retrospective longitudinal study.
Marcello FerrariMichela PizziniLucia CazzolettiValentina ErmonFrancesco SpeltaSergio De MarchiLuca Giuseppe Dalle CarbonareErnesto CrisafulliPublished in: Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia (2022)
In stable COPD patients, a higher level of blood eosinophils (albeit in the normal range) predicts a greater FEV1 decline, while ICS are associated with a slower progression of airflow obstruction.