[COPD exacerbation: towards a blood eosinophil-guided corticosteroid therapy?]

Area of Science:

• Pulmonology
• Biomarkers
• Clinical Medicine

Context:

• Chronic obstructive pulmonary disease (COPD) management.
• GOLD recommendations include blood eosinophil measurement.
• Need for targeted COPD exacerbation therapy.

Purpose:

• To evaluate the utility of blood eosinophil counts in managing COPD exacerbations.
• To identify COPD patients who benefit from inhaled corticosteroids.
• To optimize systemic corticosteroid use in COPD exacerbations.

Summary:

• Blood eosinophil measurement identifies COPD patients at high risk of exacerbation.
• This strategy guides initiation of inhaled corticosteroid maintenance therapy.
• Blood eosinophil counts help target systemic corticosteroids for exacerbations, improving risk/benefit ratio.

Impact:

• Improved identification of patients for inhaled corticosteroid therapy.
• More precise use of systemic corticosteroids in COPD exacerbations.
• Enhanced management strategies for COPD exacerbations based on eosinophil levels.