Is blood eosinophilia a treatable trait in chronic obstructive airway diseases?
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By
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Giulio Massetti
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Manuel Martella
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Cristina Ruini
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Valentina Ruggieri
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Bianca Beghe
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June 1, 2026
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Objective:
To describe the role of eosinophilic inflammation in asthma and COPD.
Key Findings:
- Blood eosinophilia is a potential biomarker for type 2 inflammation in both asthma and COPD.
- A subset of COPD patients may exhibit eosinophilic inflammation.
- The case illustrates a shift in diagnosis from severe COPD to severe eosinophilic asthma based on eosinophilia and clinical history.
Interpretation:
Limitations:
- The study is based on a single clinical case, limiting generalizability.
- Further research is needed to establish blood eosinophilia as a definitive diagnostic and therapeutic target.
Conclusion:
The findings suggest that blood eosinophilia may be relevant in chronic obstructive airway diseases.
