Volume 55, Issue 6 pp. 511-513
RESEARCH LETTER

Asthma With Fixed Obstruction Displays a Similar Small Airway Dysfunction to That Observed in Asthma–COPD Overlap

Toshihiro Shirai

Corresponding Author

Toshihiro Shirai

Department of Respiratory Medicine, Shizuoka General Hospital, Shizuoka, Japan

Correspondence:

Toshihiro Shirai ([email protected])

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Keita Hirai

Keita Hirai

Department of Clinical Pharmacology and Therapeutics, Shinshu University Graduate School of Medicine, Matsumoto, Japan

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Yasuhiro Gon

Yasuhiro Gon

Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan

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First published: 23 February 2025

ABSTRACT

The clinical characteristics of asthma patients with fixed airflow obstruction were compared with those with asthma–COPD overlap. Asthma patients with fixed airflow obstruction had comparable small airway dysfunction to asthma–COPD overlap patients.

Data Availability Statement

Data sharing not applicable to this article as no datasets were generated or analysed during the current study.

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