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What Is Asthma Chronic Obstructive Pulmonary Disease Overlap?
1University of Exeter Medical School, College of Medicine and Health, University of Exeter, Exeter EX1 2LU, UK.
Clinics in Chest Medicine
|August 18, 2020
Summary
The term asthma chronic obstructive pulmonary disease (COPD) overlap is not useful for diagnosis. It is better to diagnose asthma and COPD individually, even when symptoms overlap, and tailor treatments accordingly.
Area of Science:
- Pulmonology
- Respiratory Medicine
Background:
- Asthma and chronic obstructive pulmonary disease (COPD) are distinct respiratory conditions.
- The concept of asthma COPD overlap (ACO) has emerged to describe patients with features of both diseases.
Purpose of the Study:
- To analyze the utility of the term ACO.
- To compare clinical, pathophysiological, and therapeutic aspects of asthma and COPD.
Main Methods:
- Review of disease classification principles.
- Comparative analysis of asthma and COPD features.
Main Results:
- The term ACO is not clinically useful for disease classification.
- Individual diagnoses of asthma and COPD are essential, even with overlapping symptoms.
Conclusions:
- Separate diagnoses of asthma and COPD are recommended over the ACO concept.
- Treatment for patients with coexisting asthma and COPD should primarily follow asthma guidelines, with additional COPD-specific therapies as needed.
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