Airway Overlap Syndromes with Asthma: Key Takeaways and Statistics

Current research on Lung Diseases and Conditions - Chronic Obstructive Pulmonary Disease has led to a better understanding of airway overlap syndromes with asthma. These syndromes involve multiple inflammatory airway diseases, including asthma, chronic obstructive pulmonary disease (COPD), bronchiectasis, and obstructive sleep apnea (OSA). The study highlights the importance of recognizing overlap syndromes in clinical practice, as they can significantly impact the diagnosis, therapeutic interventions, and long-term prognosis of affected patients.

Key Takeaways:

• Airway overlap syndromes involving asthma are especially frequent, including asthma-COPD overlap syndrome, asthma-OSA overlap syndrome, and asthma-bronchiectasis overlap syndrome.
• These syndromes often exhibit bidirectional relationships, where one disease can exacerbate symptoms of another, and vice versa.
• Asthma can aggravate COPD symptoms, worsen preexisting OSA through increased pharynx collapsability, or contribute to more frequent bronchiectasis exacerbations.
• The presence of COPD can hinder adequate asthma control, bronchiectasis may enhance the inflammatory burden and exacerbate asthma, and OSA can induce harmful nocturnal oxygen desaturations that impair asthma outcomes.
• An integrated, individualized approach that considers the coexistence of multiple airway diseases is essential for optimizing diagnosis, therapeutic interventions, and long-term prognosis in affected patients.

Statistics:

• 2 or more airway diseases can coexist simultaneously in a single patient.
• The prevalence of asthma-COPD overlap syndrome is significant, with bidirectional relationships that impact clinical management and prognosis.
• Inflammatory airway diseases, such as asthma, COPD, bronchiectasis, and OSA, are the most common conditions.
• The mutual prevalence of these disorders and their clinical management and prognosis are influenced by pathophysiologic links.

Sources:

• NewsRx. Findings from University Hospital Gregorio Maranon in Chronic Obstructive Pulmonary Disease Provides New Insights (Airway overlap syndromes with asthma). Respiratory Therapeutics Week. November 3, 2025; p 1368.
• Annals of Allergy Asthma & Immunology. Airway overlap syndromes with asthma. Elsevier Science Inc, Ste 800, 230 Park Ave, New York, NY 10169, USA.
• University Hospital Gregorio Maranon. Contact information: Daniel Lopez-Padilla, Respiratory Department, University Hospital Gregorio Maranon, Complutense University Madrid, Madrid, Spain.