Observational study found lower mucus plug prevalence in cough-variant asthma, suggesting asthma's unique pathophysiology.
Mucus plugs are present in CVA patients, albeit at a lower prevalence than in classic asthma. Their severity correlates positively with WA% and small airway dysfunction, underscoring their potential role in CVA pathophysiology.
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Wang et al. (2025) studied this question.
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