[Allergic inflammatory diseases of the upper airways and their impact on asthma--following on from a case report]. / Doenças inflamatórias alérgicas das vias aéreas superiores e suas implicações na asma brônquica--A propósito de um caso clínico.

The authors present a case report of a patient referred to physician for "difficult-to-treat asthma". Clinical evaluation concluded that severe chronic inflammatory upper airway disease was an asthma worsening factor. Patient demonstrated improvement in asthma control, after surgery. In the context of the clinical study, the authors present a review of the most common allergic inflammatory diseases of the upper airways (allergic rhinitis, chronic sinusitis and nasal polyposis) and reflect on their impact on asthma.