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Nasal Hyperreactivity and its Effect on Early and Late Sequelae of Nasal Challenge with House-Dust Mite Extract

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For a study on the relationship between nasal hyperreactivity to histamine and the nasal response to allergen, 14 rhinitis patients allergic to house-dust mites were challenged with histamine and 5 days later with a house-dust mite (HDM) extract. According to symptom scores, after allergen challenge two groups of patients were distinguished, i.e., isolated early and dual responders. The nasal response to histamine was significantly correlated with the amount of secretion (r = 0.71; P = 0.0039) and the number of sneezes (r = 0.78; P = 0.0016) induced by the HDM extract during the early reaction. The amount of allergen-induced secretion could be predicted from the response to histamine, skin reactivity to allergen, and blood eosinophils (multiple r = 0.90; p < 0.0001). Late-phase symptoms appearing between 3.5 and 9.5 hour after allergen challenge could be predicted from histamine responsiveness and skin reactivity (multiple r = 0.67; p = 0.004).

Compared with early responders (LAR−) (n = 8), patients with early and late symptoms (LAR+) (n = 6) were characterized by a higher secretory responsiveness to histamine (p = 0.033), increased production of leukotrienes determined in nasal lavage fluid during the early response (p = 0.033), and elevated albumin levels occurring between 3.5 and 9.5 hours after challenge (p = 0.043). Late-phase symptoms were significantly correlated with albumin influx (r = 0.73; p = 0.001) and leukotrienes production (r = 0.60; p = 0.011) during the early reaction. In summary, nasal responsiveness to HDM extract was found to be closely associated with pre-existent nasal hyperreactivity. The degree of mediator involvement during the early reaction seems to be of importance for the development of late-phase symptoms.
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Document Type: Research Article

Publication date: 1993-07-01

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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