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Correlation between nasal eosinophils and nasal airflows in children with asthma and/or rhinitis monosensitised to house dust mites

, : Correlation between nasal eosinophils and nasal airflows in children with asthma and/or rhinitis monosensitised to house dust mites. Allergologia et Immunopathologia 42(1): 50-55

Allergic rhinitis and asthma due to mite sensitisation are diseases which are frequently associated and characterised by persistent inflammation. In the present study, we aimed to investigate the relationship between nasal airflows and nasal eosinophils in patients with asthma and/or rhinitis due to house dust mite sensitisation. Twenty-four children with both rhinitis and asthma (R+A), 13 children with rhinitis and no asthma (R) and 10 non-allergic healthy children were evaluated prospectively. The patients belonging to the first two groups had moderate severe grade of nasal obstruction. Total nasal symptom scores, peak nasal inspiratory flows (PNIFs) obtained by anterior rhinomanometry, skin prick tests, nasal eosinophils and FEV1 values were all assessed. Percentages of nasal eosinophils and PNIFs in patients with R+A and R (r =?0.415, p =0.04) were found to be statistically significant and to have an inverse correlation. Skin prick tests were also significantly correlated with nasal eosinophils and PNIFs (r =0.372, p =0.01 and r =?0.306, p =0.04, respectively). Both PNIFs and nasal eosinophils of patients with R+A were significantly correlated with FEV1 values (r =?0.641, p =0.001 and r =0.548, p =0.007, respectively). In this study, a close relationship was demonstrated between eosinophil infiltration and nasal airflows in children having asthma and/or rhinitis monosensitised to mites. Additionally, the significant association found between FEV1 values and nasal eosinophils or PNIFs supported the close link of upper and lower airways.


PMID: 23122003

DOI: 10.1016/j.aller.2012.07.001

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