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  • Title: Aeroallergen sensitisation patterns of children aged 5 years and younger with asthma and/or allergic rhinitis in Istanbul.
    Author: Can C, Altınel N, Hatipoglu S.
    Journal: Arch Pediatr; 2021 Jan; 28(1):7-11. PubMed ID: 33342684.
    Abstract:
    AIM OF THE STUDY: The purpose of the study was to determine the aeroallergen sensitisation patterns of children aged 5 years and younger with asthma (AS) and/or allergic rhinitis (AR) in Istanbul, Turkey. METHODS: This cross-sectional observational study was conducted between January and December 2018 in the outpatient clinic of a hospital department of pediatric allergy. Patients, who had regular outpatient controls, full clinical and laboratory records, positive skin prick test results, and were willing to participate in the study, were included. RESULTS: In total, 148 children aged 5 years or younger who had positive skin prick test results were included in the study. The male/female ratio and the mean age at onset of symptoms were 87/61 and 2.13±1.33 (0.4-4.5) years, respectively. Of the 148 patients, 63 (42.6%) had AS, 11 (7.4%) AR, and 74 (50.0%) had both AS and AR. The age of the patients, age at symptom onset, male/female ratio, number of allergen sensitivities, total IgE levels, total eosinophil levels, and skin prick test results for aeroallergens did not differ between the patients with AS, AR, and AS+AR. House dust mite (HDM) was the most common aeroallergen in patients, while the cockroach was the least common aeroallergen. The severity of asthma and control levels were not found to be associated with aeroallergen sensitisation in children. CONCLUSION: One out of every four atopic children aged 5 years or younger is sensitised to aeroallergens. The most common sensitisation is to house dust mites. Weed aeroallergen may be related to severity of asthma in children aged 5 years or younger in Istanbul. We speculate that HDM and weed allergens could be used in the diagnostic or treatment strategies for the management of asthmatic children aged 5 years or younger.
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