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Release date：2023-03-13

Clinical and Molecular Allergy

[IF：1.409]

Sensitization profle inpatients with respiratory allergic diseases: diferences between conventional and molecular diagnosis (a cross‑sectional study)
DOI: org/10.1186/s12948-019-0112-4
Abstract:
Background: Component-resolved diagnosis (CRD) allows to identify single molecular allergen components, and constitutes a routine practice in many allergy units. However, skin prick test (SPT) remains the technique of choice in many otorhinolaryngology departments, thus increasing the risk of using inadequate immunotherapies in patients with respiratory allergies. This study aimed to compare sensitization profles determined by SPT and CRD in patients with respiratory allergy, and to explore the relationship between sensitization and type and severity of the respiratory disease.
Methods: Cross-sectional, multicenter study of patients admitted to the Otorhinolaryngology Department due to symptoms of respiratory allergy. Extracts from various house dust mites, pollens, and molds were tested by SPT, whereas IgE against the corresponding antigens were measured by CRD.
Results: The analysis included 101 patients. The sensitization profle obtained by SPT had low agreement with that of CRD, particularly to dust mite allergens (Dermatophagoides sp.) and pollens (Plantago lanceolata, Olea europaea, and Cupressus sempervirens). While SPT did not show any signifcant relationship between sensitization and type/severity of the respiratory disease, CRD allowed to associate Der p 1, Der f 1 and Lep d 2 sensitizations with asthma, and Der p 2, Der f 2 and Lep d 2 sensitizations with more severe symptoms of allergic rhinitis.
Conclusion: Compared with SPT, CRD enables to describe a more accurate sensitization profle and to identify associations between symptoms and specifc antigens. The routine use of CRD in an otorhinolaryngology setting may beneft the management of patients with respiratory allergy.
First Author:
Guillermo Til—Pérez
Corresponding author
Manuel David TomásBarberán
Correspondence:
Department of Otorhinolaryngology, Hospital Universitario Son Espases, Palma de Mallorca, Spain