期刊
FRONTIERS IN ALLERGY
卷 2, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/falgy.2021.721851
关键词
allergic rhinitis; rhinitis; diagnosis; in vivo test; in vitro test; inflammatory mediator; rhinitis phenotypes; chronic rhinitis
类别
资金
- Institute of Health Carlos III (ISCIII) of the Ministry of Economy and Competitiveness [PI18/00288, PI20/01715]
- RETICS ARADyAL [RD16/0006/0001, JR19/00029, CM20/00160, F18/00133]
- Andalusian Regional Ministry of Health [PE-0039-2018]
- Nicolas Monardes Program [RC-0004-2021]
- European Regional Development Fund (ERDF)
Allergic mechanisms are the main cause of chronic rhinitis, but the identification of allergic triggers based solely on atopy tests can lead to misdiagnosis. Allergic phenotypes can exist in both atopic and non-atopic individuals, and may coexist in the same patient. The basophil activation test is a promising and patient-friendly technique for diagnosing local allergic rhinitis and dual allergic rhinitis.
Allergic mechanisms account for most cases of chronic rhinitis. This condition is associated with significant impairment of quality of life and high indirect costs. The identification of the allergic triggers of rhinitis has been historically based on the performance of atopy test [skin prick test (SPT) and serum allergen-specific (s)IgE]. Nevertheless, these tests only denote sensitization, and atopy and allergy represent two different phenomena. It is now clear that allergic phenotypes of rhinitis can exist in both atopic (allergic rhinitis, AR) and non-atopic (local allergic rhinitis, LAR) individuals. Moreover, both allergic phenotypes can coexist in the same rhinitis patient (dual allergic rhinitis, DAR). Therefore, a diagnostic approach merely based on atopy tests is associated with a significant rate of misdiagnosis. The confirmation of the allergic etiology of rhinitis requires the performance of in vivo test like the nasal allergen challenge (NAC). NAC is mandatory for the diagnosis of LAR and DAR, and helps decide the best management approach in difficult cases of AR. Nevertheless, NAC is a laborious technique requiring human and technical resources. The basophil activation test (BAT) is a patient-friendly technique that has shown promising results for LAR and DAR diagnosis. In this review, the diagnostic usefulness for chronic rhinitis of SPT, NAC, olfactory tests, serum sIgE, BAT and the quantification of inflammatory mediators in nasal samples will be discussed. The accurate performance of an etiologic diagnosis of rhinitis patients will favor the prescription of specific therapies with disease-modifying potential like allergen immunotherapy.
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