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- Title
Component-Resolved Diagnosis in Allergic Rhinitis and Asthma.
- Authors
Eiringhaus, Kathrin; Renz, Harald; Matricardi, Paolo; Skevaki, Chrysanthi
- Abstract
Background: Allergic rhinitis and asthma are highly prevalent chronic inflammatory diseases leading to restrictions in the patient's quality of life and high costs for healthcare systems. Both diseases are associated with the presence of specific IgE (sIgE) against aeroallergens. This review aims to examine the importance of molecular allergy diagnostics in the assessment and management of these disorders. Content: The "U-shaped" approach, proposed by the European Academy of Allergy and Clinical Immunology, combines conventional allergy diagnostics with the benefits of component-resolved diagnosis (CRD) and offers important additional information regarding the patient's sensitization pattern, especially in complex clinical cases such as polysensitization or idiopathic reactions, thus avoiding overuse of in vitro and in vivo IgE diagnostics. CRD may help the clinician to identify the cause of an allergy and, in the case of complex polysensitization, uncover possible cross-reactivity. Polysensitization, especially to inhalant allergens, is associated with the clinical appearance of asthma and allergic rhinitis; important risk factors for the latter are the major allergens Fel d 1 and Can f 1. Importantly, information on molecular sensitization patterns significantly influences the choice of specific immunotherapy and reduces its overprescription. Conclusion: At present, allergy diagnostics largely rely on clinical history, physical examination, and in vivo IgE testing. However, in vitro diagnostics including CRD are currently finding their way into the clinical routine and can offer additional information on the patient's sensitization profile and treatment responsiveness.
- Subjects
ALLERGIC rhinitis; RESPIRATORY allergy diagnosis; ASTHMA diagnosis; QUALITY of life; IMMUNOGLOBULIN E; MOLECULAR diagnosis; IMMUNOTHERAPY
- Publication
Journal of Applied Laboratory Medicine, 2019, p883
- ISSN
2475-7241
- Publication type
Article
- DOI
10.1373/jalm.2018.026526