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A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
Published on: June 4, 2017
Comparison of conventional and component-resolved diagnostics by two different methods
María Teresa Lizaso1, Blanca Esther García, Ana Isabel Tabar
1Allergy Department, Virgen del Camino Hospital, Pamplona, Spain.
Summary
Component-resolved diagnostics (CRD) significantly altered pollen allergy diagnoses in 30% of patients. This advanced allergy testing showed good agreement between two CRD methods, improving diagnostic accuracy.
Area of Science:
- Clinical immunology
- Allergology
- Diagnostic technologies
Background:
- Component-resolved diagnostics (CRD) is a novel approach in clinical allergology.
- CRD offers a more detailed understanding of allergic sensitization compared to traditional methods.
Purpose of the Study:
- To evaluate the impact of CRD on conventional diagnosis for pollen allergy.
- To compare the performance of two CRD methods: Advia-Centaur and Microarray-ISAC.
Main Methods:
- Serum samples from 120 pollen-allergic patients were analyzed.
- Specific IgE levels were measured using conventional methods (CAP System) and two CRD platforms.
Main Results:
- CRD altered the diagnosis in 30% of patients by identifying new sensitizations or ruling out irrelevant ones.
- Both CRD methods demonstrated good agreement and correlation for most allergens, though some differences in detection capabilities were noted.
- Advia-Centaur and Microarray-ISAC showed comparable results for most allergens, with minor discrepancies in detecting specific sensitivities.
Conclusions:
- CRD significantly modifies conventional diagnoses in a substantial portion of pollen-allergic patients.
- The evaluated CRD methods, Advia-Centaur and Microarray-ISAC, exhibit good agreement and correlation, supporting their utility in allergy diagnostics.
