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A Retrospective Comparison of Aeroallergen Sensitization Among Different Allergic Diseases in Guangzhou, China
Chao Yang1, Qingxiang Zeng1, Gen Lu2
1Department of Otolaryngology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China.
Insights
Mites are the primary aeroallergen in pediatric respiratory and skin allergies. Differences in sensitization to dog dander, grass pollen, and fungi vary by age and season, informing targeted prevention strategies.
Area of Science:
- Pediatric Allergy and Immunology
- Environmental Allergens
- Immunoglobulin E (IgE) Research
Background:
- Limited comparative data exists on aeroallergen sensitization across diverse pediatric allergic diseases.
- Understanding aeroallergen profiles is crucial for managing allergic conditions in children.
- Previous research focused on specific diseases rather than cross-disease comparisons.
Purpose of the Study:
- To explore the nature and significance of aeroallergen sensitization in various pediatric allergic conditions.
- To compare aeroallergen sensitization patterns across different pediatric allergic diseases.
- To identify key aeroallergens contributing to allergic diseases in children.
Main Methods:
- Comparative analysis of aeroallergen sensitization in pediatric patients across Otolaryngology, Respiratory, and Dermatology departments.
- Utilized the ImmunoCAP 100 system to evaluate specific immunoglobulin E (IgE) responses to inhalant allergens.
- Data collected from January 2019 to December 2023.
Main Results:
- House dust mites are the predominant aeroallergen for respiratory and skin allergic diseases.
- Dog dander, grass pollen, and molds are more prevalent in pediatric skin allergies.
- Age-specific differences (1-6 vs. 7+ years) observed for dog dander, grass pollen, and fungi sensitization.
- Seasonal variations significantly impact sensitization rates for cockroaches, grass pollen, and molds.
Conclusions:
- Demonstrated distinct aeroallergen distribution and differences among common pediatric allergic diseases.
- Provides a theoretical foundation for targeted prevention of pediatric allergic diseases.
- Highlights the importance of considering specific aeroallergens in clinical management and avoidance strategies.
Abstract:
Objective: Numerous studies have reported on the types of aeroallergen sensitization in various pediatric allergic diseases, but limited data compared the types of aeroallergen sensitization across different pediatric allergic diseases. The aim of this study is to explore the nature and significance of aeroallergen sensitization in diverse pediatric allergic conditions. Methods: A comparative analysis was carried out on aeroallergen sensitization in children suffering from allergic diseases who visited the Otolaryngology, Respiratory, and Dermatology Departments between January 2019 and December 2023. The evaluation of the specific immunoglobulin E (IgE) response to various inhalant allergens was done using the ImmunoCAP 100 system. Results: Mites remain the main aeroallergen for skin and respiratory allergic diseases, especially respiratory diseases. Dog dander, grass pollen, and mold are more common in skin allergic diseases. The differences in dog dander and grass pollen among the three groups are more pronounced in children aged 1-6, while the differences in fungi are more pronounced in children aged 7 years and above. Seasonal changes have a greater impact on the sensitization rates of cockroaches, grass pollen, and molds. Conclusions: Our results demonstrate the distribution and differences of allergen types among common pediatric allergic diseases, providing a theoretical basis for preventing the development of different allergic diseases and avoiding aeroallergens.
