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Published on: June 4, 2017
Development of allergic sensitization and its relevance to paediatric asthma
1Department of Paediatrics, Imperial College London, London, UK.
Insights
This review explores distinct atopic phenotypes and their link to childhood asthma. Understanding these allergic sensitization patterns can improve asthma diagnosis and risk assessment in children.
Area of Science:
- Allergy and Immunology
- Pediatric Pulmonology
- Clinical Medicine
Background:
- Asthma and atopy are complex, heterogeneous disorders with various interconnected subgroups.
- Lack of standardized diagnostic markers complicates accurate diagnosis and classification.
- Recent phenotyping studies have advanced understanding but require further biological insights for therapeutic translation.
Purpose of the Study:
- To review current evidence on distinct atopic phenotypes.
- To examine the relationship between atopic phenotypes and childhood asthma.
- To discuss the integration of allergic sensitization tests into asthma diagnostic algorithms.
Main Methods:
- Literature review of recent evidence on atopic phenotypes and childhood asthma.
- Analysis of phenotypic classification and diagnostic criteria for atopy and asthma.
- Synthesis of findings from statistical phenotyping studies.
Main Results:
- Atopy and asthma present as diverse phenotypes with varying interconnections.
- Statistical phenotyping has improved understanding of these complex conditions.
- Disaggregating allergic sensitization patterns may aid in predicting disease progression.
Conclusions:
- Further research into biological mechanisms is crucial for translating phenotyping findings into effective therapies.
- Incorporating allergic sensitization tests into diagnostic algorithms can enhance asthma diagnosis and risk prediction.
- A clearer understanding of distinct atopic phenotypes is essential for personalized asthma management in children.
Purpose Of Review:
The purpose of this review is to summarize the recent evidence on the distinct atopic phenotypes and their relationship with childhood asthma. We start by considering definitions and phenotypic classification of atopy and then review evidence on its association with asthma in children.
Recent Findings:
It is now well recognized that both asthma and atopy are complex entities encompassing various different sub-groups that also differ in the way they interconnect. The lack of gold standards for diagnostic markers of atopy and asthma further adds to the existing complexity over diagnostic accuracy and definitions. Although recent statistical phenotyping studies contributed significantly to our understanding of these heterogeneous disorders, translating these findings into meaningful information and effective therapies requires further work on understanding underpinning biological mechanisms.
Summary:
The disaggregation of allergic sensitization may help predict how the allergic disease is likely to progress. One of the important questions is how best to incorporate tests for the assessment of allergic sensitization into diagnostic algorithms for asthma, both in terms of confirming asthma diagnosis, and the assessment of future risk.
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