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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
[Meta-analysis of the morbidity of asthma in children with allergic rhinitis]
1Department of Otolaryngology-Head and Neck Surgery, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.
Insights
Allergic rhinitis (AR) and asthma frequently occur together in children. This meta-analysis found a high comorbidity rate, with asthma incidence in AR children being 35.01% in China and 31.59% globally.
Area of Science:
- Pediatrics
- Allergology
- Epidemiology
Background:
- Allergic rhinitis (AR) and asthma share common pathogenic mechanisms in children.
- Limited large-scale data exists on the comorbidity of AR and asthma in pediatric populations.
Purpose of the Study:
- To conduct a meta-analysis to determine the prevalence of asthma in children diagnosed with allergic rhinitis.
- To investigate the comorbidity rates of asthma among children with AR.
Main Methods:
- A comprehensive literature search was performed across multiple databases including PubMed, Science, Springer, Elsevier, Embase, BMJ Journals, Wanfang data, VIP, CBM, and CNKI.
- Fifteen cross-sectional studies were identified and included in the meta-analysis.
- Pooled prevalence estimates were calculated using R software (version 3.2.3).
Main Results:
- The meta-analysis included fifteen cross-sectional studies.
- The pooled incidence of asthma in children with AR was 35.01% (95% CI: 32.32%-37.70%) in China.
- The pooled incidence of asthma in children with AR was 31.59% (95% CI: 28.02%-35.16%) in international studies.
Conclusions:
- There is a high rate of comorbidity between allergic rhinitis and asthma in children.
- The incidence of asthma in children with AR is higher in China compared to international data.
Abstract:
Objective: Pathogenesis of allergic rhinitis(AR) is thought to be related with asthma in children. However, lager scaled reports concerned on the co-morbidity of this two diseases in children are rare. In this meta-analysis, we aim to clarify the morbidity of asthma in children with AR.Method:Pubmed, Science, Springer, Elsevier, Embase, BMJ Journals, Wanfang data, VIP, CBM and CNKI were searched for relevant studies.The prevalences of asthma in children with AR were retrieved from individual studies and the pooled estimates generated by R3.2.3.Result:Fifteen cross-sectional studies were included in the meta-analysis. The results showed that the incidences of asthma in AR children were 35.01%(95%CI32.32%-37.70%) in China and 31.59%(95%CI28.02%-35.16%) in foreign countries.Conclusion:Comorbidity of AR and asthma was high in children. The incidence of asthma is higher in children with AR in China than that in foreign countries.
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Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.

