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Published on: December 20, 2024
411
Association of Abnormal Body Weight and Allergic Rhinitis-A Systematic Review and Meta-Analysis
Brian Sheng Yep Yeo1, Elaine Jiaxin Guan1, Kaiwen Ng1
1Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
Summary
This meta-analysis found no significant association between abnormal body mass index (BMI) and allergic rhinitis (AR) in children or adults. Further research is needed to explore long-term relationships and intervention effects.
Area of Science:
- Allergy and Immunology
- Epidemiology
- Public Health
Background:
- Allergic rhinitis (AR) is a widespread nasal inflammation with a substantial global health burden.
- While links between body mass index (BMI) and other atopic conditions exist, the association with AR remains unclear.
Purpose of the Study:
- To investigate the relationship between non-normal BMI (overweight, obesity, underweight) and allergic rhinitis.
- To synthesize existing evidence through a systematic review and meta-analysis.
Main Methods:
- Systematic review and random-effects meta-analysis of observational studies.
- Searched multiple databases (PubMed, Embase, Cochrane, SCOPUS, CINAHL) up to January 2024.
- Assessed study bias using Newcastle-Ottawa scale and evidence certainty with GRADE framework.
Main Results:
- Included 32 studies with over 2 million participants.
- Pooled analyses showed no statistically significant increased odds of AR in obese or overweight children and adults.
- Longitudinal analyses also found no evidence linking overweight or underweight children to AR risk.
Conclusions:
- Current evidence suggests abnormal BMI is not significantly associated with allergic rhinitis.
- Highlights the need for prospective studies to examine the long-term BMI-AR relationship and the impact of weight management interventions.
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