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Exercise-induced bronchoconstriction: burden and prevalence
1Division of Allergy and Immunology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas 75390-8859, USA. dave.khan@utsouthwestern.edu
Allergy and Asthma Proceedings
|February 29, 2012
Summary
Exercise-induced bronchoconstriction (EIB) affects many asthma patients and athletes, impacting their quality of life. This condition does not require a prior asthma diagnosis and can hinder sports participation.
Area of Science:
- Pulmonology
- Sports Medicine
- Allergy & Immunology
Background:
- Exercise-induced bronchoconstriction (EIB) is prevalent in individuals with asthma and athletes.
- The term EIB is preferred over exercise-induced asthma, as asthma is not a prerequisite for EIB.
Purpose of the Study:
- To review the prevalence and quality of life (QoL) impact of EIB in asthma patients and athletes.
- To differentiate EIB from exercise-induced asthma.
Main Methods:
- Literature analysis review of selected studies on EIB.
- Examination of factors influencing EIB prevalence and its impact on QoL.
Main Results:
- EIB is common in asthma patients, with prevalence influenced by asthma severity, genetics, atopy, infections, and urbanization.
- EIB also occurs in athletes without asthma, with high rates in certain winter sports.
- Environmental factors like chlorine and particulate matter may contribute to EIB.
Conclusions:
- EIB is a significant condition affecting asthma patients and athletes, impairing QoL and sports participation.
- Understanding EIB's prevalence and triggers is crucial for managing its impact.
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