Air quality and exercise-induced bronchoconstriction in elite athletes

Area of Science:

• Sports Medicine
• Environmental Health
• Pulmonology

Background:

• Athletes training in cold, dry air or polluted environments show higher rates of airway issues.
• Exposure to cold/dry air at high ventilation rates can damage airways.
• Pollutants from roadways, ice arenas, and pools pose risks for airway disorders.

Purpose of the Study:

• To discuss the impact of harsh environmental conditions on athletes' airways.
• To summarize potential mechanisms of airway damage in athletes.
• To review the prevalence of airway disorders in elite athletes.

Main Methods:

• Review of existing literature on environmental exposures and athlete respiratory health.
• Analysis of mechanisms linking environmental factors to airway pathology.
• Compilation of data on the prevalence of asthma and related conditions in athletes.

Main Results:

• Cold, dry air and high pollution are associated with increased airway hyperresponsiveness, remodeling, and asthma.
• Repeated exposure to cold/dry air during intense exercise can lead to airway damage.
• Specific training/competition venues (e.g., near roads, ice rinks, pools) increase pollutant exposure and risk.

Conclusions:

• Harsh environmental exposures are significant risk factors for acute and chronic airway disorders in elite athletes.
• Understanding these environmental impacts is crucial for athlete health management.
• Further research into protective strategies and treatment is warranted.