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Exercise-induced asthma and anaphylaxis

D O Hough1, K L Dec

  • 1Michigan State University Sports Medicine, East Lansing.

Sports Medicine (Auckland, N.Z.)
|September 1, 1994
PubMed
Summary
This summary is machine-generated.

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Exercise-induced asthma (EIA) is increasingly recognized, affecting many asthmatics and some non-asthmatics. Symptoms like fatigue and shortness of breath during exercise warrant medical attention for proper diagnosis and management.

Area of Science:

  • Pulmonology
  • Sports Medicine
  • Allergy and Immunology

Background:

  • Exercise-induced asthma (EIA), also known as exercise-induced bronchospasm, is increasingly diagnosed with greater physician awareness.
  • EIA affects a significant portion of asthmatic patients (75-95%) and a smaller percentage of non-asthmatics (3-11%), with higher prevalence in children with allergic rhinitis (40%).
  • Recognition of EIA in non-asthmatic individuals has grown since the 1984 Olympics, with athletes often misattributing symptoms to poor conditioning.

Purpose of the Study:

  • To highlight the increasing prevalence and recognition of exercise-induced asthma (EIA).
  • To describe the common presenting symptoms of EIA in athletes, including vague complaints and behavioral changes in younger children.
  • To discuss the potential pathophysiology and therapeutic approaches for EIA.

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Main Methods:

  • The abstract does not detail specific methods but reviews the clinical presentation, prevalence, and proposed pathophysiology of EIA.
  • It synthesizes information regarding symptom recognition in athletes and differentiates EIA from exercise-induced anaphylaxis.
  • The review touches upon the theoretical basis for current EIA treatment strategies.

Main Results:

  • EIA is a common condition, particularly in individuals with asthma.
  • Athletes may present with non-specific symptoms like fatigue or 'getting winded', potentially delaying diagnosis.
  • The leading theory for EIA pathophysiology involves heat and water loss triggering mediator release.

Conclusions:

  • Increased awareness has led to a rise in EIA diagnoses, impacting both asthmatic and non-asthmatic individuals, especially athletes.
  • Early recognition of EIA symptoms in athletes is crucial for timely intervention and management.
  • Understanding the pathophysiology guides the selection of appropriate treatments for EIA, addressing bronchial hyperreactivity.