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Airways hyperresponsiveness in high school athletes.

Edward T Mannix1, Melanie A Roberts, Heather J Dukes

  • 1Division of Pulmonary, Allergy, Critical Care and Occupational Medicine, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA. emannix@iupui.edu

The Journal of Asthma : Official Journal of the Association for the Care of Asthma
|September 14, 2004
PubMed
Summary

Airways hyperresponsiveness (AHR) affects 38% of high school athletes, with exercise duration potentially predicting AHR. Athletes diagnosed with AHR tend to participate in low-ventilation sports, highlighting a need for further research.

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Area of Science:

  • Sports Medicine
  • Pulmonary Medicine
  • Pediatric Sports Medicine

Background:

  • Adult athletes exhibit higher exercise-induced bronchoconstriction (EIB) and airways hyperresponsiveness (AHR) rates than the general population.
  • Data on EIB/AHR prevalence in adolescent athletes is limited, necessitating further investigation.

Purpose of the Study:

  • To determine the prevalence of AHR in high school athletes.
  • To investigate if demographic data can predict AHR.
  • To ascertain if athletes with AHR prefer low-ventilation sports.

Main Methods:

  • Airways hyperresponsiveness (AHR) was assessed in 79 high school athletes using eucapnic voluntary hyperpnea (EVH).
  • AHR was defined by a decline in FEV1, FEF25-75, or PEFR post-EVH.
  • Demographic data and sport ventilation levels were recorded.

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Main Results:

  • 38% of tested athletes (30 of 79) were found to have AHR.
  • Exercise duration showed a tendency towards predicting AHR.
  • 69% of athletes with AHR participated exclusively in low-ventilation sports.

Conclusions:

  • AHR prevalence is significant among high school athletes.
  • Demographic factors, particularly exercise duration, may indicate AHR risk.
  • AHR-positive athletes predominantly engage in low-ventilation sports, suggesting a potential link between AHR and sport type.