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Related Experiment Videos

Screening adolescent athletes for exercise-induced asthma

R A Feinstein1, J LaRussa, A Wang-Dohlman

  • 1Division of Adolescent Medicine, University of Alabama at Birmingham, USA.

Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine
|April 1, 1996
PubMed
Summary

A submaximal step-test effectively screens for exercise-induced asthma (EIA) in athletes. However, physical exams and self-reported history are insufficient for diagnosing EIA in young athletes.

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Area of Science:

  • Sports Medicine
  • Pulmonology
  • Pediatric Athletics

Background:

  • Exercise-induced asthma (EIA) is a common condition affecting athletes.
  • Accurate screening and diagnosis are crucial for managing EIA and ensuring athlete safety.

Purpose of the Study:

  • To pilot test a screening program for EIA using a submaximal step-test and pulmonary function tests (PFTs).
  • To evaluate the predictive value of physical examinations and self-reported history for identifying EIA in athletes.

Main Methods:

  • A convenience sample of 52 male adolescent football players underwent preparticipation examinations.
  • Screening included medical history, physical examination, pre- and post-exercise PFTs, and a submaximal step-test.
  • Major outcome measures were changes in forced expiration volume in 1s (FEV1) and peak expiratory flow rate (PEFR) after exercise.

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Main Results:

  • Seventeen of 48 athletes showed a ≥15% decrease in PEFR post-exercise.
  • Nine of 48 athletes exhibited a ≥15% decrease in FEV1 post-exercise.
  • A personal history of asthma was the only self-reported factor differentiating athletes with normal and abnormal PFTs.

Conclusions:

  • A submaximal step-test can identify athletes with abnormal PFTs indicative of EIA.
  • Standard preparticipation evaluations and self-reported histories lack sensitivity for detecting EIA.
  • This screening protocol shows promise for EIA diagnosis, pending further validation.