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Related Experiment Videos

Pediatric exercise-induced laryngomalacia

J P Bent1, D A Miller, J W Kim

  • 1Department of Otolaryngology-Head and Neck Surgery (Division of Pediatric Otolaryngology, University of Iowa Hospitals and Clinics, Iowa City, USA.

The Annals of Otology, Rhinology, and Laryngology
|March 1, 1996
PubMed
Summary

Exercise-induced laryngomalacia (EIL) is an underdiagnosed condition causing airway obstruction in athletes. This study found that EIL can occur during strenuous activity and effectively treated with supraglottoplasty.

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Area of Science:

  • Pediatric Otolaryngology
  • Sports Medicine
  • Respiratory Physiology

Background:

  • Laryngomalacia commonly affects infants, causing stridor.
  • In athletes, laryngomalacia can be triggered by exercise, leading to inspiratory stridor and airway obstruction.
  • Symptoms may be misdiagnosed as asthma or poor fitness.

Purpose of the Study:

  • To review the prevalence, diagnosis, and treatment of exercise-induced laryngomalacia (EIL) in pediatric and young adult athletes.
  • To investigate the laryngeal dynamics during exercise in healthy volunteers.

Main Methods:

  • Fiberoptic laryngoscopy was used to record laryngeal dynamics during cycling exercise in 10 healthy volunteers.
  • Case reviews of two patients treated for EIL with CO2 laser microlaryngoscopy.

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Main Results:

  • All volunteers showed altered laryngeal dynamics during exercise.
  • One volunteer developed exercise-induced laryngomalacia, with obstruction at the aryepiglottic folds.
  • Two patients with EIL experienced significant benefit after supraglottoplasty.

Conclusions:

  • Exercise-induced laryngomalacia is likely underdiagnosed in active children and young adults.
  • The aryepiglottic fold is a critical point for exercise-induced obstruction.
  • Surgical intervention, such as supraglottoplasty, is an effective treatment for symptomatic EIL.