n International SportMed Journal - Exercise-induced laryngeal prolapse : review article




Exercise-induced laryngeal prolapse (EILP) is an important differential in the diagnosis of exercise-induced asthma (EIA). This phenomenon has been found in otherwise healthy athletes, where extreme exertion and inspiratory forces cause the aryepiglottic folds to billow into the endolarynx, resulting in subtotal glottic obstruction. Evidence of variable extra-thoracic obstruction is seen on flow-volume loop spirometry. On fibre-optic rhinolaryngoscopy during exercise, oedema with collapse and prolapse of the aryepiglottic folds is noted. These changes coincide with the onset of symptoms and resolve when the degree of exercise is decreased. Patients referred with resistant EIA should undergo specialized laryngeal examinations. EILP can be treated successfully with laser laryngoplasty.


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