Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology · 2000
Exercise-induced laryngochalasia: an imitator of exercise-induced bronchospasm.
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Björnsdóttir U S, Gudmundsson K, Hjartarson H, Bröndbo K, Magnússon B, Juliusson S
Аннотация
BACKGROUND: Patients with exercise-induced laryngochalasia present with dyspnea and stridor during exercise. Symptoms are due to a subtotal occlusion of the larynx resulting from mucosal edema from the aryepiglottic folds being drawn into the endolarynx.
METHODS: We report on three patients with exercise-induced bronchospasm, refractory to standard therapy.
RESULTS: Spirometry with flow-volume loops revealed truncation of the inspiratory limb. Abnormal movement of the arytenoid region was visualized on laryngoscopy. A diagnosis of exercise-induced laryngochalasia was made.
CONCLUSIONS: Evaluation of laryngeal motion in patients with refractory exercise-induced bronchospasm is important. Surgical correction with laser laryngoplasty is effective in carefully selected cases.
METHODS: We report on three patients with exercise-induced bronchospasm, refractory to standard therapy.
RESULTS: Spirometry with flow-volume loops revealed truncation of the inspiratory limb. Abnormal movement of the arytenoid region was visualized on laryngoscopy. A diagnosis of exercise-induced laryngochalasia was made.
CONCLUSIONS: Evaluation of laryngeal motion in patients with refractory exercise-induced bronchospasm is important. Surgical correction with laser laryngoplasty is effective in carefully selected cases.